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Zhonghua Kou Qiang Yi Xue Za Zhi. 2010 Oct;45(10):631-4.

[A computer aided design approach of all-ceramics abutment for maxilla central incisor].

[Article in Chinese]

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Department of Implant Dentistry, Peking University School and Hospital of Stomatology, Beijing 100081, China.



To establish the computer aided design (CAD) software platform of individualized abutment for the maxilla central incisor.


Three-dimentional data of the incisor was collected by scanning and geometric transformation. Data mainly included the occlusal part of the healing abutment, the location carinae of the bedpiece, the occlusal 1/3 part of the artificial gingiva's inner surface, and so on. The all-ceramic crown designed in advanced was "virtual cutback" to get the original data of the abutment's supragingival part. The abutment's in-gum part was designed to simulate the individual natural tooth root. The functions such as "data offset", "bi-rail sweep surface" and "loft surface" were used in the process of CAD.


The CAD route of the individualized all-ceramic abutment was set up. The functions and application methods were decided and the complete CAD process was realized.


The software platform was basically set up according to the requests of the dental clinic.

[Indexed for MEDLINE]

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