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Randomized clinical trial of ridge preservation using porcine bone/cross-linked collagen vs. bovine bone/non-cross-linked collagen: cone beam computed tomographic analysis

Authors
 Hyun‐Chang Lim  ;  Ui‐Won Jung  ;  Hoon You  ;  Jung‐Seok Lee 
Citation
 Clinical Oral Implants Research, Vol.28(12) : 1492-1500, 2017 
Journal Title
 Clinical Oral Implants Research 
ISSN
 0905-7161 
Issue Date
2017
Keywords
bone substitutes ; collagen ; cone beam computed tomography ; randomized controlled trial ; tooth extraction
Abstract
PURPOSE: The aim of this study was to radiographically compare horizontal and vertical alterations of the alveolar ridge after ridge preservation using different combinations of biomaterials. MATERIALS AND METHODS: The patients were randomly assigned into two groups: (a) the test group, which received collagenated porcine bone plus cross-linked collagen membrane (n = 15), and (b) the control group, which received collagenated bovine bone plus non-cross-linked collagen membrane (n = 15). Cone beam computed tomography (CBCT) was performed immediately after ridge preservation and 4 months thereafter to compare the horizontal and vertical alterations of the ridge. Intention-to-treat (ITT) and per protocol (PP) analyses were performed. RESULTS: In both analyses, there was no statistically significant difference in the horizontal alteration of the alveolar ridge between the test and control groups: -1.3 ± 0.6 (ITT)/1.2 ± 0.5 (PP) vs. -1.5 ± 0.9 mm at the 1-mm level; -1.2 ± 0.7 (ITT and PP) vs. -1.2 ± 0.7 mm at the 3-mm level; and -0.9 ± 0.7 (ITT)/ -0.9 ± 0.7 (PP) vs. -0.9 ± 0.9 mm at the 5-mm level, whereas the vertical height in the midfacial area was significantly reduced in the test group compared with the control group: --1.1 ± 2.8 (ITT)/1.5 ± 3.0 (PP) vs. -0.7 ± 1.8 mm. CONCLUSIONS: The horizontal ridge alteration in ridge preservation did not differ significantly between using the test the control groups, but the vertical ridge alteration was more pronounced when using the test group (KCT0001709).
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/161431
DOI
10.1111/clr.13017
Appears in Collections:
1. Journal Papers (연구논문) > 2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실)
Yonsei Authors
이중석(Lee, Jung Seok) ; 정의원(Jung, Ui Won)
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Full Text
https://onlinelibrary.wiley.com/doi/abs/10.1111/clr.13017
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