Masticatory function in growing individuals with hypohidrotic ectodermal dysplasia: A longitudinal study.

IF 2.3 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

International journal of paediatric dentistry Pub Date : 2024-09-15 DOI:10.1111/ipd.13271

Meili Ding, Yanfeng Kang, Man Qin, Junxia Zhu

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引用次数: 0

Abstract

Background: Hypohidrotic ectodermal dysplasia (HED) is a hereditary disorder with agenesis of ectodermal derivatives, causing oligodontia or anodontia. Dentures are needed to improve the patients' mastication.

Aim: This study aimed at preliminarily evaluating the masticatory function changes in Chinese individuals with HED after prosthetic rehabilitation from childhood to adolescence.

Design: This longitudinal study enrolled 10 HED patients. Data were collected during childhood and adolescence, respectively. The healthy children and adolescents were recruited as the control group. The surface electromyography (EMG) of masseter (MM) and anterior temporalis (TA) muscles during clenching and chewing were recorded. The EMG activity, asymmetry index (As), activity index (Ac), and chewing cycle were analyzed. The masticatory efficiency was measured by spectrophotometry with subjective masticatory ability assessed by a questionnaire.

Results: The EMG activities and masticatory efficiency of HED patients during childhood and adolescence were mostly lower with a higher As (p < .05). The chewing process enhanced the TA activity and balanced the As of HED adolescents (p > .05). The HED adolescents showed a more prevalent TA activity (p < .05).

Conclusion: The masticatory function of the growing HED patients was functionally inferior to the dentate individuals with a narrowed gap from childhood to adolescence.

查看原文本刊更多论文

发育不全外胚层发育不良患者的咀嚼功能：一项纵向研究。

背景：低湿性外胚层发育不良（HED）是一种遗传性外胚层衍生物发育不全的疾病，可导致少牙合或无牙合。目的：本研究旨在初步评估中国HED患者从儿童期到青少年期修复后咀嚼功能的变化：本纵向研究共纳入 10 名 HED 患者。数据分别在儿童期和青少年期收集。对照组为健康儿童和青少年。研究记录了咬紧牙和咀嚼时咀嚼肌（MM）和颞前肌（TA）的表面肌电图（EMG）。分析了肌电图活动、不对称指数（As）、活动指数（Ac）和咀嚼周期。通过分光光度法测量咀嚼效率，并通过问卷调查评估主观咀嚼能力：结果：HED 患者在儿童期和青少年期的肌电图活动和咀嚼效率大多较低，As 较高（p .05）。青少年 HED 患者的 TA 活动更为普遍（P.05）：发育期 HED 患者的咀嚼功能在功能上不如有牙者，从儿童期到青春期差距缩小。

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

International journal of paediatric dentistry 医学-小儿科

CiteScore

5.50

自引率

2.60%

发文量

审稿时长

6-12 weeks

期刊介绍： The International Journal of Paediatric Dentistry was formed in 1991 by the merger of the Journals of the International Association of Paediatric Dentistry and the British Society of Paediatric Dentistry and is published bi-monthly. It has true international scope and aims to promote the highest standard of education, practice and research in paediatric dentistry world-wide. International Journal of Paediatric Dentistry publishes papers on all aspects of paediatric dentistry including: growth and development, behaviour management, diagnosis, prevention, restorative treatment and issue relating to medically compromised children or those with disabilities. This peer-reviewed journal features scientific articles, reviews, case reports, clinical techniques, short communications and abstracts of current paediatric dental research. Analytical studies with a scientific novelty value are preferred to descriptive studies. Case reports illustrating unusual conditions and clinically relevant observations are acceptable but must be of sufficiently high quality to be considered for publication; particularly the illustrative material must be of the highest quality.