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目的探讨青少年前牙开病人的髁突形态特点,为临床诊疗提供参考依据。方法选择2011—2013年到我科就诊的20例青少年前牙开病人作为试验组,以20例青少年正常者作为对照组。两组第二恒磨牙均萌出,均拍摄全颌曲面断层片,利用硫酸纸描记测量,比较髁突形态特点。结果两组髁突上部高度(UH)、升支高度(RH)比较差异有统计学意义(F=10.206、6.356,P<0.05),而髁突高度(H)、髁突颈部宽度(W)比较差异无统计学意义(P>0.05)。两组UH/RH比较差异有统计学意义(F=16.967,P<0.05),而H/W比较差异无统计学意义(P>0.05)。结论青少年前牙开病人与正常者UH与RH存在明显差异。
Objective To investigate the condylar morphology of adolescent anterior open patients and provide reference for clinical diagnosis and treatment. Methods Twenty young patients with open anterior teeth from 2011 to 2013 in our department were selected as the experimental group and 20 normal young adults as the control group. The second permanent molars of both groups were erupted. All the maxillary curved surfaces were taken and measured with sulfuric acid tracing paper to compare the morphological features of the condyles. Results There was significant difference in the height of supracondylar condyle between the two groups (F = 10.206, 6.356, P <0.05), but the condylar height (H), condylar neck width ) Was no significant difference (P> 0.05). The difference of UH / RH between the two groups was statistically significant (F = 16.967, P <0.05), but there was no significant difference between H / W (P> 0.05). Conclusion There is a significant difference between UH and RH in adolescent anterior teeth open patients and normal persons.