埋伏阻生牙导致牙根外吸收邻牙的预后的临床观察

doi:10.7518/hxkq.2019.03.010

华西口腔医学杂志 ›› 2019, Vol. 37 ›› Issue (3): 280-284.doi: 10.7518/hxkq.2019.03.010

埋伏阻生牙导致牙根外吸收邻牙的预后的临床观察

赖颖¹,潘韦霖²,刘畅²,黄静远¹,华成舸²()

1.口腔疾病研究国家重点实验室国家口腔疾病临床医学研究中心四川大学华西口腔医院口腔颌面外科
2.口腔疾病研究国家重点实验室国家口腔疾病临床医学研究中心四川大学华西口腔医院口腔全科,成都 610041

收稿日期:2018-10-21 修回日期:2019-02-18 出版日期:2019-06-01 发布日期:2019-06-12
通讯作者: 华成舸 E-mail:huacg@163.com
作者简介:赖颖,硕士,E-mail:lying2019@hotmail.com
基金资助:
四川省重点研发项目(2018SZ0181)

Prognosis of teeth with external root resorption caused by adjacent impacted teeth

Ying Lai¹,Weilin Pan²,Chang Liu²,Jingyuan Huang¹,Chengge Hua²()

1.State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
2.State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of General Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China

Received:2018-10-21 Revised:2019-02-18 Online:2019-06-01 Published:2019-06-12
Contact: Chengge Hua E-mail:huacg@163.com
Supported by:
Key Research and Development Foundation of Sichuan Province (2018SZ0181)(2018SZ0181)

摘要/Abstract

摘要：

目的探讨埋伏阻生牙导致邻牙（恒牙）牙根外吸收（ERR）时,阻生牙拔除术后邻牙的预后。方法以埋伏阻生牙导致邻牙（恒牙）ERR但可以正常行使功能的63例患者的75颗ERR邻牙作为研究对象,微创拔除埋伏阻生牙后,术后随访6月,观察ERR邻牙的预后情况,并分析预后与患者年龄、性别、牙根数量、牙根吸收类型、牙根吸收程度的关系。结果在75颗ERR邻牙中,67颗（89.3%）为无症状活髓牙。ERR邻牙的预后与患者的年龄相关（r=0.330,P<0.05）,年龄低于30岁者ERR邻牙均保持了无症状活髓。ERR邻牙的预后与性别、牙根数量、牙根吸收类型、牙根吸收程度无相关性（P>0.05）。结论对于因相邻埋伏阻生牙导致的牙根外吸收而无临床症状的恒牙,有较大概率在阻生牙拔除术后保存活髓,建议密切随访观察,不必行预防性根管治疗。

关键词: 阻生牙, 牙根外吸收, 预后

Abstract:

Objective This study aimed to investigate the prognosis of permanent teeth with external root resorption (ERR) caused by adjacent impacted teeth. Methods A total of 75 ERR teeth (permanent teeth) caused by adjacent impacted teeth of 63 patients were included. The prognosis of ERR teeth was analyzed followed by minimally invasive extraction of the adjacent impacted teeth. The time of follow-up was six months. The relationship between prognosis of ERR teeth and patients’ age, gender, root number, type of root resorption and degree of root resorption were analyzed. Results In the 75 ERR teeth, 67 teeth (89.3%) did not show pulpitis symptoms. The clinical outcome was found to be related with age (r=0.330, P<0.05), whereas no relationships with gender, root number, as well as type and degree of root resorption were observed (P>0.05). Pulpitis symptom was not found in ERR teeth of patients under 30 years old. Conclusion For ERR teeth caused by adjacent impacted teeth, keeping the pulp vital after surgical removal of impacted teeth is highly probable. Post-operative follow-up instead of preventive root canal therapy of ERR teeth is recommended.

Key words: impacted teeth, external root resorption, prognosis

中图分类号:

R782.11

赖颖,潘韦霖,刘畅,黄静远,华成舸. 埋伏阻生牙导致牙根外吸收邻牙的预后的临床观察[J]. 华西口腔医学杂志, 2019, 37(3): 280-284.

Ying Lai,Weilin Pan,Chang Liu,Jingyuan Huang,Chengge Hua. Prognosis of teeth with external root resorption caused by adjacent impacted teeth[J]. West China Journal of Stomatology, 2019, 37(3): 280-284.

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参考文献 12

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年龄段	无症状	有症状未	已行RCT	拔除	失访	合计
/岁	活髓	行RCT	已行RCT	拔除	失访	合计
11~30	53	0	0	0	1	54
31~40	7	1	0	1	1	10
41~50	5	0	2	2	0	9
51~60	2	0	0	0	0	2

性别	无症状	有症状未	已行	拔除	失访	合计
性别	活髓	行RCT	RCT	拔除	失访	合计
男	24	0	2	1	1	28
女	43	1	0	2	1	47

患者编号	牙位	年龄	性别	牙根数量	牙根吸收类型	牙根吸收程度	结局	失败原因
1	47	31	女	2	B	轻度	有症状未行RCT	术前近中根根尖有低密度影
2	37	41	男	2	D	中度	已行RCT	术后1周出现自发痛、咬合痛
3	37	49	男	2	B	轻度	已行RCT	术后1月出现自发痛、冷热刺激痛、咬合痛
4	47	41	女	2	D	重度	拔除	近中根根折
5	27	37	女	3	C	轻度	拔除	近中颊根根折
6	17	49	男	3	A	轻度	拔除	原因不明

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埋伏阻生牙导致牙根外吸收邻牙的预后的临床观察

Prognosis of teeth with external root resorption caused by adjacent impacted teeth

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牙根	无症状	有症状未	已行	拔除	失访	合计
数量	活髓	行RCT	RCT	拔除	失访	合计
1	18	0	0	0	0	18
2	19	1	2	1	0	23
3	30	0	0	2	2	34

牙根吸	无症状	有症状未	已行	拔除	失访	合计
收类型	活髓	行RCT	RCT	拔除	失访	合计
A	27	0	0	1	2	30
B	18	1	1	0	0	20
C	2	0	0	1	0	3
D	20	0	1	1	0	22

牙根吸	无症状	有症状未	已行	拔除	失访	合计
收程度	活髓	行RCT	RCT	拔除	失访	合计
轻度	45	1	1	2	2	51
中度	12	0	1	0	0	13
重度	10	0	0	1	0	11