Factors that affect alignment of upper permanent lateral incisors in early mixed dentition

H. H. Tsai

研究成果: 雜誌貢獻文章

摘要

The purpose of the present study was to find the factors that affect the alignment of the upper permanent lateral incisors in early mixed dentition. The materials, consisting of dental casts and lateral cephalograms which were taken from 30 children (15 males and 15 females) who had normal occlusion in deciduous dentition and normal permanent central incisor relationship, were divided into three groups, according to the bilateral symmetry alignment of the upper permanent lateral incisors (Group A: Normal alignment, Group B: Linguoversion, Group C: Mesiolinguotorsiversion). The principal component analysis was carried out to clarify the characteristics among the multi-variates, which are upper incisor shape, dental arch form, craniofacial morphology and amount of dento-craniofacial development, in Groups A, B and C. The results obtained were as follows: Group A shows a tendency to be harmonious in upper permanent incisor shape, dental arch form, craniofacial morphology and dento-craniofacial development. Group B shows a tendency to have a larger labio-lingual width of the upper permanent incisors, less anterior arch length development and less forward movement of the upper permanent lateral incisor in the maxilla before eruption. Group C shows a tendency to have a larger mesio-distal width of the upper permanent incisors, less anterior arch width development, longer distance between the upper permanent lateral incisor edge and the nasal floor and more forward and descent movement of the upper permanent lateral incisor in the maxilla before eruption.
原文英語
頁(從 - 到)222-243
頁數22
期刊Kokubyo Gakkai zasshi. The Journal of the Stomatological Society, Japan
56
發行號2
出版狀態已發佈 - 六月 1989
對外發佈Yes

指紋

Mixed Dentition
Incisor
Dental Arch
Maxilla
Dental Materials
Deciduous Tooth
Principal Component Analysis
Nose
Tongue

ASJC Scopus subject areas

  • Medicine(all)

引用此文

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abstract = "The purpose of the present study was to find the factors that affect the alignment of the upper permanent lateral incisors in early mixed dentition. The materials, consisting of dental casts and lateral cephalograms which were taken from 30 children (15 males and 15 females) who had normal occlusion in deciduous dentition and normal permanent central incisor relationship, were divided into three groups, according to the bilateral symmetry alignment of the upper permanent lateral incisors (Group A: Normal alignment, Group B: Linguoversion, Group C: Mesiolinguotorsiversion). The principal component analysis was carried out to clarify the characteristics among the multi-variates, which are upper incisor shape, dental arch form, craniofacial morphology and amount of dento-craniofacial development, in Groups A, B and C. The results obtained were as follows: Group A shows a tendency to be harmonious in upper permanent incisor shape, dental arch form, craniofacial morphology and dento-craniofacial development. Group B shows a tendency to have a larger labio-lingual width of the upper permanent incisors, less anterior arch length development and less forward movement of the upper permanent lateral incisor in the maxilla before eruption. Group C shows a tendency to have a larger mesio-distal width of the upper permanent incisors, less anterior arch width development, longer distance between the upper permanent lateral incisor edge and the nasal floor and more forward and descent movement of the upper permanent lateral incisor in the maxilla before eruption.",
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