Background: The aim of the study was to clinically evaluate the effect of miswak as an adjunct to tooth brushing on plaque levels and gingival health in subjects diagnosed with mild to moderate chronic generalized marginal gingivitis in comparison with those of toothbrush users. Materials and Methods: The study comprised of 30 systemically healthy subjects, aged 18-35 years diagnosed with mild to moderate gingivitis. The study was designed as a randomized, single-blind, parallel-armed study. Subjects were randomly divided into three groups. Group A (toothbrush users), group B (toothbrush and miswak users), and group C (miswak users). Subjects were advised to use toothbrush, miswak, or both, three times daily depending on their respective allocations. Gingival index according to Loe and Silness, Plaque index, according to Turesky modified Quigley-Hein plaque index, and the digital photographs of the total labial surfaces of the teeth were taken for image analysis. Recording of data were done at baseline, 2 ^nd , 4 ^th , 6 ^th , and 8 ^th week time intervals. Obtained data were analyzed using repeated measure ANOVA and student t test (independent samples). Results: Group B showed statistically significant (P<0.0001) decrease in plaque score and gingival score compared to group A and group C, respectively, from 2 ^nd to 8 ^th week, whereas no statistical significant difference was found in plaque score, when group A was compared with group C (P>0.05) from 2 ^nd to 4 ^th week. Further at the 6 ^th and 8 ^th week, there was significant difference (P<0.05) in plaque score between group A and group C. The difference in gingival score was not significant (P<0.05), when group A was compared with group C on all the indicated time intervals. Conclusion: Results showed significant improvement in plaque score and gingival health when miswak was used as an adjunct to tooth brushing.

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Oral squamous cell carcinomas represent 3% of cancers in men and 2% of cancers in women. More than 90% of oral cancer occurs in people older than 45 years Lesions of gingiva account for approximately 10% of the oral squamous cell carcinomas and may present clinically as an area of ulceration, exophytic mass, or red/white speckled patches. The proximity to the underlying periosteum may invite early bone invasion. Carcinoma of gingiva constitutes an extremely important group of neoplasms as the lesion frequently mimics the reactive and inflammatory conditions affecting the periodontium, delaying the diagnosis and making the prognosis of the patient poorer. A rare case of gingival squamous cell carcinoma has been reported here, in a 40 Year old male patient. Careful recording of the case history and results of clinical examination, radiographic, and laboratory investigations, along with a critical review of similar conditions led to the diagnosis, and treatment was initiated.

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Objective: An inter-relationship between periodontal disease and systemic health has been suspected for centuries, but evidence to explain the connection has only been elucidated in the past few decades. Among the systemic diseases, end stage renal disease has been shown to affect not only the general health of the patient but also oral and periodontal health. This study was undertaken to gain an insight into whether duration of dialysis therapy influences the oral and periodontal health of these patients and also to see if these parameters reflect their biochemical values. Materials and Methods: The study was conducted on 75 patients undergoing dialysis and a control group of 25 subjects. The study group was divided into three subgroups depending upon the duration of dialysis. Oral hygiene and periodontal disease status were measured by Simplified Oral Hygiene Index by Greene and Vermillion and Periodontal Disease Index by Ram-fjord. Biochemical parameters measured were blood urea nitrogen and salivary urea levels. Comparison of these parameters was made between the study and control groups through analysis of variance (ANOVA) and student's t-test. Results: Prevalence of periodontal disease was evident in the dialysis group. Oral hygiene status was poor in comparison with the control group. Clinical and biochemical parameters showed statistically significant difference between the groups rather than within the groups. Conclusion: Oral and periodontal health appeared to be compromised. Their deteriorating general health is anticipated to cause negligence towards oral health care. This population needs comprehensive oral and periodontal care right from the diagnosis of chronic renal failure. There exists a need for communication between nephrologists and oral health care professionals. Longitudinal studies warranted in this regard.

