Effect of wire diameter and extent of wire composite splint on the mobility of luxated and anchor primary teeth: A typodont study

IF 2.3 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Dental Traumatology Pub Date : 2024-01-25 DOI:10.1111/edt.12936

Mohammad Atif, Saurabh Sharma, Nitesh Tewari, Morankar Rahul, Vijay Prakash Mathur, Kalpana Bansal

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Abstract

Background/Aims

The recommendations for splinting are well established for the injuries of permanent dentition; however, ambiguity still exists for the injuries in primary dentition. Hence, this study aimed to determine the most appropriate dimensions of stainless steel wire and its extent, for achieving the physiologic mobility in primary dentition.

Material and Methods

This study was designed as an in vitro experiment by using a typodont model of primary dentition. The baseline mobility of primary maxillary incisors was calibrated to the physiologic mobility of natural primary incisors by using a Teflon tape wrapped around the roots of resin teeth. Splinting was done using a stainless steel wire of 0.2 mm (Group I), 0.3 mm (Group II), and 0.4 mm (Group III). These groups were subdivided (a, b, and c) on the basis of the extent of the splint, and pre splint mobility (Pre-PV) and post-splint mobility (Post-PV) were tested by Periotest M. The splint effect was calculated by subtracting Post-PVs and Pre-PVs.

Results

The normal values of mobility in healthy human volunteers ranged from 10.5 to 13. The overall splint effect was higher in Group III irrespective of the extent of the splint, whereas it was found to be the lowest in Group I (b and c). The splint effect increased with the extent of the splint in all the groups. Among all the groups, the splint effect on the anchor teeth was observed to increase with the extent of the splint and the diameter of the wire.

Conclusion

The mobility of the injured and anchor teeth splinted with 0.2-mm stainless steel wire was similar to the pre-splint and physiologic mobility. The most favorable extension was one tooth adjacent to the injured tooth on each side for both 0.2- and 0.3-mm wires.

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钢丝直径和钢丝复合夹板的范围对松动和固定基牙活动度的影响：类型牙研究。

背景/目的：针对恒牙列损伤的夹板建议已经非常成熟，但针对基牙损伤的建议仍不明确。因此，本研究旨在确定最合适的不锈钢丝尺寸及其范围，以实现基牙的生理活动度：本研究使用基牙模型进行体外实验。用特氟龙胶带缠绕树脂牙的牙根，将上颌原切牙的基线活动度校准为天然原切牙的生理活动度。使用 0.2 毫米（第一组）、0.3 毫米（第二组）和 0.4 毫米（第三组）的不锈钢丝进行夹板固定。根据夹板的范围将这些组别细分为 a、b 和 c 组，并用 Periotest M 测试夹板前活动度（Pre-PV）和夹板后活动度（Post-PV）：结果：健康志愿者的活动度正常值为 10.5 至 13。无论夹板的程度如何，第三组的总体夹板效果都较高，而第一组的夹板效果最低（b 和 c）。各组的夹板效果都随着夹板范围的增加而增加。在所有组别中，锚牙的夹板效果随着夹板范围和钢丝直径的增加而增加：结论：使用 0.2 毫米不锈钢丝夹板的受伤牙齿和固定牙齿的活动度与夹板前和生理活动度相似。对于 0.2 毫米和 0.3 毫米的钢丝，最有利的延伸范围是每侧受伤牙齿的邻近牙齿。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Dental Traumatology 医学-牙科与口腔外科

CiteScore

6.40

自引率

32.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Dental Traumatology is an international journal that aims to convey scientific and clinical progress in all areas related to adult and pediatric dental traumatology. This includes the following topics: - Epidemiology, Social Aspects, Education, Diagnostics - Esthetics / Prosthetics/ Restorative - Evidence Based Traumatology & Study Design - Oral & Maxillofacial Surgery/Transplant/Implant - Pediatrics and Orthodontics - Prevention and Sports Dentistry - Endodontics and Periodontal Aspects The journal"s aim is to promote communication among clinicians, educators, researchers, and others interested in the field of dental traumatology.