根尖片 [口腔] periapical film
- 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. - 结论前磨牙区的分角投照根尖片和平行投照根尖片均能精确反映牙齿的实际长度。
Conclusion Both periapical films in bisecting angle technique and in distant paralleling technique can reflect the real teeth length precisely in premolar area.
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