The effects of low-yield nicotine cigarette smoke inhalation on orthodontic tooth movement.

IF 2.3 3区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Korean Journal of Orthodontics Pub Date : 2025-09-09 DOI:10.4041/kjod25.005

Burak Gulnar, Ahsen Gulnar, Alperen Kamiloglu, Peter Petocz, Ersan Karadeniz, Carmen Gonzales Karadeniz

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引用次数: 0

Abstract

Objective: This study aimed to investigate the effects of low-nicotine cigarette smoke (CS) inhalation on orthodontic tooth movement (OTM) in rats.

Methods: Forty 4-week-old male Wistar rats, were randomly divided into four groups: three experimental and one control. Group 1 (control group) had dental impressions taken at week 9. Group 2: OTM group received a continuous mesially directed force applied to the maxillary first molar at week 9 for 4 weeks. Group 3: CS group rats had 9 weeks of CS inhalation; Group 4: CS + OTM group, 9 weeks of CS inhalation and 4 weeks of orthodontic force application. Rats in groups 3 (CS) and 4 (CS + OTM) were exposed to 10 cigarettes for 8 minutes, 3 times per day for 9 weeks. All groups had polyvinyl siloxane impressions taken at week 9 and at the end of the experimental period (week 13). At week 13, all rats were sacrificed under general anesthesia, and their maxillae were dissected and scanned using a TRIOS 2014-1 intraoral scanner. The tooth movements were measured using digital models.

Results: A slight increase in tooth movement rate was observed in smokers. However, this difference was not statistically significant.

Conclusions: CS inhalation did not increase the rate of OTM in rats.

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低产量尼古丁香烟烟雾吸入对正畸牙齿运动的影响。

目的：探讨低尼古丁香烟烟雾（CS）吸入对大鼠正畸牙齿运动的影响。方法：选取44周龄雄性Wistar大鼠，随机分为4组：试验组3只，对照组1只。第1组（对照组）于第9周行牙印。组2:OTM组于第9周对上颌第一磨牙连续施加近中定向力，持续4周。第三组：CS组大鼠吸入CS 9周；第4组：CS + OTM组，CS吸入9周，正畸力施加4周。第3组（CS）和第4组（CS + OTM）每天3次，10支香烟，每次8分钟，连续9周。各组在第9周和实验结束时（第13周）均取聚乙烯醇硅氧烷印迹。第13周，所有大鼠全麻处死，解剖上颌骨，使用TRIOS 2014-1型口内扫描仪扫描。使用数字模型测量牙齿的运动。结果：吸烟者的牙齿移动速度略有增加。然而，这种差异在统计学上并不显著。结论：吸入CS未增加大鼠OTM的发生率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Korean Journal of Orthodontics DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.50

自引率

10.50%

发文量

审稿时长

>12 weeks

期刊介绍： The Korean Journal of Orthodontics (KJO) is an international, open access, peer reviewed journal published in January, March, May, July, September, and November each year. It was first launched in 1970 and, as the official scientific publication of Korean Association of Orthodontists, KJO aims to publish high quality clinical and scientific original research papers in all areas related to orthodontics and dentofacial orthopedics. Specifically, its interest focuses on evidence-based investigations of contemporary diagnostic procedures and treatment techniques, expanding to significant clinical reports of diverse treatment approaches. The scope of KJO covers all areas of orthodontics and dentofacial orthopedics including successful diagnostic procedures and treatment planning, growth and development of the face and its clinical implications, appliance designs, biomechanics, TMJ disorders and adult treatment. Specifically, its latest interest focuses on skeletal anchorage devices, orthodontic appliance and biomaterials, 3 dimensional imaging techniques utilized for dentofacial diagnosis and treatment planning, and orthognathic surgery to correct skeletal disharmony in association of orthodontic treatment.