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KMID : 0362419920300020273
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Journal of Korean Academy of Prosthodontics
1992 Volume.30 No. 2 p.273 ~ p.285
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A COMPARISON OF THE FORM OF THE FACE, THE DENTAL ARCH AND THE MAXILLARY CENTRAL INCISOR
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Lee Bong-Ho
Chung Chae-Heon
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Abstract
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The purpose of this study was to evaluate facial form, arch form and tooth form in young adults do determine if a correlation exists. 115 subjects who had healthy natural maxillary incisor and good occlusion consisted of 71 males and 44 females ranging from 20-30 years of age. Facial photographs and, intraoral photographs of upper anterior teeth and dental casts of upper jaws were taken to demonstrate facial form, dental arch form and tooth form. From analysis is determined by comparing the ratio of the widths of the faces, dental archs and the teeth. the Chi-square test of independence between facial form, arch form and tooth form, was executed and the significance level determined.
@ES The results were as follows: @EN 1. The distribution of facial forms was 66.1% square-tapering, 27.0% square, 5.2% ovoid, 2% tapering-square. 2. The distribution of tooth forms was 65.2% ovoid, 20.0% square-tapering, 11.3% tapering-square, 3.5% square. 3. The distribution of arch forms was 50.4% square-tapering, 48.7% tapering, 0.9% reverse tapering-square. 4. There was no large differences in the distribution of facial forms, dental arch forms and tooth-forms between male and female. 5. No relationship existed between the tooth form and the facial form. 6. No relationship existed between the facial form and the dental arch form. 7. No relationship existed between the tooth form and the dental arch form. 8. This gave the impression that dental arch form and facial form could no be used as a true index in tooth selection.
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