Influence of Body and Head Posture on Deviation of the Incisal Point Undergoing Dental Treatment

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概要

• 論文の詳細を見る

• Purpose: The objectives of this study were to determine how changes in body and head position undergoing dental treatment affect mandibular position, and to develop a set of standards for patient posture.Methods: Mandibular position was investigated in 8 subjects with normal occlusion and not suffering any stomatognathic dysfunction. This was done by measuring the location of the tapping point on the incisal point using a Gnathohexagraph (a 3-dimensional jaw movement measurement device with 6 degrees of freedom), with the subject’s head in 4 different positions while sitting, and the body and head in 16 different positions with the subject supine, and then comparing deviation from the reference position in each of these positions. Statistical analysis of data was performed using first, repeated measures of 1-way ANOVA (α=.05), second Bonferroni’s multiple comparison test was undertaken in seated positions. In supine positions, repeated measures of 2-way ANOVA was performed, and followed by Bonferroni’s multiple comparison test was performed.Results: The incisal point deviated significantly in the anteroposterior direction due to changes in head and body position. With the subjects seated, the incisal point tended to move backwards when the subjects were asked to lean backwards from the reference position. The incisal point tended to move forward when the subjects were asked to lean forward. With the subjects in a supine position, the incisal point was inclined backwards. The degree of backwards inclination of the incisal point tended to decline as the head position was varied from 10 degrees backwards to 20 degrees forward, regardless of the degree of backwards inclination of the body.Conclusion: Changes in body and head posture undergoing dental treatment affect incisal point deviation.

• 日本補綴歯科学会の論文
• 2007-10-01

著者

• KOIDE Kaoru

  Department of Removal Partial Denture, School of Life Dentistry at Niigata, The Nippon Dental Univer

• ISHII Mami

  Comprehensive Dental Care, Niigata Hospital, The Nippon Dental University

• Ishii Mami

  Comprehensive Dental Care Niigata Hospital The Nippon Dental University

• Koide Kaoru

  Department Of Removable Partial Denture School Of Life Dentistry At Niigata The Nippon Dental Univer

• Koide Kaoru

  Department Of Removable Partial Denture The Nippon Dental University School Of Life Dentistry At Nii

• Ueki Makoto

  Department Of Endocrinology Mitsubishi Kagaku Bio-clinical Laboratory

• Ueki Makoto

  Department Of Removable Partial Denture The Nippon Dental University School Of Life Dentistry At Nii

• ASANUMA Naoki

  Junior Collage at Niigata, The Nippon Dental University

• Asanuma Naoki

  Junior Collage At Niigata The Nippon Dental University

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• Influence of Body and Head Posture on Deviation of the Incisal Point Undergoing Dental Treatment

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