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正畸治疗中最常见的副作用之一是牙根吸收,学者们对这种现象做了大量的研究,但对牙根吸收的机理并未完全掌握.尽管无髓牙对正畸力的反应与活髓牙相似,有学者认为无髓牙的根吸收较活髓牙为重,相反,也有学者认为死髓牙与活髓牙正畸后根吸收在程度上无显著差异.本文的目的就是对死髓与活髓牙正畸后根吸收的情况进行比较研究。材料和方法本研究共选用43名患者(男性21名,女性22名),平均年龄13岁。在接受正畸治疗前,患者均有一侧上颌切牙做过根管治疗,对侧同名切牙牙髓活力
Orthodontic treatment is one of the most common side effects of root resorption, scholars have done a lot of research on this phenomenon, but the mechanism of root resorption is not fully mastered. Although no pulp teeth on the orthodontic response and vital pulp Similarly, some scholars think that the root absorption of non-myelinated teeth is more important than the absorption of vital teeth, while some scholars think that there is no significant difference in the degree of root resorption between dead pulp and vital pulp after orthodontic treatment.The purpose of this paper is to study the effect of dead pulp And vital pulp after orthodontic root resorption were compared. Materials and Methods A total of 43 patients (21 males and 22 females) were selected for this study, with a mean age of 13 years. Before undergoing orthodontic treatment, patients had a maxillary incisor on one side of the root canal treatment, the same side of the same name incisor pulp vitality