背景:透明矫正器疗法已成为一种微创正畸治疗选择。然而,它对咀嚼肌肉组织和口颌系统的影响是一个越来越感兴趣的领域,因为它涉及咬合和牙齿移动的调整。本系统综述旨在全面评估和综合有关透明矫正器疗法对咀嚼肌肉组织和口颌系统的影响的现有证据。
方法:对符合PRISMA指南的电子数据库进行了详尽的检索。包括评估接受矫正器正畸治疗的患者对咀嚼和口颌系统肌肉影响的临床研究。为相关变量设计了标准化的数据提取表。两个审阅者提取了数据变量。在选定的研究中使用ROB-2进行偏倚评估。
结果:共有6项研究符合纳入标准。透明矫正器的佩戴显着影响咀嚼肌肉。肌肉活动和不适在器械放置的最初几天显示出显着变化。但是这种观察是暂时的,此后在后续随访中没有明显变化。还注意到咬力降低。所有评估的研究均显示出良好的方法学质量。
结论:评论发现,对齐的正畸治疗可能会对咀嚼肌肉产生不同的影响,症状有可能最初恶化,然后可能得到改善。然而,由于研究数量有限及其异质性,建议进一步进行有力的研究,以充分了解正畸治疗与咀嚼肌之间的关系。
BACKGROUND: Clear aligner therapy has gained popularity as a minimally invasive orthodontic treatment option. However, its impact on the masticatory musculature and the stomatognathic system is an area of growing interest, as it involves the adjustment of occlusion and tooth movement. This systematic review aims to comprehensively assess and synthesise existing evidence regarding the influence of clear aligner therapy on the masticatory musculature and the stomatognathic system.
METHODS: An exhaustive search was performed on electronic databases that adhered to PRISMA
guidelines. Clinical studies that evaluated the impact of patients receiving aligner orthodontic treatment on the muscles of the mastication and stomatognathic systems were included. A standardised data extraction form was devised for relevant variables. Two reviewers extracted the data variables. ROB-2 was used for bias evaluation in the selected studies.
RESULTS: A total of six studies met the inclusion criteria. The wearing of clear aligners significantly impacted the muscles of mastication. Muscle activity and discomfort showed a significant alteration in the initial days of appliance placement. but this observation was temporary, with no significant changes thereafter in subsequent follow-up. Bite force reduction was also noted. All the studies evaluated showed good methodological quality.
CONCLUSIONS: The review found that aligned orthodontic treatment may have a variable impact on muscles of mastication, with a potential for initial exacerbation of symptoms followed by possible improvement. However, due to the limited number of studies and their heterogeneous nature, further robust research is recommended to fully understand the relationship between aligned orthodontic treatment and masticatory muscles.