[A study on central zone contour of tooth-crown vesticular surface among young people with normal occlusion]

[A study on central zone contour of tooth-crown vesticular surface among young people with normal occlusion] Research Abstract Details 

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[A study on central zone contour of tooth-crown vesticular surface among young people with normal occlusion] Abstract Text:

Ding Bai,Liwei Xiao,Yangxi Chen,

To evaluate the effects of preadjusted bracket base shape, the morphology of tooth surface where bracket locates, and the suitability relevant to location of bracket on the preadjusted edgewise appliance technique. 1 vertical curve and 3 horizontal curves of the clinical crown surface of anterior teeth and bicuspid teeth were measured with the precise contour instrument on the 60 plaster models of the subjects who have normal occlusion in Sichuan province. It was found that variation of identical curve exists at the different heights between the teeth and between the individuals; the surface of the central zone of tooth-crown gradually protrudes from incisors to bicuspid teeth in the vertical direction, and the mesial contour of cuspid is more prominent than the distal in the horizontal direction. CONCLUSION: The 4 mm X 3 mm contour of the vestibular central zone of identical tooth-crown in different individuals is fairly stable; it is suitable for the location of preadjusted brackets. The vertical shifts of brackets could change the preadjusted torque value and the design of cuspid bracket should have the distinction between mesial and distal shape.

[A study on central zone contour of tooth-crown vesticular surface among young people with normal occlusion] Publishing Authors By Initials

D Bai,L Xiao,Y Chen,

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[A study on central zone contour of tooth-crown vesticular surface among young people with normal occlusion] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Sheng wu yi xue gong cheng xue za zhi = Journal of

VOLUME: 19

Page Numbers: 287-90

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ISSN: 1001-5515

DAY: 12

MONTH: Jun

YEAR: 2002

[A study on central zone contour of tooth-crown vesticular surface among young people with normal occlusion] Information

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LANGUAGE: chi

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Grant and Affiliation Information for [A study on central zone contour of tooth-crown vesticular surface among young people with normal occlusion]

AFFILIATION: Department of Orthodontics, West China College of Stomatology, Sichuan University, Chengdu 610041.

Country: China

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MEDLINETA: Sheng Wu Yi Xue Gong Cheng Xue

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