Journal of Indian Society of Periodontology
Journal of Indian Society of Periodontology
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Year : 2009  |  Volume : 13  |  Issue : 3  |  Page : 126-132

Evaluation of two local drug delivery systems as adjuncts to mechanotherapy as compared to mechanotherapy alone in management of chronic periodontitis: A clinical, microbiological, and molecular study

1 Graded Specialist, 320 Field Hospital C/0 99 APO,India
2 Officer Commanding, Military Dental Centre, Barrackpore, WB
3 Classified Specialist (Microbiology), Base Hospital, Tezpur, Assam, India

Correspondence Address:
Sangeeta Singh
Graded Specialist, 320 Field Hospital C/O 99 APO, Pin - 903 320, India

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-124X.60224

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Background: Modern concepts of treating inflammatory periodontal disease aim at changes in the subgingival ecosystems within the periodontal pockets to alter the complex microbial community into a microbiota compatible with good periodontal health.Systemic antimicrobial therapy, although effective, involves a relatively high dose with repeated intakes over a prolonged period of time to achieve the required inhibitory concentrations in the sulcular fluid. The adjunctive use of local drug delivery may provide a beneficial response, especially in specific areas where conventional forms of therapy might fail. The aim of this study was to compare the efficacy of two local drug delivery systems, one containing metronidazole and the other containing tetracycline hydrochloride as adjuncts to mechanotherapy in the treatment of chronic periodontitis. Materials and Methods: There were three groups that were labeled as group A (Scaling + Tetracycline), group B (Scaling + Metronidazole), and group C (Scaling alone). A microbiological analysis was carried out to determine the efficacy of these systems in changing the pathogenic flora in deep pockets. In addition, a multiplex polymerase chain reaction was carried out to confirm the presence of Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis (Pg), and Tannerella forsythensis in the flora associated with chronic periodontitis. Results: There was clinical improvement in groups A and B, which correlated with an improvement in the microbiological parameters; these results were sustained for 90 days following therapy. In Group C, the flora showed a shift towards baseline at the end of 90 days. Conclusions: According to this study, both the local antibiotic therapies resulted in greater improvement in microbiological parameters when used as an adjunct to mechanotherapy as compared to mechanotherapy alone.

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