Yuvashree C S, Jain Ravindra Kumar, Prasad Arya S
Department of Orthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India.
J Adv Pharm Technol Res. 2022 Nov;13(Suppl 1):S45-S49. doi: 10.4103/japtr.japtr_121_22. Epub 2022 Nov 30.
Mandibular anterior crowding is caused by a variety of factors. Mandibular incisor crowding can be caused by a number of causes including incisor and molar inclination, early loss of deciduous molars, mandibular growth, and oral musculature. The study was aimed to perform an association of the lower anterior crowding severity with gender and type of malocclusion. The current study was performed in a hospital setup and data about mandibular arch crowding patients were collected from the Records management system of a Private Dental Hospital in Chennai city. All the patient data on Mandibular arch crowding were sourced and tabulated after which statistical analysis with SPSS-IBM was done. Data collection was done over a period from June 2019 to February 2021. The entire study sample size was 634 case records. The result obtained from the statistical analysis was found that nearly 46% of the patients were found to have Mandibular arch crowding with female predilection (50%). The most commonly associated age groups were children than adults (63.2%) associated with mild type of crowding (65.1%). The most commonly involved malocclusion was found to be Class 1 (88.4%) Mild imbrications of the lower arch were common and were seen mainly in subjects with Class I malocclusion. Female subjects presented with more prevalence of mandibular arch crowding when compared to male subjects. Children were more affected by crowding than adults.
下颌前牙拥挤由多种因素引起。下颌切牙拥挤可能由多种原因导致,包括切牙和磨牙倾斜、乳牙早失、下颌生长以及口腔肌肉组织等。该研究旨在探讨下前牙拥挤严重程度与性别及错牙合类型之间的关联。本研究在医院环境中进行,有关下颌牙弓拥挤患者的数据从钦奈市一家私立牙科医院的记录管理系统中收集。所有下颌牙弓拥挤患者的数据均被收集并制成表格,之后使用SPSS-IBM进行统计分析。数据收集时间为2019年6月至2021年2月。整个研究样本量为634份病例记录。统计分析结果显示,近46%的患者存在下颌牙弓拥挤,其中女性占比更高(50%)。最常涉及的年龄组是儿童,而非成人(63.2%),且多为轻度拥挤(65.1%)。最常见的错牙合类型为I类(88.4%)。下颌牙弓轻度重叠较为常见,主要见于I类错牙合患者。与男性受试者相比,女性受试者下颌牙弓拥挤的患病率更高。儿童比成人更容易受到拥挤的影响。