Orthodontic extrusion with fixed appliances for treatment of intrusive luxation injuries: A prospective study of 28 permanent maxillary incisors.

IF 2.3 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE International journal of paediatric dentistry Pub Date : 2024-08-03 DOI:10.1111/ipd.13254

Jingjing Zhang, Nan Wang, Xuemei Gao, Man Qin

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Abstract

Background: Limited evidence exists on the treatment options of tooth repositioning after intrusive luxation.

Aim: The study aimed to investigate the outcomes and complications of orthodontic extrusion in treating intruded maxillary permanent incisors.

Design: A prospective study was conducted involving 28 intruded maxillary permanent incisors treated with orthodontic extrusion, compared with a retrospective control group of 29 teeth that underwent spontaneous re-eruption. The success rate of tooth repositioning, as well as pulp condition, periodontal healing, and root development were assessed and compared.

Results: The success rate of orthodontic extrusion was 96.4%, excluding one tooth that was ankylosed before treatment. There were no significant differences in pulp condition between the orthodontic extrusion and control groups for teeth with immature root development. Teeth with mature root development in the orthodontic group, however, showed a significantly higher rate of pulp necrosis (100%, p < .05). Periodontal healing outcomes were similar across both groups, regardless of the maturity of root development. The root length continued increasing during orthodontic extrusion treatment.

Conclusions: Orthodontic extrusion treatment could effectively reposition moderately to severely intrusive permanent incisors, without increasing the risk of complications compared with spontaneous re-eruption.

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使用固定矫治器进行正畸挤压以治疗侵入性Luxation损伤：对 28 颗上颌恒切牙的前瞻性研究。

背景：目的：该研究旨在调查正畸挤压法治疗上颌恒切牙内陷的结果和并发症：设计：进行了一项前瞻性研究，涉及28颗接受正畸挤压治疗的入侵上颌恒切牙，并与29颗接受自发再拔牙治疗的回顾性对照组进行了比较。对牙齿复位成功率、牙髓状况、牙周愈合和牙根发育情况进行了评估和比较：结果：正畸挤压的成功率为 96.4%，其中不包括一颗治疗前已强直的牙齿。对于牙根发育不成熟的牙齿，正畸挤压组和对照组的牙髓状况没有明显差异。然而，正畸组牙根发育成熟的牙齿的牙髓坏死率明显更高（100%，P 结论：正畸挤压治疗可有效改善牙髓坏死率，并减少牙髓损伤：与自发再萌相比，正畸挤压治疗可以有效地将中度至重度侵入性恒切牙复位，而不会增加并发症的风险。

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来源期刊

International journal of paediatric dentistry 医学-小儿科

CiteScore

5.50

自引率

2.60%

发文量

审稿时长

6-12 weeks

期刊介绍： The International Journal of Paediatric Dentistry was formed in 1991 by the merger of the Journals of the International Association of Paediatric Dentistry and the British Society of Paediatric Dentistry and is published bi-monthly. It has true international scope and aims to promote the highest standard of education, practice and research in paediatric dentistry world-wide. International Journal of Paediatric Dentistry publishes papers on all aspects of paediatric dentistry including: growth and development, behaviour management, diagnosis, prevention, restorative treatment and issue relating to medically compromised children or those with disabilities. This peer-reviewed journal features scientific articles, reviews, case reports, clinical techniques, short communications and abstracts of current paediatric dental research. Analytical studies with a scientific novelty value are preferred to descriptive studies. Case reports illustrating unusual conditions and clinically relevant observations are acceptable but must be of sufficiently high quality to be considered for publication; particularly the illustrative material must be of the highest quality.