一项前瞻性平行队列研究:远端喷射与牙齿支抗与远端喷射与骨骼支抗的比较

IF 0.5 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Open Dentistry Journal Pub Date : 2022-09-27 DOI:10.3390/dj10100179
F. Altieri, M. Mezio, Rosanna Guarnieri, M. Cassetta
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引用次数: 5

摘要

在上颌磨牙远端中使用传统的口腔内装置并非没有不良后果。本研究的目的是比较微型支架远端喷射矫治器与传统远端喷射矫治器,通过评估上颌第一磨牙远端化的数量和牙槽牙的副作用。对罗马大学正畸科600名患者的资料进行分析。只有46例患者符合纳入标准,并被选择和治疗。受试者被随机分配接受微型螺钉支持的远端喷射矫治器(A组)或传统的远端喷射矫治器(B组)的治疗。在A组中,微型螺钉使用计算机引导的手术指南插入。在数字铸型和侧位头颅x线片上评估上第一磨牙远端量和牙槽副副作用。采用描述性统计分析,包括平均值和标准差,评价两组的磨牙远端和牙槽牙的影响。使用学生t检验确定组间差异。p≤0.05为显著性。A组上颌第一磨牙远端、第一前磨牙自发远端、中切牙腭倾斜。B组第一前磨牙中尖,上颌中切牙前倾。在两组中,牙弓的横向宽度增加,而b组观察到第一前磨牙更倾向于挤压和上颌第一磨牙旋转。骨骼支抗装置实现了更大的第一磨牙远端,并且没有引起牙槽-牙槽的副作用。
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Comparing Distal-Jet with Dental Anchorage to Distal-Jet with Skeletal Anchorage: A Prospective Parallel Cohort Study
The use of traditional intra-oral devices in maxillary molar distalization is not without undesirable consequences. The aim of the present study was to compare the miniscrew-supported distal-jet appliance to a traditional distal-jet appliance by evaluating the amount of upper first molar distalization and the dentoalveolar side effects. Data of 600 subjects visited at the orthodontic unit of Sapienza University of Rom were analyzed. Only 46 patients met the inclusion criteria and were selected and treated. Subjects were assigned randomly to receive treatment either with miniscrew-supported distal-jet appliance (Group A) or with a traditional distal-jet appliance (Group B). In Group A, miniscrews were inserted using a computer-guided surgical guide. The amount of upper first molar distalization and the dentoalveolar side effects were assessed both on the digital casts and on the lateral cephalometric radiograph at the end of the distalization phase. A descriptive statistical analysis that included the mean values and the standard deviation was conducted to evaluate the molar distalization and the dentoalveolar effects in two groups. Intergroup differences were determined using the Student’s t-test. The significance was set at p ≤ 0.05. In Group A, greater maxillary first molar distalization and a spontaneous distalization of the first premolars and a palatal inclination of central incisors were observed. By contrast, in Group B, the first premolars tipped mesially and a proclination of the maxillary central incisors was observed. In both groups, the transverse widths of the dental arch increased while a greater tendency of first premolar extrusion and of maxillary first molar rotation was observed in Group B. The skeletal anchorage device achieved greater first molar distalization and did not cause dento-alveolar side effects.
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来源期刊
Open Dentistry Journal
Open Dentistry Journal DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
2.00
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发文量
86
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