Alveolar bone study of implant marginal bone resorption between mandibular bar and locator type implant supported
안태웅, 박철민, 설가영, 유길화, Yoon Sun-Ung, 강나라, 오민석, 박영주, 신동수, 박찬익, 강세하, 김주언, 김소영, Ahn Je-Young,
소속 상세정보
안태웅 ( Ahn Tae-Woong ) - Sun Dental Hospital Department of Oral and Maxillofacial Surgery
박철민 ( Park Chul-Min ) - Sun Dental Hospital Department of Oral and Maxillofacial Surgery
설가영 ( Seol Ga-Young ) - Sun Dental Hospital Department of Oral and Maxillofacial Surgery
유길화 ( Yoo Kil-Hwa ) - Sun Dental Hospital Department of Oral and Maxillofacial Surgery
( Yoon Sun-Ung ) - Sun Dental Hospital Department of Oral and Maxillofacial Surgery
강나라 ( Kang Na-Ra ) - Sun Dental Hospital Department of Oral and Maxillofacial Surgery
오민석 ( Oh Min-Seok ) - Sun Dental Hospital Department of Oral and Maxillofacial Surgery
박영주 ( Park Young-Ju ) - Sun Dental Hospital Department of Periodontology
신동수 ( Shin Dong-Soo ) - Sun Dental Hospital Department of Periodontology
박찬익 ( Park Chan-Ik ) - Sun Dental Hospital Department of Prosthodontics
강세하 ( Kang Se-Ha ) - Sun Dental Hospital Department of Prosthodontics
김주언 ( Kim Ju-Won ) - Sun Dental Hospital Department of Prosthodontics
김소영 ( Kim So-Young ) - Veterans Health Service Medical Center, Department of Oral and Maxillofacial Surgery
( Ahn Je-Young ) - Veterans Health Service Medical Center, Department of Oral and Maxillofacial Surgery
KMID : 1033920170130020037
Abstract
This is retrospective study of comparison of implant marginal bone resorption between mandibular bar and locator type implant supported overdenture. The degree of marginal bone resorption was compared between 80 patients who were restored with bar type implant supported overdenture with 4 implants on mandibular anterior region and 40 patients who were restored with locator type implant supported overdenture with 2 implants on mandibular anterior region. For each implant, the radiograph was evaluated regarding marginal bone height and changes over the time. The marginal bone height and bone-level changing over the time was assessed at the mesial and distal surface of each implant by measuring the distance between the reference point of the implant. 3 months after the implantation, overdenture was delivered on operation site and there was more marginal bone resorption on bar type overdenture than locator type overdenture. And there was more marginal bone resorption on fixed antagonistic arch as for bar type overdenture and on removable antagonistic arch as for locator type overdenture. There was more marginal bone resorption on anterior tooth than posterior tooth as for bar type overdenture. Based on this retrospective study and many other studies, we may be able to speculate effective and predictable treatment options for implant supported overdenture.
키워드
Dental implant; Implant supported overdenture; Marginal bone resorption; Bar type attachment; Locator type attachment
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