Assessing the Association Between Occlusal Characteristics and Sleep Quality and Stress Levels: A Cross-Sectional Study

Malocclusion can arise due to various causes and may impact not only temporomandibular joint (TMJ) disorders but also overall systemic health. This study aimed to evaluate the association of individual occlusal characteristics with sleep quality and stress levels in female college students. Occlusal...

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Main Authors: Eun-Ha Jung, Mi-Kyoung Jun
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Hygiene
Subjects:
Online Access:https://www.mdpi.com/2673-947X/5/2/25
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author Eun-Ha Jung
Mi-Kyoung Jun
author_facet Eun-Ha Jung
Mi-Kyoung Jun
author_sort Eun-Ha Jung
collection DOAJ
description Malocclusion can arise due to various causes and may impact not only temporomandibular joint (TMJ) disorders but also overall systemic health. This study aimed to evaluate the association of individual occlusal characteristics with sleep quality and stress levels in female college students. Occlusal analysis was conducted using T-Scan III on 84 participants (age: 21.7 ± 2.09), while sleep quality and stress levels were assessed using the Korean version of the Pittsburgh Sleep Quality Index and self-reported stress questionnaires, respectively. Sleep quality was categorized as “good sleeper” (≤5 points) or “poor sleeper” (>5 points). Stress levels were classified as Normal (≤13), Initial stress (14–16), Moderate stress (17–18), or Severe stress (≥19). The results indicated no significant differences in sleep quality based on occlusal characteristics. However, participants with Type A occlusion (posterior contact without anterior contact) exhibited higher stress scores than those with Type B occlusion. Correlation analysis showed a weak negative association between stress scores and occlusion type, but no significant relationship was found between occlusal characteristics, sleep quality, and stress levels. In conclusion, individual occlusal characteristics have limited explanatory power regarding their effects on sleep quality and stress.
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spelling doaj-art-c75fa774fce6401a88bb9e5d62b43d442025-06-25T13:56:27ZengMDPI AGHygiene2673-947X2025-06-01522510.3390/hygiene5020025Assessing the Association Between Occlusal Characteristics and Sleep Quality and Stress Levels: A Cross-Sectional StudyEun-Ha Jung0Mi-Kyoung Jun1Department of Dental Hygiene, College of Science and Technology, Kyungpook National University, Sangju 37224, Republic of KoreaDepartment of Dental Hygiene, Dongnam Health University, Suwon 16328, Republic of KoreaMalocclusion can arise due to various causes and may impact not only temporomandibular joint (TMJ) disorders but also overall systemic health. This study aimed to evaluate the association of individual occlusal characteristics with sleep quality and stress levels in female college students. Occlusal analysis was conducted using T-Scan III on 84 participants (age: 21.7 ± 2.09), while sleep quality and stress levels were assessed using the Korean version of the Pittsburgh Sleep Quality Index and self-reported stress questionnaires, respectively. Sleep quality was categorized as “good sleeper” (≤5 points) or “poor sleeper” (>5 points). Stress levels were classified as Normal (≤13), Initial stress (14–16), Moderate stress (17–18), or Severe stress (≥19). The results indicated no significant differences in sleep quality based on occlusal characteristics. However, participants with Type A occlusion (posterior contact without anterior contact) exhibited higher stress scores than those with Type B occlusion. Correlation analysis showed a weak negative association between stress scores and occlusion type, but no significant relationship was found between occlusal characteristics, sleep quality, and stress levels. In conclusion, individual occlusal characteristics have limited explanatory power regarding their effects on sleep quality and stress.https://www.mdpi.com/2673-947X/5/2/25dental occlusionsleep qualitystress levels
spellingShingle Eun-Ha Jung
Mi-Kyoung Jun
Assessing the Association Between Occlusal Characteristics and Sleep Quality and Stress Levels: A Cross-Sectional Study
Hygiene
dental occlusion
sleep quality
stress levels
title Assessing the Association Between Occlusal Characteristics and Sleep Quality and Stress Levels: A Cross-Sectional Study
title_full Assessing the Association Between Occlusal Characteristics and Sleep Quality and Stress Levels: A Cross-Sectional Study
title_fullStr Assessing the Association Between Occlusal Characteristics and Sleep Quality and Stress Levels: A Cross-Sectional Study
title_full_unstemmed Assessing the Association Between Occlusal Characteristics and Sleep Quality and Stress Levels: A Cross-Sectional Study
title_short Assessing the Association Between Occlusal Characteristics and Sleep Quality and Stress Levels: A Cross-Sectional Study
title_sort assessing the association between occlusal characteristics and sleep quality and stress levels a cross sectional study
topic dental occlusion
sleep quality
stress levels
url https://www.mdpi.com/2673-947X/5/2/25
work_keys_str_mv AT eunhajung assessingtheassociationbetweenocclusalcharacteristicsandsleepqualityandstresslevelsacrosssectionalstudy
AT mikyoungjun assessingtheassociationbetweenocclusalcharacteristicsandsleepqualityandstresslevelsacrosssectionalstudy