We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Time analysis of alveolar ridge preservation using a combination of mineralized bone-plug and dense-polytetrafluoroethylene membrane: A histomorphometric study.
- Authors
Wen, Shih‐Cheng; Barootchi, Shayan; Huang, Wen‐Xia; Wang, Hom‐Lay; Wen, Shih-Cheng; Huang, Wen-Xia; Wang, Hom-Lay
- Abstract
<bold>Background: </bold>The objective of this study was to histologically evaluate and compare vital bone formation, residual graft particles, and fraction of connective tissue (CT)/other tissues between three different time points at 2-month intervals after alveolar ridge preservation with a cancellous allograft and dense-polytetrafluoroethylene (d-PTFE) membrane.<bold>Methods: </bold>Ridge preservation with a cancellous allograft and d-PTFE membrane was performed at 49 extraction sockets (one per patient). Volunteers were assigned to implant placement at three different time points of 2, 4, and 6 months, at which time core biopsies were obtained. Histomorphometric analysis was performed to determine the percentages of vital bone, residual graft particles, and connective tissue/other non-bone components, and subjected to statistical analyses.<bold>Results: </bold>There was a statistically significant difference in the amount of vital bone at every time point from 28.31% to 40.87% to 64.11% (at 2-, 4-, and 6-month groups, respectively) (P < 0.05). The percentage of residual graft particles ranged from 44.57% to 36.16% to 14.86%, showing statistical significance from 4 to 6 months (21.29%, P < 0.001), and 2 to 6 months (29.71%, P < 0.001), while there were no significant differences for the amount of CT/other tissue among the different time points.<bold>Conclusions: </bold>This study provided the first histologic comparison of alveolar ridge preservation using a cancellous allograft and d-PTFE membrane at three different time points. Extraction sockets that healed for 6 months produced the highest amount of vital bone in combination with the least percentage of residual graft particles, while similar results were observed for the fraction of CT/other tissues between the three time points.
- Subjects
ALVEOLAR process; POLYTEF; HISTOMORPHOMETRY; HOMOGRAFTS; TOOTH socket; ALVEOLAR process surgery; COMPARATIVE studies; OPERATIVE dentistry; RESEARCH methodology; MEDICAL cooperation; ARTIFICIAL membranes; RESEARCH; DENTAL extraction; EVALUATION research
- Publication
Journal of Periodontology, 2020, Vol 91, Issue 2, p215
- ISSN
0022-3492
- Publication type
case study
- DOI
10.1002/JPER.19-0142