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Background: Local delivery of antimicrobial has resulted in good clinical outcome along with scaling and root planing. The present study is carried out to evaluate and compare the efficacy of local delivery of 10% doxycycline hyclate in adjunct to scaling and root planing in the treatment of periodontitis. Materials and Methods: A randomized crossover split mouth design was performed, a total number of 130 sites from 4 patients, 63 sites from patients with aggressive periodontitis and 67 sites from chronic periodontitis patients were selected and divided into scaling and root planing (SRP) group, SRP and doxycycline group and doxycycline alone group. Clinical parameters viz. plaque index, modified gingival index, bleeding index, clinical attachment level (CAL), and sub gingival temperature were evaluated on day 0, 15 ^th , 45 ^th , and 90 ^th day. CAL recording was performed only on day 0 and 90 ^th day. Results: In 90 days study, all the three groups showed significant reduction in clinical parameters. But on comparison, SRP and doxycycline group showed better results than doxycycline alone group and SRP alone group. Conclusion: The results of this study demonstrated that doxycycline hyclate 10% gel (Atridox) is as effective as SRP in reducing the clinical signs of periodontitis.

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Plasma cell gingivitis is a rare condition characterized by diffuse and massive infiltration of plasma cells into the sub-epithelial connective tissue. Clinically, it appears as a diffuse reddening and edematous swelling of the gingiva with a sharp demarcation along the mucogingival border. Though considered as a hypersensitive reaction to an allergen, the etiology of this bizarre condition is still not properly understood. Here, we present an interesting case of plasma cell gingivitis associated with an enlarged and fissured upper lip, which is quite a rarity. The condition was diagnosed based on clinical and histopathologic findings and treated by gingivectomy. The associated cheilitis has dramatically reduced after treatment of the gingival lesion.

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Background: Chronic periodontitis is the inflammation within the supporting tissues of the teeth resulting in attachment loss and bone loss. There are certain environmental factors such as smoking that can modify the host response to plaque organisms; hence can account for the aggressive progression of the disease. Smokers show a decreased expression of clinical inflammation even in the presence of abundant plaque accumulation. Neutrophils are the predominant host defense cells which protect the periodontal tissues from plaque organisms, deficiencies of neutrophil function, such as chemotaxis and phagocytosis, often result in increased susceptibility to periodontitis. Smoking can induce alteration in the neutrophil function; therefore, it is of importance to know the changes caused by smoking on neutrophil chemotaxis. This study will provide an essential basis for evaluating the role of nicotine in pathogenesis of periodontal disease by assessing the neutrophil activity. Materials and Methods: A total of 60 smokers and 60 non smokers were examined for this study. Both the groups included 20 subjects with gingivitis, periodontitis, and healthy periodontium. The periodontal status of the study subjects were assessed by gingival index, Russels periodontal index, sulcus bleeding index, and clinical attachment level. The blood sample was taken from each individual for the chemotactic analysis using agarose method. Results: In this study, there was a significant decrease in the neutrophil chemotaxis in smokers with gingivitis, periodontitis, and healthy periodontium, compared to non smokers with similar findings. Conclusion: Delayed neutrophil chemotaxis was found in smokers compared to non smokers with same periodontal status.

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Osseous choristoma is a rare, benign lesion of the oral cavity occurring usually on the tongue. It appears as a tumorous mass of normal bony structure with mature cells in an ectopic position. Some lesions represent developmental malformations, whereas others may be reactive lesions, after trauma or chronic irritation. This is the first ever reported case of an osseous choristoma of the periodontium in the lingual aspect of posterior mandible.

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Background: Growth of scientific evidence suggests an exquisite association between oral infection and systemic diseases. Though etiologies of periodontitis and rheumatoid arthritis (RA) are separate, their underlying pathological processes are sufficient to warrant consideration of hypothesis that individuals at risk of developing RA may also be at the risk of developing periodontitis and vice versa. Materials and Methods: To test their relationship, a study was carried out on 80 individuals. Part A: Forty subjects having rheumatoid arthritis (RA group) were compared to 40 controls without arthritis (NRA group). Their periodontal indices rheumatoid arthritis clinical laboratory parameters were also correlated with periodontitis in group. Part B: Omplete periodontal treatment was done for 10 patients of group suffering from periodontitis. All parameters of periodontal indices were measured pre-operatively and weeks after completion of periodontal treatment. Results: (1) There was high prevalence of mild (12.5%) to moderate (75%) periodontitis in group. (2) Extent severity of periodontal disease rheumatoid arthritis were positively correlated. (3) Statistically significant differences were present in periodontal parameters of RA group compared to NRA group. (4) There was statistically, significant reduction in parameters postoperatively with concomitant decrease in periodontal parameters in RA group. Conclusion: Thus, an association exists between periodontal disease with an underlying dysregulation of the molecular pathways in the inflammatory response. Also, there are significant management implications in the future as new host modifying medications are developed.

