Moskovitz Moti, Tickotsky Nili, Ashkar Hussam, Holan Gideon
Department of Pediatric Dentistry, The Hebrew University-Hadassah School of Dental Medicine, Jerusalem, Israel.
Quintessence Int. 2012 May;43(5):361-8.
To compare the degree of root resorption in endodontically treated primary molars with that of homologous teeth without root canal treatment.
A retrospective study was carried out comprising 105 records of children who had received root canal treatment in a primary molar. Mean age at the time of treatment was 7.0 ± 1.4 years. Inclusion criteria included one endodontically treated primary molar and a homologous primary molar with no root canal treatment on the other side of the mouth. All teeth were treated by the same operator in the same way using the same iodoform-containing root canal filling material. The degree of root resorption was compared by radiographic evaluation 12 or more months posttreatment.
The degree of root resorption on the final follow-up radiograph in the endodontically treated primary molars was significantly higher (P < .05) than the degree of root resorption in the homologous teeth. The degree of root resorption was higher in boys than in girls. No statistical significance was found between the degree of root resorption and the age at the time of treatment in either the root canal-treated teeth or the homologous teeth. Follow-up radiographs demonstrated a higher degree of root resorption in the root canal treated teeth than in the homologous teeth, regardless of the type of treatment performed on the homologous side.
Root canal treatment performed with iodoform-containing root canal filling material accelerates root resorption in root canal-treated primary molars compared with homologous teeth without endodontic treatment. Clinicians should be aware that endodontically treated teeth will probably shed before homologous ones that are not root canal treated.
比较经根管治疗的乳磨牙与未经根管治疗的同名牙的牙根吸收程度。
进行一项回顾性研究，纳入105例曾接受乳磨牙根管治疗的儿童记录。治疗时的平均年龄为7.0±1.4岁。纳入标准包括一颗经根管治疗的乳磨牙和口腔另一侧一颗未经根管治疗的同名乳磨牙。所有牙齿均由同一名操作者以相同方式使用相同的含碘仿根管充填材料进行治疗。在治疗后12个月或更长时间通过影像学评估比较牙根吸收程度。
经根管治疗的乳磨牙在最终随访X线片上的牙根吸收程度显著高于（P<.05）同名牙的牙根吸收程度。男孩的牙根吸收程度高于女孩。在根管治疗的牙齿或同名牙中，牙根吸收程度与治疗时的年龄之间均未发现统计学差异。随访X线片显示，无论同名侧进行何种治疗，根管治疗的牙齿的牙根吸收程度均高于同名牙。
与未经牙髓治疗的同名牙相比，使用含碘仿根管充填材料进行根管治疗会加速经根管治疗的乳磨牙的牙根吸收。临床医生应意识到，经根管治疗的牙齿可能比未进行根管治疗的同名牙更早脱落。
