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Controlled Clinical Trial
. 2014 Feb;23(1):64-8.
doi: 10.1097/ID.0000000000000018.

Effect of chlorhexidine in preventing plaque biofilm on healing abutment: a crossover controlled study

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Controlled Clinical Trial

Effect of chlorhexidine in preventing plaque biofilm on healing abutment: a crossover controlled study

Eriberto Bressan et al. Implant Dent. 2014 Feb.

Abstract

Introduction: The study aimed at evaluating the effect of chlorhexidine (CHX) in preventing plaque biofilm (PB) formation on healing abutments (HAs) in patients rehabilitated with osseointegrated implants.

Materials and methods: Fifty HAs were placed in 34 voluntary patients 1 week after implant surgery (test group). After 7 days, a new set of 50 HAs was placed in the same implant sites and removed 1 week after (control group). During the 2 testing periods, patients were instructed to apply: CHX mouth rinsing twice daily and no brushing (test); no CHX mouth rinsing and no brushing (control). Scanning electron microscopy and image analysis were blindly used to objectively quantify PB amount on removed HAs.

Results: Median values and interquartile ranges of the percent ratio of titanium surface covered from PB were 0.9 (0.1-4.1) and 1.2 (0.1-11.6) for test and control groups, respectively (P = 0.0275).

Conclusions: CHX mouth rinsing significantly limited plaque formation on HAs, being a valid contribution to mechanical brushing in early phases of plaque control on dental implants.

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