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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제8권 제2호
- 발행연도
- 2016.1
- 수록면
- 85 - 93 (9page)
이용수
초록· 키워드
오류제보하기
PURPOSE. The purpose of this study was to determine the effect of anchorage systems and palatal coverage of denture base on load transfer in maxillary implant-retained overdenture. MATERIALS AND METHODS. Maxillary implant-retained overdentures with 4 implants placed in the anterior region of edentulous maxilla were converted into a 3-D numerical model, and stress distribution patterns in implant supporting bone in the case of unilateral vertical loading on maxillary right first molar were compared with each other depending on various types of anchorage system and palatal coverage extent of denture base using three-dimensional finite element analysis. RESULTS. In all experimental models, the highest stress was concentrated on the most distal implant and implant supporting bone on loaded side. The stress at the most distal implant-supporting bone was concentrated on the cortical bone. In all anchorage system without palatal coverage of denture base, higher stresses were concentrated on the most distal implant and implant supporting bone on loaded side. CONCLUSION. It could be suggested that when making maxillary implant retained overdenture, using Hader bar instead of milled bar and full palatal coverage rather than partial palatal coverage are more beneficial in distributing the stress that is applied on implant supporting bone. [J Adv Prosthodont 2016;8:85-93]
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참고문헌 (40)
참고문헌 신청
Brånemark PI / 1977 / Osseointegrated implants in the treatment of the edentulous jaw. Experience from a 10-year period / Scand J Plast Reconstr Surg Suppl 16:1~132
Batenburg RH / 1998 / Treatment concept for mandibular overdentures supported by endosseous implants: a literature review / Int J Oral Maxillofac Implants 13:539~545
Engquist B / 1988 / A retrospective multicenter evaluation of osseointegrated implants supporting overdentures / Int J Oral Maxillofac Implants 3:129~134
Smedberg JI / 1993 / A clinical and radiological two-year follow-up study of maxillary overdentures on osseointegrated implants / Clin Oral Implants Res 4:39~46
Jemt T / 1992 / Failures and complications in 92 consecutively inserted overdentures supported by Brånemark implants in severely resorbed edentulous maxillae:a study from prosthetic treatment to first annual check-up / Int J Oral Maxillofac Implants 7:162~167
Batenburg RH / 1998 / Treatment concept for mandibular overdentures supported by endosseous implants: a literature review / Int J Oral Maxillofac Implants 13:539~545
Engquist B / 1988 / A retrospective multicenter evaluation of osseointegrated implants supporting overdentures / Int J Oral Maxillofac Implants 3:129~134
Smedberg JI / 1993 / A clinical and radiological two-year follow-up study of maxillary overdentures on osseointegrated implants / Clin Oral Implants Res 4:39~46
Jemt T / 1992 / Failures and complications in 92 consecutively inserted overdentures supported by Brånemark implants in severely resorbed edentulous maxillae:a study from prosthetic treatment to first annual check-up / Int J Oral Maxillofac Implants 7:162~167
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