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Is ridge preservation effective in the extraction sockets of periodontally compromised teeth? A randomized controlled trial

Authors
Ben Amara, HeithemKim, Jung-JuKim, Hae-YoungLee, JungwonSong, Hyun-YoungKoo, Ki-Tae
Issue Date
3월-2021
Publisher
WILEY
Keywords
compromised socket; periodontitis; ridge dimension; ridge preservation; tooth extraction
Citation
JOURNAL OF CLINICAL PERIODONTOLOGY, v.48, no.3, pp.464 - 477
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF CLINICAL PERIODONTOLOGY
Volume
48
Number
3
Start Page
464
End Page
477
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/137752
DOI
10.1111/jcpe.13412
ISSN
0303-6979
Abstract
Objective: To verify whether ridge preservation is effective in the reduction of dimensional loss and in bone formation compared to spontaneous healing in extraction sockets of periodontally compromised teeth. Methods: Twenty-six subjects requiring tooth extraction for stage III/IV periodontitis were randomly assigned to one of two interventions: alveolar ridge preservation using collagenated bovine bone mineral and a resorbable collagen membrane (test, RP) or spontaneous healing (control, SH). Six months later, postoperative cone-beam computed tomography (CBCT) was performed to measure the linear and volumetric changes of the sockets compared to baseline scans. Biopsies were retrieved at the implant site for histomorphometric calculations. Nonparametric tests were applied for statistical analysis. Results; Significantly less shrinkage occurred in RP compared to SH, mainly in the crestal zone. The width loss difference between groups was 3.3 mm and 2.2 mm at 1 mm and 3 mm below the crest, respectively (p < .05). RP yielded a gain in socket height of 0.25 mm, whereas a loss of -0.39 mm was observed in SH (p < .05). The percentage of volume loss recorded in RP was also less than that recorded in SH (-26.53% vs -50.34, p < .05). Significantly less bone proportion was detected in biopsies from RP (30.1%) compared with SH (53.9%). A positive association between baseline bone loss and ridge shrinkage was found in SH but not in RP. Conclusion: Ridge preservation in extraction sockets of periodontally compromised teeth was effective in reducing the amount of ridge resorption.
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보건과학대학 (보건정책관리학부)
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