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Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet]. York (UK): Centre for Reviews and Dissemination (UK); 1995-.

Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews.

Effectiveness of single- versus multiple-visit endodontic treatment of teeth with apical periodontitis: a systematic review and meta-analysis

Review published: 2005.

Bibliographic details: Sathorn C, Parashos P, Messer H H.  Effectiveness of single- versus multiple-visit endodontic treatment of teeth with apical periodontitis: a systematic review and meta-analysis. International Endodontic Journal 2005; 38(6): 347-355. [PubMed: 15910469]

Quality assessment

This review compared healing rates for single- versus multiple-visit root canal treatment for apical periodontitis. The authors concluded that there was a lack of evidence of a difference between single and multiple visits. This was generally a well-conducted review and the authors' conclusion is likely to be reliable. Full critical summary

Abstract

AIM: The clinical question this review aimed to answer is: does single-visit root canal treatment without calcium hydroxide dressing, compared to multiple-visit treatment with calcium hydroxide dressing for 1 week or more, result in a lower healing (success) rate (as measured by clinical and radiographic interpretation)?

METHODOLOGY: CENTRAL, MEDLINE, EMBASE and HEALTH STAR databases were used. Reference lists from identified articles were scanned. A forward search was undertaken on the authors of the identified articles. Papers that had cited these articles were also identified through Science Citation Index to identify potentially relevant subsequent primary research.

REVIEW METHODS: The included studies were randomized controlled clinical trials (RCTs) comparing healing rate of single- and multiple-visit root canal treatment in humans. The outcome measured was healing of radiographically detectable lesions. Data in those studies were independently extracted.

RESULTS: Only three RCTs were identified and included in the review, covering 146 cases. Sample size of all three studies was small; none demonstrated a statistically significant difference in healing rates. Risk differences of included studies were combined using the inverse variance-weighted method (RD(Pooled) = -6.3%; 95% CI: -20.3-7.8).

CONCLUSION: Based on the current best available evidence, single-visit root canal treatment appeared to be slightly more effective than multiple visit, i.e. 6.3% higher healing rate. However, the difference in healing rate between these two treatment regimens was not statistically significant (P = 0.3809).

CRD has determined that this article meets the DARE scientific quality criteria for a systematic review.

Copyright © 2012 University of York.

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