Section 72
Chapter 71,495

Conclusive support for mechanical nonsurgical pocket therapy in the treatment of periodontal disease. How effective is mechanical nonsurgical pocket therapy?

Matthews, D.

Evidence-Based Dentistry 6(3): 68-69


ISSN/ISBN: 1462-0049
PMID: 16184158
DOI: 10.1038/sj.ebd.6400338
Accession: 071494336

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Sources of studies were the Cochrane Oral Health Group List of Systematic Reviews in Dentistry, Database of Abstracts of Reviews of Effectiveness, Medline, Embase, and Scisearch. No date or language restriction was imposed. Reference lists of located reviews were checked for additional references. Twelve reviews addressing the question were included. A narrative appraisal of the reviews was conducted. A number of implications for clinical practice were identified. These are as follows:Initial therapy: In people who have periodontitis, mechanical nonsurgical pocket therapy reduces inflammation and pocket depth and increases clinical attachment level. The magnitude of pocket depth reduction correlates with greater pocket depth before treatment. Nonsurgical mechanical debridement may cause loss of attachment in shallow pockets (</=3 mm). There is no evidence of any difference in efficacy between machine-driven (ultrasonic and sonic) and hand instruments in single-rooted teeth. Machine-driven instruments may be faster than hand instruments. Adjunctive therapies have been developed and investigated but, to date, no therapy exists as a stand alone replacement for mechanical nonsurgical pocket therapy.Maintenance therapy: In periodontal maintenance patients, mechanical debridement reduces inflammation and disturbs the bacterial biofilm, which is thought critical to disease control including prevention of progression. The effect of mechanical nonsurgical pocket therapy on pocket depth reduction and clinical attachment gain in maintenance patients is unclear; maintenance or stability of pocket probing depth and clinical attachment level, however, has been demonstrated and meets the goal of maintenance therapy. There is not clear evidence to form recommendations over time taken, thoroughness and frequency of mechanical debridement for periodontal maintenance care. Existing evidence in the form of systematic reviews - the highest level of evidence for evaluating a therapy - provides conclusive support for the beneficial effect and efficacy of mechanical nonsurgical pocket therapy in the treatment of periodontal diseases.

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