【David】評論
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【Fortune Hsu】評論
Christensen phenomenon是下顎前突運動時,上下顎後牙的分離現象 (When the mandible moves forward toward the edge-to-edge position, a form can be seen between the distalarcs and the wax rims on the distal side. This gap is knownas the Christensen phenomenon)condylar guidence 是由shape of the TMJ bonecontour, ligament, muscle決定的。進行pure protrusion的時候condylar向前向下滑動,滑動的路徑和水平面的傾角稱為Straight Protrusive Condylar Path Inclination (SagittalCondylar Path Inclination, SCPI),這個角度由articular eminence決定,屬於condylar guidence,平均為33度。當SCPI角度沒有事先被轉移到咬...