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논문 기본 정보

자료유형
학술저널
저자정보
Keon-Il Yang (Clinical Professor Department of Periodontology School of Dentistry Chosun University Gwangju Repub) Choong-Seop Ji (Doctor of Dental Clinic Best Dental Office Jecheon Republic of Korea) Ock-Hyun Cho (Resident Department of Periodontology School of Dentistry Chosun University Gwangju Republic of Kor) Ho-Jin Yun (Resident Department of Periodontology School of Dentistry Chosun University Gwangju Republic of Kor) Won-Pyo Lee (Assistant Professor Department of Periodontology School of Dentistry Chosun University Gwangju Repu) Byung-Ock Kim (Professor Department of Periodontology School of Dentistry Chosun University Gwangju Republic of Ko) Sang-Joun Yu (Professor Department of Periodontology School of Dentistry Chosun University Gwangju Republic of Ko)
저널정보
조선대학교 치의학연구원 Oral Biology Research Oral Biology Research 제46권 제1호
발행연도
2022.3
수록면
1 - 9 (9page)
DOI
10.21851/obr.46.01.202203.1

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초록· 키워드

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The aim of this study was to evaluate the clinical and histologic outcomes of sinus floor augmentation using mixtures of cancellous and cortical freeze-dried bone allograft (AG) at two different ratios (5:5 and 3:7). The sinuses of 21 patients were grafted with the two types of mixed allografts. Cone-beam computerized tomography scans were obtained, and the radiographic parameters measured were residual bone height and bone gain after bone healing. Clinical examinations and histologic analyses were performed 6 months after the grafting procedure. Twenty implant sites in the 5:5 mixed AG group and 22 implant sites in the 3:7 mixed AG group were analyzed. The bone gain after bone healing was 13.0±3.1 mm in the 5:5 group and 14.5±3.5 mm in the 3:7 group. The survival rates of the implants in both groups were 100% during follow-up periods. The newly formed bone was 29.9±16.6% in the 5:5 AG group and 25.1±10.1% in the 3:7 AG group. Moreover, the percentage of residual graft material was 15.2±12.7% in the 5:5 AG group and 20.4±12.1% in the 3:7 AG group. The connective tissues were 55.0±14.0% and 54.6±10.0% in the 5:5 and 3:7 AG groups, respectively. The two different ratios of AG presented with different histological outcomes after bone healing. Additionally, adequate new bone formation for the placement of implants was achieved following maxillary sinus augmentation using both types of AG.

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