This investigation describes the long-term benefits of guided tissue regeneration with barrier membranes in a population of 175 patients with severe intrabony defects and treated in a periodontal private practice. These data describe the long-term outcomes of a patient cohort who had been attending a periodontal maintenance program with various levels of compliance. In the analyses...

Patient Characteristics The experimental population consisted of 175 patients with one GTR treated defect included. Average age was 44.5 ± 10.2 (range 18 to 76 years), 43% were males, and 32% were current smokers. Before GTR surgery, the baseline full-mouth plaque and bleeding scores (FMPS, FMBS) were 13.9% ± 6.5% and 10.5% ± 3.7%, respectively; 1 year later they were 9.6% ± 3.7% (FMPS range ...

Study Population and Design One-hundred seventy-five patients included in the authors’ database of GTR treated sites from previously published investigations were selected to participate in this study by identifying cases presenting for periodontal maintenance over a 4-month period between February and May 2002. All subjects had previously received comprehensive periodontal treatment including ...

Background: The longevity of the clinical benefits of guided tissue regeneration (GTR) has not been fully explored. The aim of this investigation was to assess the long-term survival of GTR treated sites in terms of clinical attachment level (CAL) stability and tooth loss. Methods: A total of 175 patients with one deep intrabony defect were selected for a retrospective investigation of tooth rete...