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Background and Objectives: The purpose of the present study was to clinically and radiographically assess the soft and hard tissue changes around the immediately loaded single tooth implants bioactivated with platelet-rich plasma (PRP), placed in the mandibular posterior region. Materials and Methods: A total of 11 patients having single tooth edentulous space in the mandibular posterior region were selected. An endosseous implant was placed after clinical and radiographic examination in each selected site using single stage surgical approach. The patients were followed up at 3, 6, 9, and at 12 months of post implant insertion. The patients were subjected to recording of clinical parameters like modified plaque index, modified gingival index, probing depth, and clinical implant mobility scale. Radiographs made at different intervals were subjected to assessment of bone level mesial and distal to each implant using computer assisted image analysis. Results: Scores for clinical parameters were minimal and comparable. The probing depth around the implant was measured during the follow-up period and the changes observed were statistically non-significant. None of the implants were clinically mobile during the follow-up period. Radiographically, the peri-implant bone resorption both on mesial and distal sides was within normal limit after one year of immediate loading. Finally, the overall success rate for the immediately loaded bioactivated implant placed in the mandibular posterior region was recorded as 100%. Interpretation and Conclusion: The use of platelet-rich plasma may lead to improved early bone apposition around the implant; and thus, results in increased rate of osseointegration. Single stage implant procedure with the adjunctive use of PRP enhances the ability of peri-implant healing tissue to create favorable soft and hard tissue relationships. It also gives the added advantage of psychological boost for the patient by getting fixed replacement of tooth within a short time period.

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Background: The association between Gram negative enteric rods and Aggregatibacter actinomycetemcomitans in periodontal diseases has received little attention in the literature. The objective of this study was to explore the relationship between these organisms and clinical parameters of periodontal disease. Materials and Methods: Clinical parameters and occurrence of Gram-negative enteric rods and A. actinomycetemcomitans were examined in 76 patients with chronic periodontitis. Chi-square and Mann-Whitney tests were used to determine differences in clinical variables versus the presence or absence of both microorganisms. Correlation among both organisms and clinical data were determined using Spearman rank correlation coefficient. Results: Gram-negative enteric rods and A. actinomycetemcomitans were detected in 20 (26.3%) and 18 (23.7%) individuals, respectively. A total of 14 (18.4%) patients harbored both microorganisms studied. There were significantly positive correlations between enteric rods and presence of A. actinomycetemcomitans (r=0.652, P<0.0001). Both microorganisms were significant and positively correlated with probing depth (PD), clinical attachment level, and bleeding on probing (P<0.0001). The mean PD (mm) of the sampled sites was significantly deeper in patients with presence of A. actinomycetemcomitans and Gram-negative enteric rods. Conclusion: The results of the present study suggest a strong positive correlation between Gram-negative enteric rods and A. actinomycetemcomitans in the population studied. This finding must be taken into account when considering the best therapeutic approach, including the utilization of antimicrobials. The adverse clinical outcomes observed in presence of these microorganisms could have implications in the pathogenesis of periodontal disease and a possible impact on outcomes after treatment.

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Background: There is abundant literature delving into whether periodontal infection contributes to atherosclerosis. However, whether periodontitis is a definite risk factor for atherosclerosis still remains empirical, with no systematic reviews or longitudinal studies to confirm this hypothesis. The prevalence of periodontitis and coronary artery disease also varies among racial and ethnic groups based on various factors such as diet, lifestyle, and genetic predisposition. This study was designed in a south Indian population with the aim of assessing and correlating the lipid levels (a surrogate biomarker for coronary heart disease) in patients with periodontitis and health. Aims: (1) To assess the levels of total cholesterol, low density lipoproteins (LDL), high density lipoproteins (HDL), and triglycerides in periodontal disease, and health in a south Indian population. (2) To assess associations between elevated lipid profiles and periodontal disease. Materials and Methods: This case control study included 60 individuals. Blood sampling for lipid levels and periodontal examination were performed for each study group. Statistical Analysis: Appropriate statistical tools like Chi-square (P<0.05) and student's " t" test were used. The lipid levels were separately regressed using logistic regression to determine any association with periodontitis cases. Results: The differences between the mean lipid levels of cases and controls were not statistically significant (P>0.05) after eliminating confounding factors. Odds Ratio=(Total cholesterol (1.005), HDL (0.971), LDL (1.006), VLDL (0.997), CHO-HDL (1.358), TGL (1.007), LDL-HDL (1.180)). The odds ratio stated that there is no significant relation between the lipid levels and periodontal condition. The above findings confirm that there is still no concrete evidence which determines if periodontitis is an independent risk factor for atherosclerotic cardiovascular disease. Future periodontal interventional studies and assessment of genetic markers can ascertain the validity of this hypothesis. Conclusion: There is no association among periodontal disease and the levels of total cholesterol, LDL, HDL, and triglycerides.

