全口义齿占据由缺失的自然牙和吸收的牙槽突 所形成的颌间距离，维持下颌运动过程中牙列间接 触的协调关系，恢复髁突在关节凹中的生理位置。能 够完成咀嚼、发音、吞咽等生理功能。并能使面容和 谐，而常规塑料基托制作全口义齿常出现发音障碍， 恶心及断裂等不足，近２年来我 The complete denture occupies the intermaxillary distance formed by the missing natural tooth and the absorbed alveolar process and maintains the coordination relationship between the dentition and the mandibular movement and restores the condyle's physiological position in the joint recess. To complete the chewing, pronunciation, swallowing and other physiological functions. And can make the face harmony, and the production of conventional plastic base denture often appear lack of pronunciation, nausea and rupture, the past two years I