Comparison of the Functional Occlusal Plane in Adults with Class m Malocclusion Showing Open Bite and Non-open Bite.
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概要
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A retrospective study of lateral cephalograms of 24 Japanese adults with Class III malocclusion was made in order to compare the angles of the horizontal plane between open bite and non-open bite cases. The following results were obtained : <BR>i) There was no significant difference in the angle of the NF-upper occlusal plane between the open bite and non-open bite groups.<BR>ii) There were significant differences between the two groups in the angle of the SN-upper and lower occlusal planes, the FH-upper and lower occlusal planes and MP-lower occlusal plane. There was also a significant difference between the groups in the distance from the Xi point to the upper occlusal plane.<BR>iii) In both the open bite and non-open bite groups there was a wide variation in occlusal plane angles, compared with normal cases.
- 日本大学歯学部の論文
日本大学歯学部 | 論文
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