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Distraction osteogenesis is a method of inducing new bone formation by applying mechanical strains on preexisting bone. The process of osteogenesis in the periodontal ligament during orthodontic tooth movement is similar to the osteogenesis in the midpalatal suture during rapid palatal expansion. A new concept of "distracting the periodontal ligament" is proposed to elicit rapid canine retraction in two weeks. At the time of first premolar extraction, the interseptal bone distal to the canine was undermined with a bone bur, grooving vertically inside the extraction socket along the buccal and lingual sides and extending obliquely toward the socket base. Then, a tooth-borne, custom-made, intraoral distraction device was placed to distract the canine distally into the extraction space. It was activated 0.5 mm/day, immediately after the extraction. Canine was distracted 6.5 mm into the extraction space within two weeks.

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Guided bone regeneration (GBR) in implant therapy is especially useful for implant placement with dehiscence defects or fenestration defects. In alveolar ridges with marked facial/buccal depressions or in knifeedge alveolar crests, the position and direction of fixture placement is restricted. Improvement of alveolar ridge morphology becomes possible with GBR. This article describes a case in which the fenestration defect around an implant was treated by the application of platelet rich fibrin, a second generation platelet concentrate along with bone graft, and guided tissue regeneration membrane.

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Background: The palatal masticatory mucosa is widely used as a donor material in periodontal plastic surgery. The thickness of graft tissue is an important factor for the graft survival. The purpose of this study was to determine the thickness of palatal mucosa by a bone sounding technique. The association of age and gender with the thickness of palatal mucosa was also examined. Materials and Methods: Twenty four healthy subjects had participated in the study. The younger age group of 16-30 years consisted of 12 subjects of 7 females and 5 males, and the older age group of 31-54 years consisted of 12 subjects, of 5 females and 7 males. A bone sounding method using a periodontal probe was done to assess the thickness of palatal mucosa at 15 measurement sites defined according to the gingival margin and palatal line. Mann-Whitney test was used to determine the difference in mucosal thickness between both the groups. Results: The younger age group had thinner mucosa ranged from 2 to 3.1 mm in thickness than the older age group which ranged from 3.2 to 3.7 mm. In the same age group, females had thinner mucosa than males in the same age group. The mean thickness of palatal masticatory mucosa ranged from 2.5 to 3.7 mm. Conclusion: The younger subjects had thinner mucosa than older subjects. The canine and premolar areas appeared to be the most appropriate donor site for grafting procedures.

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Background: C-reactive protein (CRP) is an acute phase reactant that is produced in response to diverse inflammatory stimuli, and is known predictor of cardiovascular disease risk. Aggressive and chronic periodontitis are two main forms of periodontal disease, which differ mainly in the method of disease progression. This study aims at determining and comparing the relative levels of serum CRP and alveolar bone loss in aggressive and chronic periodontitis patients. Materials and Methods: A total of 45 subjects, which were divided into 3 groups diagnosed as having generalized aggressive periodontitis (GAP), chronic generalized periodontitis (CGP) and non-periodontitis controls (NP), were selected for the study. Venous blood samples were collected for quantitative CRP analysis using Turbidimetric immunoassay. Alveolar bone loss (ABL) was measured at proximal sites of posterior teeth on a panoramic radiograph. The relationship between the mean ratio of ABL to root length and serum CRP levels was statistically analyzed using Student unpaired t-test, analysis of variance (ANOVA) and Pearson's correlation coefficient. Results: Mean CRP levels were significantly greater in both GAP (7.49±2.31 mg/l) and CGP (4.88±1.80 mg/l) groups as compared to NP (0.68±0.23 mg/l) with P value <0.0001. The mean value of ABL (%) was 31.58 in CGP group and 36.77 in the GAP group, the difference being statistically significant (P=0.0079). Correlation coefficient between CRP and ABL is 0.9310 in CGP, and 0.9252 in GAP, which indicates a positive correlation between both variables. Conclusion: Both forms of periodontitis are associated with increased systemic inflammatory response with aggressiveness of disease progression determining the degree of response.

