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Int J Periodontics Restorative Dent. 2018 Nov/Dec;38(6):811-816. doi: 10.11607/prd.3538.

A Case Series of Vertical Ridge Augmentation Using a Nonresorbable Membrane: A Multicenter Study.


Vertical ridge augmentation (VRA) using titanium-reinforced dense polytetrafluorethylene (d-PTFE) membranes has been associated with promising clinical outcomes. This retrospective multicenter case series was prepared for the purpose of identifying the elements that contribute to the predictability of this surgical technique. VRA procedures were carried out in 35 patients (13 male and 22 female) with an age range of 43 to 76 years. The average bone gain was 5.44 mm. In the Kaplan-Meier estimates of cumulative survival calculated at 15 months, membrane exposure (P = .045) was a predictor for VRA.


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