缺失上颌侧切牙患者的牙齿和骨骼特征:一项病例对照回顾性研究。

IF 1.1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Rosanna Guarnieri, Serena Bertoldo, Gabriella Galluccio, Michele Cassetta, Ersilia Barbato, Roberto DI Giorgio
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引用次数: 0

摘要

背景:本研究的目的是探讨上颌侧切牙缺失与牙齿中-远端直径的关系。分析了患者的咬合和骨骼特征。方法:纳入79例患者(恒牙列,平均年龄13.7岁),单侧或双侧上颌侧门牙发育不全患者30例(研究组,SG),无上颌侧门牙发育不全患者49例(对照组,CG)。采用矫形术、石膏模型和头颅测量分析进行评估。结果:与中西医结合组相比,中西医结合组大多数牙的中西医结合直径较小。在双侧发育亚组中,牙齿直径的平均差异低于单侧发育亚组和SG组的差异。SG的平均超喷减小。上牙弓中交叉咬合和剪刀型咬合较少,至少一颗牙嵌塞和其他牙齿发育不全的频率较少,仅下牙弓拥挤,上牙弓呈方形或卵圆形,下牙弓呈方形,牙间角增加,SN^GoMe降低。结论:上侧切牙发育不全,尤其是单侧切牙发育不全,与MD牙复位有关。上侧切牙发育不全与影响其他牙齿(磨牙和犬牙II类)发育不全的可能性较大有关,减少了上牙弓的覆盖和覆盖,方形或卵形上牙弓形状,增加了内牙角和减少了总散度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dental and skeletal features in subjects with missing maxillary lateral incisors: a case control retrospective study.

Background: The aim of this study was to investigate the relationship between missing maxillary lateral incisors and the mesio-distal (MD) diameters of the teeth. Occlusal and skeletal characteristics of the patients have been analyzed.

Methods: Seventy-nine patients were included in the study (permanent dentition, mean age: 13.7): 30 subjects with uni- or bilateral maxillary lateral incisors agenesis (study group, SG) and 49 patients with no maxillary lateral incisors agenesis (control group, CG). Orthopanoramics, plaster models and cephalometric analysis were used to perform the evaluations.

Results: Compared to the CG, in the SG, most of the teeth had smaller MD diameter. In the bilateral agenesis subgroup, the average differences between teeth diameters were lower than those found by comparing them to the unilateral agenesis subgroup and to the SG. Overjet was reduced on average in the SG. In the SG were found less cases of cross-bite and scissor-bite, less frequency of impaction of at least one tooth and agenesis of other teeth, crowding only in the lower arch, square or ovoid arch shape in the upper arch and square in the lower arch, increased interincisal angle and decreased SN^GoMe.

Conclusions: Upper lateral incisors agenesis, especially in cases of unilateral agenesis, is associated with MD teeth reduction. The agenesis of the upper lateral incisors is associated with a greater probability of agenesis affecting other teeth, molar and canine class II, reduced overjet and overbite, square or ovoid upper arch shapes, increased interincisal angle and reduced total divergence.

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来源期刊
Minerva dental and oral science
Minerva dental and oral science DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
2.50
自引率
5.00%
发文量
61
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