上下颌不等的 [脊椎] anisognathous
上、下颌牙 maxillary and mandibular teeth
上下颌牵引 maxillomandibular traction
上下颌记录 maxillomandibular registration
上下颌关系记录 maxillomandibular record
上提患者下颌 Jaw-lift technique
上颌下的 inframaxillary
上颌下指数 inframaxillary index
下鼻甲上颌突 maxillary process of inferior nasal concha ; processus maxillaris conchae nasal
目的：了解上下颌第一磨牙牙釉质及牙本质的厚度。
Objective: To measure the thickness of enamel and dentin of the first molars.
这样可以稳定上下颌，这样骨头就不会收缩使你的脸看起来很老。
It stabilizes the jaw so the bone doesn't shrink and make your face look older.
不同的音是通过舌头和上下颌的微小变动而发出的，但嘴唇不要动。
Different notes are produced through very slight changes in the position of your tongue and jaw. Don't move your lips.
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