別冊　臨床家のための矯正YEAR BOOK'12

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121第1症例 成人期重度骨格性Ⅱ級開咬に対するミニプレートを用いた非外科的矯正治療Age : 22y6mSeries : initialAge : 22y6mSeries : initialCase report[Case history]Patient: 22 years 6 months, maleFirst visit date: March 29th, 2006Chief complaint: chewing diffi culty and esthetic prob-lemPast history: with normal fi ndingFamily history: no relevant history [Clinical examination]Extra oral assessment 1. Asymmetrical mesofacial type. The right face is slightly bigger than the left side(Fig 1).2. Mentalis strain was noted when lip closed.3. The upper incisal edge was at the same level as the lip line.4. When smiling, he had 100% upper incisor display, and the upper lip line was at the gingival margin.5. Lateral profi le was convex with retruded chin point and steep mandibular plane.[Intra oral assessment]1. Healthy gingival tissue was noted.2. Tongue was slightly larger than normal and tongue CASE STUDYFig 1 Initial photos.Fig 2 Initial study cast.

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