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Radiographic and histologic observations of sequential healing processes following ridge augmentation after tooth extraction in buccal-bone-deficient extraction sockets in beagle dogs

Authors
 Jung‐Seok Lee  ;  Sun‐Ho Choe  ;  Jae‐Kook Cha  ;  Gi‐Young Seo  ;  Chang‐Sung Kim 
Citation
 Journal of Clinical Periodontology, Vol.45(11) : 1388-1397, 2018 
Journal Title
 Journal of Clinical Periodontology 
ISSN
 0303-6979 
Issue Date
2018
Keywords
alveolar bone grafting ; alveolar ridge augmentation ; bone regeneration ; bone substitute ; tooth extraction
Abstract
OBJECTIVES: To evaluate dimensional ridge alterations and sequential healing processes following ridge augmentation after tooth extraction in damaged extraction sockets with buccal-bone-deficiency. MATERIAL AND METHODS: Bilateral dental roots of three mandibular premolars were extracted with entire removal of the buccal-bone plate in eight beagle dogs. Unilateral sites were grafted with biomaterials (test group) and contralateral sites were healed without grafting (control group). Observations were made after 1, 2, 4, and 8 weeks, and all sites were distributed evenly (n = 6 for each group and period). Radiographic/histomorphometric analyses were performed. RESULTS: In spontaneous healing of damaged extraction sockets, the dimension of regenerated alveolar ridge gradually increased until 4 weeks and then remained stable, but radiographic/histomorphometric analyses revealed evident dimensional shrinkage compared to the pristine tissue at 8 weeks in the coronal and middle areas. Bone grafting retained the pristine dimension of alveolar ridge, and newly formed bone area within the augmented space continuously expanded during the observational period to the outermost border of the space. CONCLUSIONS: Spontaneous healing of damaged extraction sockets caused substantial dimensional shrinkage. However, ridge augmentation can provide space into which new bone may grow continuously, resulting in the final dimensions comparable to those of the pristine alveolar ridge.
Full Text
https://onlinelibrary.wiley.com/doi/full/10.1111/jcpe.13014
DOI
10.1111/jcpe.13014
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Others (기타) > 1. Journal Papers
Yonsei Authors
김창성(Kim, Chang Sung) ORCID logo https://orcid.org/0000-0003-3902-1071
서지영(Seo Ji Young)
이중석(Lee, Jung Seok) ORCID logo https://orcid.org/0000-0003-1276-5978
차재국(Cha, Jae Kook) ORCID logo https://orcid.org/0000-0001-6817-9834
최순호(Choe, Sun Ho)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/165864
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