下颌隐形推进器治疗青少年骨骼ⅱ类错颌畸形的临床疗效及对颞下颌关节形态的影响。

IF 2 3区医学 Q2 Dentistry

Journal of Stomatology Oral and Maxillofacial Surgery Pub Date : 2025-08-12 DOI:10.1016/j.jormas.2025.102529

Yi Sun, Xiaoan Luo, Liping Huang, Jing Zhou, Jianlu Shi, Zhisheng Zhang

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引用次数: 0

摘要

目的：分析下颌隐形推进矫治器治疗青少年骨骼ⅱ类错颌畸形的临床疗效及其对颞下颌关节（TMJ）形态的影响。方法：将72例青少年骨骼ⅱ类错颌患者分为采用直丝矫治器治疗的对照组和采用下颌隐形推进矫治器治疗的研究组。比较两组患者治疗前后tmj相关角度、面部高度参数（SNA、SNB、ANB、MP-FH、N-Me、N-ANS、ANS-Me）、关节间隙测量、髁突尺寸、唇部参数（ULP、ULEP、LLEP）、z角、上呼吸道参数（Ba-PNS、Ad1-PNS、Ad2-PNS、Mc1Mc2、SPP-SPPW、UMPW、PAS、VLPW）的变化及临床疗效。结果：治疗后，研究组ANB、MP-FH、ANS-Me、关节间隙、髁内外侧宽度、z角值均显著高于对照组，N-Me、N-ANS、髁高度、髁前后径、ULP、ULEP、LLEP值均显著低于对照组。上气道参数方面，研究组患者Ad1-PNS、Ad2-PNS、Mc1Mc2、SPP-SPPW值较高。研究组临床疗效也较好，总有效率达94.44%。结论：下颌隐形推进矫治器治疗青少年骨骼ⅱ类错牙合临床疗效显著，可有效改善颞下颌关节形态，同时优化面部轮廓和气道功能。

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Clinical efficacy of invisible mandibular advancement appliances in treating adolescent skeletal class II malocclusion and their impact on temporomandibular joint morphology.

Objective: This study aims to analyze the clinical efficacy of invisible mandibular advancement appliances in treating adolescent skeletal Class II malocclusion and their impact on temporomandibular joint (TMJ) morphology.

Methods: Seventy-two adolescent patients with skeletal Class II malocclusion were divided into a control group treated with straight wire appliances and a study group treated with invisible mandibular advancement appliances. Changes in TMJ-related angles, facial height parameters, such as SNA, SNB, ANB, MP-FH, N-Me, N-ANS, ANS-Me, joint space measurements, condylar dimensions, lip parameters, including ULP, ULEP, LLEP, Z-angle, upper airway parameters, including Ba-PNS, Ad1-PNS, Ad2-PNS, Mc1Mc2, SPP-SPPW, UMPW, PAS, VLPW, and clinical efficacy were compared between the two groups before and after treatment.

Results: After treatment, the study group exhibited significantly higher values in ANB, MP-FH, ANS-Me, joint spaces, condylar mediolateral width, and Z-angle, while showing lower values in N-Me, N-ANS, condylar height, condylar anteroposterior diameter, ULP, ULEP, and LLEP compared to the control group. For upper airway parameters, the study group had higher values in Ad1-PNS, Ad2-PNS, Mc1Mc2, and SPP-SPPW. The study group also demonstrated superior clinical efficacy, achieving a total effective rate of 94.44%.

Conclusion: The invisible mandibular advancement appliance demonstrates significant clinical efficacy in treating adolescent skeletal Class II malocclusion, effectively improving TMJ morphology while simultaneously optimizing facial profile and airway function.

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来源期刊

Journal of Stomatology Oral and Maxillofacial Surgery Dentistry-Oral Surgery

CiteScore

2.20

自引率

9.10%

发文量

305

期刊介绍： J Stomatol Oral Maxillofac Surg publishes research papers and techniques - (guest) editorials, original articles, reviews, technical notes, case reports, images, letters to the editor, guidelines - dedicated to enhancing surgical expertise in all fields relevant to oral and maxillofacial surgery: from plastic and reconstructive surgery of the face, oral surgery and medicine, … to dentofacial and maxillofacial orthopedics. Original articles include clinical or laboratory investigations and clinical or equipment reports. Reviews include narrative reviews, systematic reviews and meta-analyses. All manuscripts submitted to the journal are subjected to peer review by international experts, and must: Be written in excellent English, clear and easy to understand, precise and concise; Bring new, interesting, valid information - and improve clinical care or guide future research; Be solely the work of the author(s) stated; Not have been previously published elsewhere and not be under consideration by another journal; Be in accordance with the journal''s Guide for Authors'' instructions: manuscripts that fail to comply with these rules may be returned to the authors without being reviewed. Under no circumstances does the journal guarantee publication before the editorial board makes its final decision. The journal is indexed in the main international databases and is accessible worldwide through the ScienceDirect and ClinicalKey Platforms.