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Treatment of periodontal disease involves complex mechanical, surgical, and medical modalities. Some of the treatment regimens are patient centered, some involve a great amount of technical expertise and competence from a practitioner, and often involve complex procedures like use of tissue-engineered products. In spite of several advances, treatment of periodontal disease depends on scaling and root planing and various surgical procedures as the mainstay, but results of treatment are not always predictable and are often frustrating. The ultimate aim of periodontal treatment is regeneration of periodontal tissues and more particularly lost alveolar bone support. The treatment options include a myriad of approaches and scientists and researchers have tried various tools and agents to improve alveolar bone status and improve periodontal health. These approaches vary from simple monotherapy with systemic antibiotic usage to exotic and novel procedures like shock wave therapy, photodynamic therapy and application.

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Paget's disease of bone is a common condition characterized by increased and disorganized bone turnover which can affect one or several bones throughout the skeleton. These abnormalities disrupt normal bone architecture and lead to various complications such as bone pain, osteoarthritis, pathological fracture, bone deformity, deafness, and nerve compression syndromes. Genetic factors and environmental factors like paramyxovirus infection have been implicated in etiology. This is a case report of a patient who presented with Paget's disease and the periodontal surgical management, after the pretreatment was employed with diagnostic procedures like computed tomography and serum alkaline phosphatase tests.

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Objective: Smoking is detrimental to gingival and periodontal health. It has been reported to produce changes in gingival crevicular fluid (GCF) flow, but the cumulative effects of smoking on GCF have not been studied till date. The present study was designed to discover and evaluate transitional dynamics, if any, in GCF flow just immediately before and after smoking. Materials and Methods: The study comprised age- and gender-matched 20 male subjects. Half of the study population was constituted by non-smokers who comprised the control group and the remaining half of the study population was chronic smokers constituting the test group. The GCF samples were collected using the micropipettes before smoking, immediately after, and 10 min after smoking for the test group and during similar timings for the control group. Results and Conclusion: The study reveals an overall low GCF volume in smokers than in non-smokers. More interestingly, a transitional decrease immediately after smoking is followed by a marked increase in GCF volume 10 min after smoking.

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Background and Objectives: Traditional methods of periodontal therapy produce results in healing of tissues by repair; however, what we require is regeneration of the lost tissues. The periodontal ligament (PDL) cells appear to be important in periodontal wound healing. Platelet derived growth factor (PDGF), a potent mitogen and useful mediator for wound healing, has been extensively studied in periodontal regeneration. This in vitro study was designed to evaluate the effect of PDGF-AB on human PDL fibroblasts (hPDLF) at 50, 100 and 150 ng/ml dosages at 24, 48 and 72 hours time duration. Materials and Methods: Tissue explants from three different patients were harvested from the roots of freshly extracted, uninfected and impacted third molars. The cells cultured from all samples were divided into 4 groups: Group-1 was the control group, and the experimental groups were designated as Group-2, Group-3 and Group-4, to test the effect of PDGF-AB at 50, 100 and 150 ng/ml by proliferation assay carried out at 24, 48 and 72 hours. Results: The results revealed maximum mitogenic response of PDL cells at 100 ng/ml and at 48 hours, suggesting that the mitogenic response of PDGF-AB is both, time and dose dependent. Conclusions: The results of this in vitro study suggest that PDGF has maximum mitogenic response on hPDLF at 48 hours and for 100 ng dose. However for clinical application, randomized controlled clinical trials are required to substantiate the results of this in vitro study.

