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正畸治疗不同年龄牙根吸收的临床研究

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摘要 目的:探讨正畸治疗患者的年龄对牙根吸收的影响。方法:选用136例矫治完成的病例,患者治疗前后分别拍摄全口曲面断层片,测量不同年龄组治疗前后上、下颌前牙的牙根长度变化。结果:成人组与青少年组上颌前牙正畸治疗前后牙根吸收差异无统计学意义(P>0.05),而下颌前牙正畸治疗前后牙根吸收差别具有统计学意义(P<0.05)。结论:年龄是正畸治疗中影响牙根吸收的一个重要因素。
出处 《河南医学研究》 CAS 2014年第8期21-23,共3页 Henan Medical Research
基金 河南省卫生厅科技攻关项目(201203054)
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