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无牙颌病人用总义齿作(牙合)重建(Occlusal rehabilitatior)时的一个重要问题是正确颌位的确定。下颌的运动和位置,由有关的颞颌关节、神经、肌肉、韧带和牙齿等的限制并决定。无论有牙颌或无牙颌,在一定的界限范围内,下颌可任意采取各种各样的位置,即存在着无数个颌位。从咬合功能角度来看,自然牙列存在时,下颌最基本的位置有:最广泛接触位、后退位和下颌姿势位三种位置。它们和无牙颌建(牙合)时颌位的确定均有密切的关系。颌位的确定,主要包括上下颌骨垂直和
An important issue for edentulous jaw patients with total denture rebuilding (OCClusal rehabilitatior) is the correct jaw positioning. The movement and position of the mandible is limited by the relevant temporomandibular joint, nerves, muscles, ligaments and teeth. Regardless of the jaw or edentulous jaw, within a certain range of limits, the jaw can take a variety of positions, that is, there are numerous jaw position. From the bite function point of view, the existence of natural dentition, the most basic position of the jaw are: the most widely contact position, back position and the mandibular position of three positions. They are closely related to the determination of jaw position during edentulous jaw occlusion. Mandibular position determination, including the upper and lower jaw vertical and