Fig 3-5 profound class ii division 1 protrusion of the maxillary incisors leads to condylar pressure against the articular eminences , as the mandible unsuccessfully seeks incisal contact in excusive movements .
Persons ; tooth abrasion ; clinical investigation ; incisal and occlusion su * * * ce .
己;牙磨害;临床调查;切缘及咬牙开里。
The line bisecting the overlapping cusp of the first molars and the incisal overlap .
平分第一磨牙和切牙重叠的尖端的线。
Fig 3-4 in patients with an open bite , the condyles , owing ( owning ) to the absence of incisal guidance , drift forward and downward in a futile quest for anterior contact .