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五、人造牙的排列排牙是全口义齿制作中的一个重要环节,是在固位和咬合理论的指导下进行的,每一个步骤都要有明确的目的和符合规定的要求,才能确保义齿达到良好的镶复效果。 (一)排前牙应注意的问题: 1.前牙应避免深覆(牙合)或超(牙合)过大:全口义齿前牙的排列以美观为主,同时也要注意与后牙(牙合)曲线的协调,)上下前牙要排成浅覆(牙合)或中度覆(牙合),避免深覆(牙合)。如果前牙排成深覆(牙合),将不利于前伸(牙合)和侧(牙合)的平衡。因为覆(牙合)过深,则下颌作前伸运动时,下前牙的切缘向下运行的距离就长,往往超过后牙的牙尖高度,难以取得前伸(牙合)的平衡;前牙覆(牙合)深必然切道斜度大,
Fifth, the arrangement of artificial teeth Tooth extraction is a complete denture production is an important part of the theory in the retention and bite under the guidance of each step must have a clear purpose and meet the requirements of the regulations, to ensure that the denture Reached a good mosaic effect. (A) row of anterior teeth should pay attention to the problem: 1. Anterior teeth should avoid deep over (occlusal) or super (occlusal) is too large: the denture anterior teeth arranged in aesthetically pleasing, but also pay attention to with Tooth (occlusal) curve coordination, upper and lower front teeth to be arranged in shallow (occlusal) or moderate occlusion (occlusion), to avoid deep over (occlusion). If the anterior teeth arranged in deep coverage (occlusion), will not be conducive to the extension (occlusion) and lateral (occlusion) balance. Because overburden (occlusion) is too deep, then the mandible for pre-stretching movement, the lower edge of the lower edge of the run down the distance is long, often exceeding the cusp tip height, it is difficult to obtain balance (anastomosis) ; Anterior teeth covered (occlusal) deep inevitable path slope,