Root Coverage Using Acellular Dermal Matrix and Comparing a Coronally Positioned Tunnel With and Without Platelet-Rich Plasma: A Pilot Study in Humans

  • Shepherd N
  • Greenwell H
  • Hill M
 et al. 
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BACKGROUND: The primary aim of this randomized, controlled, blinded clinical pilot study was to compare the percentage of recession defect coverage obtained with a coronally positioned tunnel (CPT) plus an acellular dermal matrix allograft (ADM) to that of a CPT plus ADM and platelet-rich plasma (CPT/PRP) 4 months post-surgically.

METHODS: Eighteen patients with Miller Class I or II recession >or=3 mm at one site were treated and followed for 4 months. Nine patients received a CPT plus ADM and were considered the positive control group. The test group consisted of nine patients treated with a CPT plus ADM and PRP. Patients were randomly selected by a coin toss to receive the test or positive control treatment.

RESULTS: The mean recession at the initial examination for the CPT group was 3.6 +/- 1.0 mm, which was reduced to 1.0 +/- 1.0 mm at the 4-month examination for a gain of 2.6 +/- 1.5 mm or 70% defect coverage (P 0.05).

CONCLUSIONS: The CPT plus ADM and PRP produced defect coverage of 90%, whereas the CPT with ADM produced only 70% defect coverage. This difference was not statistically significant, but it may be clinically significant.

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  • Neal Shepherd

  • Henry Greenwell

  • Margaret Hill

  • Ricardo Vidal

  • James P. Scheetz

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