Impact of Z-spring appliance and clear aligner therapy on oral microorganisms in children: A clinical trial.

IF 1.5 4区医学 Q2 MEDICINE, GENERAL & INTERNAL

Saudi Medical Journal Pub Date : 2025-07-01 DOI:10.15537/smj.2025.46.7.20250264

İrem Kapicıi, Özge Erken Güngör, Kubra Yildirim, Cemilenur Atas, Ahmet Yilmaz Coban

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Abstract

Objectives: To evaluate the effect of Z-spring appliance and clear aligners, used in anterior crossbite treatment, on dental plaque colonization in children.

Methods: A 2-arm randomized controlled trial included 30 patients aged 7-12 years with anterior crossbite. Participants were divided into 2 groups: clear aligner (group A, n=15) and Z-spring appliance (group B, n=15). Dental plaque samples were collected at treatment initiation and completion, inoculated onto selective media, and analyzed for colony counts (cfu/ml) of Streptococcus mutans (S. mutans), Streptococcus mitis (S. mitis), Streptococcus salivarius (S. salivarius), and Candida albicans (C. albicans).

Results: In group A, S. mutans counts significantly increased (p=0.006), while C. albicans counts decreased (p=0.039). In group B, S. mutans counts significantly decreased (p=0.002). No significant changes were observed in S. salivarius or S. mitis counts in either group.

Conclusion: Short-term clear aligner use in children increases S. mutans colonization, suggesting a potential risk for dental caries with prolonged treatment. Early preventive measures are crucial to mitigate this risk and ensure better oral health outcomes.ClinicalTrials.gov Reg. No. ID: NCT06858033.

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Z-spring矫治器和清除矫正器治疗对儿童口腔微生物的影响：一项临床试验。

目的：评价Z-spring矫治器和透明矫正器在儿童前牙合治疗中对牙菌斑定植的影响。方法：采用2组随机对照试验，纳入30例7 ~ 12岁的前牙合患者。参与者分为两组：清牙矫正器（A组，n=15）和Z-spring矫治器（B组，n=15）。在治疗开始和结束时收集牙菌斑样本，接种于选择性培养基上，分析变形链球菌（S. mutans）、唇形链球菌（S. mitis）、唾液链球菌（S. salivarius）和白色念珠菌（C. albicans）的菌落计数（cfu/ml）。结果：A组变形链球菌计数明显增加（p=0.006），白色念珠菌计数明显减少（p=0.039）。B组变形链球菌计数明显减少（p=0.002）。两组的唾液链球菌和密氏链球菌计数均未见明显变化。结论：儿童短期使用清洁矫正器会增加变形链球菌的定植，提示长期使用可能会导致龋齿。早期预防措施对于减轻这种风险和确保更好的口腔健康结果至关重要。否。ID: NCT06858033。

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来源期刊

Saudi Medical Journal 医学-医学：内科

CiteScore

2.30

自引率

6.20%

发文量

203

审稿时长

12 months

期刊介绍： The Saudi Medical Journal is a monthly peer-reviewed medical journal. It is an open access journal, with content released under a Creative Commons attribution-noncommercial license. The journal publishes original research articles, review articles, Systematic Reviews, Case Reports, Brief Communication, Brief Report, Clinical Note, Clinical Image, Editorials, Book Reviews, Correspondence, and Student Corner.