使用新型w型环对第二颗乳牙早期脱落的空间维持

IF 0.6 Q4 DENTISTRY, ORAL SURGERY & MEDICINE

Pediatric Dental Journal Pub Date : 2024-12-01 DOI:10.1016/j.pdj.2024.09.002

Issei Saitoh , Yuria Hori , Mie Anayama-Kurosawa , Saeko Tsukuno , Yuki Kiyokawa , Masahiko Terajima

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引用次数: 0

摘要

为了保证牙齿和咬合的健康发育，由于乳牙早期脱落，需要使用各种间隙维持器来维持间隙。病例介绍：下颌第二乳牙拔除后，双侧采用w形环维持间隙。使用w形环进行空间维护，可以防止第一恒磨牙在萌牙时的近中偏移和倾斜，并通过将金属丝段与咬合平面平行定位，防止对牙过度萌牙。结论新研制的w型空间维持环克服了远端鞋空间维持环的缺点。

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Space maintenance for early loss of a second deciduous molar using the novel W-type loop

Background

To ensure healthy dental and occlusal development, various space maintainers are used to maintain gap spaces due to the early loss of deciduous teeth.

Case presentation

A W-shaped loop was used to maintain the gap between the extracted mandibular second deciduous molars bilaterally. Space maintenance using the W-shaped loop prevented mesial shift and inclination of the first permanent molars during eruption, and prevented the opposing teeth from overeruption by positioning the wire section parallel to the occlusal plane.