| Maryland Bridge의 적용분포 및 결합실패에 관한 임상적 연구(I) |
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양재호 |
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서울대학교 치과대학 보철학교실 |
| A Clinical Study on the Distribution and The Bond Failure of Etched(Maryland) Bridge: A Preliminary Report of 135 Cases |
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Jae-Ho Yang |
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Dept. of Prosthodontics, College of Dentistry, Seoul National University |
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| Abstract |
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The purpose of this was to examine the distribution and the bond failure of the acidetched ceramometal retainer (Maryland Bridge). 126 subjects who treated by faculty and residents of Department of Prosthodontics, Seoul National University Hospital from Dec. 1982 to Dec. 1986 were selected for this study.
From the foregoing study author obtained the following conclusions.
1. A total of 135 restorations were placed in the mouths of patients ranging in age from 11 to 70 years (Man 62, woman 64)
2. Most restorations were applied to replace anterior teeth.
3. It was found that of the total number of bridges constructed 59.3 percent were the three-unit type.
4. Replacing one tooth missing was the most frequent cases(74.1 percent).
5. Of the total number of cases, 10.4percent showed bond failure.
6. The bond failure, author suggest, be due to one or more of mis-fit of framework, occlusion, material in itself, faulty case selection and lack of technique. |
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