Abstract
measurement of some angles and distances with computer software. Results: Thirty-four Caucasians, thirty-eight Asians. Age (50 ± 11 vs 49 ± 10; p = 0.97), BMI (29.6 ± 2.9 vs 25.7 ± 2.1; p < 0.0001), AHI (25.7 ± 27.0 vs 43.6 ± 16.7; p = 0.0015),ANBangle: relation between upper and lower jaw (6.5 ± 3.0 vs 8.3 ± 2.9; p = 0.0072),NGnHangle: lower jaw position (119.2 ± 7.5 vs 123.4 ± 8.1; p = 0.04). Conclusions: Jaw relation (ANB) and jaw position (NGnH) were significantly different between Caucasian and Asian. The micrognathia, retrognathia or small retro-positioned jaw are characteristic findings in Asian patients rather than Caucasian. Digital photography can be used to assess anatomic structure of patients with OSA.
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