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Background and Objectives: The assessment of clinical attachment level (CAL) represents the "gold standard" for diagnosing and monitoring periodontal disease. The aim of the present study was to evaluate the performance of the newly introduced cemento-enamel junction (CEJ) probe in detecting CAL, using CEJ as a fixed reference point, and to compare the CEJ probe with the Florida stent probe (FSP) as well as with a standard manual probe, University of North Carolina-15 (UNC-15). Materials and Methods: Three examiners recorded the probing attachment level in 384 sites in case group (chronic periodontitis), and in 176 sites, in control group (healthy periodontal status), using the three probes. Subjects included both the sexes and ranged from 35 to 45 years. The experimental design was structured to balance the intra- and inter-examiner consistency at the same site during the two visits. Results: CEJ probe showed higher intra-and inter-examiner consistency over both FSP and UNC-15 in both the case and control groups. Frequency distribution of differences of various magnitudes of repeated measurements ≤1 mm was in the higher range of 86.8% to 87.5% for CEJ probe. The FSP was more reproducible than UNC-15 in detecting relative attachment level (RAL). Interpretation and Conclusion: CEJ automated probe was found to have greatest potential for accuracy and consistency in detecting CAL than FSP and UNC-15. The automated probes appeared to be more reproducible than manual probes.

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In this present era, when a significant number of patients seeking orthodontic treatment are adults, importance of multidisciplinary treatment approach cannot be overemphasized. Higher susceptibility of plaque accumulation in patients undergoing orthodontic treatment makes involvement of periodontist almost unavoidable. Also, orthodontic treatment frequently results in undesirable periodontal changes which require immediate attention. More recently, orthodontics has been used as an adjunct to periodontics to increase connective tissue support and alveolar bone height. The purpose of this article is to review the adverse effects of orthodontic treatment on the periodontal tissues and to discuss the mutually beneficial relationship shared between the two specialties.

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Achondroplasia is a non-lethal form of chondrodysplasia. It is a disturbance of endochondral bone formation which results in characteristic dwarfism. It is transmitted as an autosomal dominant trait, with complete penetrance. De novo mutations cause up to 90% of cases. The mutation rate is estimated to be 0.000014 per gamete per generation. It is a rare disorder with a prevalence of 1:10,000 to 1:50,000 births worldwide. A young female patient suffering from achondroplasia reported with oral manifestations showing features of periodontitis, hypoplasia of the mid-face, deep periodontal pockets, and mobility of teeth. This case report highlights this rare anomaly and its oral manifestations.

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Osteomas are benign slow growing, osteogenic lesions which may arise from proliferation of either cancellous or compact bone. They are usually sessile tumours composed of dense sclerotic, well formed bone projecting out from the cortical surface, most often of the skull and facial bones. This paper reports a case of a peripheral osteoma in the hard palate of a 45-year-old man, which was treated by periodontal flap surgery with surgical excision of the bony lesion. Peripheral osteomas of jaw bone are uncommon and usually associated with Gardner's syndrome. Histological examination confirmed the clinical impression of a peripheral osteoma. Patient was reviewed after one year and was asymptomatic with no recurrence of the lesion.

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Desquamative gingival lesions are non-plaque induced inflammatory gingival lesions. It is a clinical description and not a diagnosis. These desquamative lesions represent oral manifestations of various dermatoses. Discoid lupus erythematosus is one of the rare dermatoses which show desquamative lesions as oral manifestations. This article presents a rare case report of discoid lupus erythematosus with oral lesions involving gingiva of a 66-year-old female patient.

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Background: To evaluate the efficacy of 15% ethylenediaminetetraacetic acid (EDTA)-S (EDTA with soft soap) preparation for the removal of smear layer at human root surfaces. Materials and Methods: Twenty teeth indicated for extraction due to periodontal disease were sectioned using high speed cylindrical bur under copious irrigation. The root surfaces were instrumented with Gracey 7-8 curette (Hu-Friedy), 12 times to induce an "experimental smear layer". Following root planning, the root surface was cut using diamond disc and separated from the crown. Samples were randomly distributed into five groups. One group was control, saline and test groups were EDTA 15% alone, by active and passive applications (groups 2 and 3), and EDTA 15%+soft soap, by active and passive applications (groups 4 and 5). Specimens were then subjected to scanning electron microscope study. Smear layer removal was evaluated according to Sampaio et al., index. Results: EDTA-S removed the smear layer better than plain EDTA and the control group, while active application of the root conditioning agent had significant difference than the passive application of the agent. Conclusion: EDTA-S has favorable benefits over EDTA alone, and active application is better in comparison with passive application of root conditioning agent. Clinical Relevance: Removal of smear layer has been considered as an important step in periodontal regenerative therapy. Scaling and root planning alone with saline irrigation does not remove the smear layer. EDTA is a commonly used root conditioning agent in periodontal therapy. The addition of a detergent to EDTA proved to remove smear layer more efficiently than EDTA alone.

