Mandibular lateral incisor-first premolar transposition in early mixed dentition: a rare case.

IF 1.2 4区 医学 Q4 DEVELOPMENTAL BIOLOGY
Oana Cella Andrei, Mirela Ileana Dinescu, Cătălina Farcaşiu, Adriana Bisoc, Daniela Ioana Tărlungeanu, Ruxandra Mărgărit
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引用次数: 0

Abstract

Dental transposition is an anomaly of eruption which is usually seen in the maxilla and rarely in the mandible. The mandibular lateral incisor's transposition with the permanent canine has a prevalence of less than 0.03%. The following case presents an even rarer situation, of a right lateral mandibular incisor that erupted in the place of the first premolar, in transposition with the temporary canine. In the first phase, a series of extractions have been performed, to ensure the necessary free space for moving the lateral incisor closer to its appropriate place, and after that a fixed orthodontic appliance was used. The biomechanics for intra-arch tooth movement was ingenious enough to ensure a perfect alignment of all permanent teeth and a functional Class I canine and molar final occlusion. Early intervention and successful move of the permanent canine in its correct position ensured the functionality of the mandibular movements and a good long-term prognosis.

早期混合牙列下颌侧切牙第一前磨牙移位:一例罕见病例。
牙齿移位是一种萌出异常,通常出现在上颌骨,很少出现在下颌骨。下颌侧切牙与永久性犬齿的移位发生率不到0.03%。以下病例出现了一种更罕见的情况,即右下颌侧切齿在第一前臼齿的位置突出,与临时性犬齿移位。在第一阶段,进行了一系列的拔除,以确保有必要的自由空间将侧切牙移近其合适的位置,然后使用固定的正畸矫治器。弓内牙齿运动的生物力学非常巧妙,可以确保所有恒牙的完美对齐,并实现功能性I类犬齿和磨牙的最终咬合。早期干预和成功地将永久犬移动到正确的位置确保了下颌运动的功能和良好的长期预后。
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来源期刊
CiteScore
1.70
自引率
20.00%
发文量
221
审稿时长
3-8 weeks
期刊介绍: Romanian Journal of Morphology and Embryology (Rom J Morphol Embryol) publishes studies on all aspects of normal morphology and human comparative and experimental pathology. The Journal accepts only researches that utilize modern investigation methods (studies of anatomy, pathology, cytopathology, immunohistochemistry, histochemistry, immunology, morphometry, molecular and cellular biology, electronic microscopy, etc.).
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