70.在安格氏第一類咬合關係，下顎進行前突運動（protrusive movement）時，後牙前突接觸點發生處，下列敘述 何者正確？①上顎舌側咬頭遠心斜面接觸對咬牙窩的近心斜面與邊緣嵴 ②下顎頰側咬頭近心斜面接觸對咬 牙窩的遠心斜面與邊緣嵴 ③上顎頰側咬頭近心斜面接觸對咬牙窩的遠心斜面與邊緣嵴 ④下顎舌側咬頭遠 心斜面接觸對咬牙窩的近心斜面與邊緣嵴
(A)①②
(B)②③
(C)③④
(D)④①

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統計： A(645), B(117), C(163), D(78), E(0) #2743070

詳解 (共 4 筆)

#6167003
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#6529491
這題是要考functinal cusp,...
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#6262625
後牙前突接觸（Posterior Pr...

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#5858751

Management of Temporomandibular Disorders and Occlusion 6th, p76-77

Posterior protrusive contacts occur between the distal inclines of the maxillary lingual cusps and the mesial inclines of the opposing fossae and marginal ridges. Posterior protrusive contacts can also occur between the mesial inclines of the mandibular buccal cusps and the distal inclines of the opposing fossae and marginal edges.

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