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Background: The aim of this study was to compare root surface characteristic following root planing with various hand and power driven instruments. Materials and Methods: A total of 20 single rooted teeth were used in this study, of which two specimens were used as control (no instrumentation done) and remaining 18 specimens were equally divided into three groups. Specimens from each group were then subjected to root planing by one of the following instruments: (1) a Gracey curette (2) Ultrasonic tip and (3) a Rotary bur. In each case, the time required for scaling and root planing was measured. After treatment, the specimens were observed under scanning electron microscope and surface roughness was measured by using Roughness and loss of tooth substance index (RLTSI). Results: The mean RLTSI scores for Gracey curette, ultrasonic and rotary instrument group were 2.5, 2.0 and 0.667 respectively. The mean scores of time spent for scaling and root planing by Gracey curette, ultrasonic and rotary instrument group in seconds were 42.50, 35.83 and 54.50. Conclusion: All the three instruments namely Gracey curette, Ultrasonic tip and Rotary bur were effective in mechanical debridement of root surface. The results favoured the use of rotary instruments for root planing to achieve smooth clean root surface; however, the use of rotary instrument was more time consuming which might limit its use in clinical practice.

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We report an unusual case of recurrent periodontal abscess in a 31-year-old male electrician due to his habit of using his teeth as a tool for stripping electrical wires. The patient was not aware of the consequences of this habit. Clinically, there was presence of moderate depth of periodontal pocket around the tooth and, radiographically, there was a vertical defect mesial to the involved teeth. The patient was educated about the consequences of his habit and surgical treatment was undertaken. A papilla preservation flap with regenerative periodontal surgical procedure was done, orthodontic and restorative treatment was planned at the follow-up. This case highlights the importance of eliciting a proper and complete personal history, including occupational details. In our patient these details helped us correlate the destruction of the periodontium to the unusual etiology.

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Background: Aim of the study was to compare the response to non-surgical periodontal therapy between patients with and without type-2 diabetes from clinical and metabolic stand point. Materials and Methods: A comparative clinical study was performed between type 2 diabetics and non-diabetics with moderate generalized chronic periodontitis. The study period was six months. Conventional periodontal scaling and root planing were performed, and the response to this treatment was compared between the groups at three and six months, measuring the plaque index, bleeding index, gingival index, and probing depth. In diabetic patients, the clinical response was related to measurements of HbA1c and glucose in blood at three and six months. Statistical Analysis: Multi Variant Analysis of Variance was used to compare following variables between groups and function of time. Results: Improvement in all clinical variables was observed in both the groups. The improvement observed in blood HbA1c levels in diabetic group confirmed a positive metabolic response to non-surgical periodontal treatment. Conclusion: With this study, we conclude that there is a definite reduction in HbA1c level in diabetic patients after conventional non-surgical periodontal treatment.

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Background: Aggressive periodontitis (AgP) has been associated with polymorphonuclear leukocyte's (PMNL) dysfunction and periodontal pathogens possess variety of virulence factors that can impair PMNL's function. This study investigated the possible association between defective neutrophil adhesion and β₂ -integrin expression and defective neutrophil migration and actin polymerization level in the peripheral blood of neutrophils from the patients with AgP. Materials and Methods: A total of 30 individuals both male and female, age ranges between 13 - 48 years, were included in the study. Healthy controls (group I, n=10), chronic periodontitis (ChP) (group II, n=10), and AgP (group III, n=10), all without any systemic diseases and non-smokers, were recruited. Peripheral blood samples were taken and β₂ -integrin expression and actin polymerization levels were estimated by using fluorescence activated cell sorter analysis. Results: In AgP cases, both average values (β₂ -integrin and actin level) were significantly less than that of normal subjects (<0.001). But for ChP cases, only the average value of actin level is significantly lower than that of normal subjects (<0.025). Conclusion: Lower β₂ -integrin expression in the AgP cases signifies lower neutrophil adhesion in AgP cases than normal, and the lower average value of actin polymerization for the AgP cases suggest lower migration capacity of neutrophils in AgP cases than normal.

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