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Volume Stability of the Augmented Sinus Using a Collagenated Bovine Bone Mineral Grafted in Case of a Perforated Schneiderian Membrane: An Experimental Study in Rabbits

Authors
 Jeong-Won Paik  ;  Jae-Kook Cha  ;  Kyeong-Won Paeng  ;  Myong-Ji Kim  ;  Daniel S Thoma  ;  Ronald E Jung  ;  Ui-Won Jung 
Citation
 JOURNAL OF CLINICAL PERIODONTOLOGY, Vol.47(5) : 649-656, 2020-05 
Journal Title
 JOURNAL OF CLINICAL PERIODONTOLOGY 
ISSN
 0303-6979 
Issue Date
2020-05
Keywords
Schneiderian membrane ; animal study ; volume stability ; xenograft
Abstract
Objectives: To determine the volume stability of a sinus augmented with a collagenated bovine bone mineral (CBBM) in case of an intact or perforated Schneiderian membrane (SM). Materials and methods: A bilateral sinus augmentation procedure was performed in eight rabbits. The SM was intentionally perforated in one side (SMP group), while it remained intact in contra-lateral side (control group) and the same amount of CBBM was then grafted. At 12 weeks, the animals were euthanized for radiographic and histomorphometric analyses. Results: The augmented volume did not differ significantly between the two groups: 262.2 ± 32.1 mm3 in SMP group and 261.9 ± 48.5 mm3 in the control group (p = .959). There was no significant difference in the total augmented area: 24.7 ± 5.2 mm2 in SMP group and 23.2 ± 2.9 mm2 in the control group (p = .773). The areas of newly formed bone also did not differ significantly between the two groups, but was significantly lower at the centre of the augmented region than in the region of the surgical window in both groups (p < .05). Conclusion: A perforation of the SM in a rabbit model does neither impact the augmented volume nor new bone formation following grafting of the sinus with a CBBM.
Full Text
https://onlinelibrary.wiley.com/doi/full/10.1111/jcpe.13273
DOI
10.1111/jcpe.13273
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Paik, Jeong Won(백정원) ORCID logo https://orcid.org/0000-0002-5554-8503
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
Cha, Jae Kook(차재국) ORCID logo https://orcid.org/0000-0001-6817-9834
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/176205
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