Assessment of Oral Health-Related Quality of Life Using the Oral Impacts on Daily Performance (OIDP) Index

Articles in Press

Document Type : Original Article

Authors

Department of Dentistry, Razavi Hospital, Imam Reza International University, Mashhad, Iran

Abstract

Background: The Oral Impact on Daily Performance (OIDP) index is a key indicator that evaluates how individuals' oral health conditions affect their ability to perform daily activities.
 
Objectives: This study aimed to evaluate oral health-related quality of life (OHRQoL) via the OIDP index among patients visiting the dental clinic at Razavi Hospital.
 
Methods: This cross-sectional study was conducted on 100 systemically healthy adults attending the dental clinic at Razavi Hospital. Demographic data, oral hygiene behaviors, and dental visit history were collected through a questionnaire. OHRQoL was assessed using the validated Persian version of the OIDP index. Clinical oral health status was evaluated by measuring the decayed, missing, and filled teeth (DMFT) index and Bleeding on Probing (BOP). Data were analyzed using Fisher's Exact Test, Pearson correlation, and independent t-test. P-values lower than 0.05 were considered statistically significant.
 
Results: Of the 100 participants (68% female, mean age 52.25 ± 15.00 years), 75% reported at least one daily activity affected by oral health in the past six months. Eating food (51%), smiling (17%), and social interaction (16%) were the activities most impacted. Toothache (59%) was the leading cause of functional limitations. The mean OIDP score was 6.52 ± 6.10. OIDP scores were significantly correlated with age (r = 0.243, P = 0.015) and DMFT (r = 0.421, P < 0.001), but not with brushing frequency or dental visit frequency. No significant difference in OIDP scores was found between individuals with BOP-positive and BOP-negative results.
 
Conclusion: The impact of oral and dental health on patients' quality of life was considerable, with dental pain being the most common contributing factor. Higher impact levels were significantly associated with increasing age and higher DMFT scores.
 

Keywords

Acknowledgements: The authors would like to express their sincere gratitude to the Department of Dentistry, Razavi Hospital, affiliated with Imam Reza International University, for their support and collaboration in conducting this study..

 

Availability of data and materials: The dataset will be available upon reasonable request from the corresponding author.

 

Conflicts of interests: The authors have no relevant conflict interests to declare.

 

Consent for publication: Not applicable.

 

Ethics approval and consent to participate: Written informed consent was obtained from all participants prior to their inclusion in the study. All collected data were anonymized to ensure participant privacy. All procedures were performed in accordance with the ethical standards of the Declaration of Helsinki and relevant national/institutional guidelines.

 

Financial disclosure: No financial support was received for this study.

 

Author contributions: Conceptualization, project administration, and reviewing the manuscript: Sara Esfandi. Methodology, data analysis, and writing the initial draft of the manuscript: Mohammad Harati.

 

Open Access Policy: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/

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Razavi Journal of Medicine

Articles in Press, Accepted Manuscript
Available Online from 22 July 2025

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