论文部分内容阅读
本研究从乌鲁木齐市五个医院口腔科门诊拔出的牙齿中选出103例上颌第二磨牙,其中左侧46例,右侧57例。用游标卡尺测量牙体外形。其后,平牙颈处横断牙体,测量牙髓腔大小及根管口位置。为国人牙体形态学提供常数,并为口腔科医生做牙体病治疗和修复时提供参考。研究结果在牙体外形方面所得的各项数据与前人所得结果相近。牙冠的近远中径大于颊舌径者约占4％,二径相等者约占1％,近远中径小于颊舌径者约占95％。(牙合)面沟形态分型,
In this study, 103 cases of maxillary second molars were selected from the dental stomatology clinics in five hospitals of Urumqi, including 46 on the left and 57 on the right. Measure the tooth shape with a vernier caliper. Thereafter, the level of cervical teeth transection of teeth, pulp cavity size and root canal position measurement. It provides a constant for tooth morphology of Chinese people and provides references for dentists to treat and repair dental diseases. The results obtained in the dental shape of the data obtained with the previous results similar. The maxillary and distal diameters of the crowns are about 4% and equal diameters are about 1% and 95%, respectively. (Occlusal) ditch morphological classification,