佛山科学技术学院学报 关键词：乳牙；根尖周炎；继承恒前磨牙；萌出；根尖片 [gap=1299] deciduous teeth; apical periodontitis; the succeduous premolar; tooth eruption; periapical film
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目的探讨根尖片评价根管充填密度的准确性。
Objective To investigate the accuracy of dental film on the density of root canal fillings.
目的探讨数字化根尖片和普通根尖片在评价牙齿长度和牙根吸收方面的差异。
Objective to investigate the difference between digital periapical film and conventional film in the evaluation of tooth length and root resorption.
目的探讨前磨牙区分角投照根尖片和平行投照根尖片在评价牙齿长度方面的差异。
Objective To investigate the differences of periapical films in bisecting angle technique and in distant paralleling technique on evaluation of tooth length.
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