When designing a definitive prosthesis for these patients , factors such as the prognosis of the abutment teeth , distribution of the abutment , periodontal attachment levels , crown root ratio and the requirements of splinting must be taken into consideration 當(dāng)這類(lèi)患者要進(jìn)入最后階段之最終補(bǔ)綴治療前,牙周疾病必須是經(jīng)過(guò)牙周病專(zhuān)家確實(shí)控制下,并經(jīng)試帶一段時(shí)間之良好暫用修種體后才能開(kāi)始制作。