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アブストラクト(22巻1号:The Bulletin of Kanagawa Dental College)
English
Title : | Sequential Guidance with Canine Dominance in Japanese and Caucasian Samples |
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Subtitle : | ORIGINAL ARTICLES |
Authors : | Ales Celar, Sadao Sato*, Susumu Akimoto*, Susumu Yamamura**, Atsushi Matsumoto*, Rudolf Slavicek |
Authors(kana) : | |
Organization : | Department of Removable and Fixed Prosthodontics, University of Vienna, Dental Clinic, *Department of Orthodontics, Kanagawa Dental College, **Faculty of Science & Engineering, Tokyo Denki University |
Journal : | The Bulletin of Kanagawa Dental College |
Volume : | 22 |
Number : | 1 |
Page : | 18-24 |
Year/Month : | 1994 / 3 |
Article : | Original article |
Publisher : | Kanagawa Odontological Society |
Abstract : | [Abstract] Tooth guidance was studied on 82 mounted casts of Japanese subjects (mean age 23 years and 7 months) offering Angle class I relation. Guidance referred to the principles of sequential guidance with canine dominance. A 3D-digitizer recorded the coordinates of function points F1 and F2. F1 and F2 represent the starting point and end point of tooth guidance for protrusion and laterotrusion on maxillary teeth from central incisor to first molar. The inclination of the connecting line from F1 to F2 to axis orbital plane was calculated for each tooth including the upper second molars. The values were compared to those of a Caucasian sample. The results documented a sequence of guidance. The angles from first molar to central incisor ranged from 13.0 to 55.5 degrees in natural teeth. The increments of guidance between neighbouring teeth ranged from 2.45 to 13.16 degrees. The results confirmed the concept of sequential guidance with canine dominance. Differences between Japanese and Caucasian guidance were small with exception of the first molars (13 degrees in Japanese versus 23 degrees in Europeans). |
Practice : | Dentistry |
Keywords : | Sequential Guidance with Canine Dominance, Function Points F1 and F2, Guidance Inclinations, Natural Tooth Morphology |