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Measuring the Effect of Intra-oral Implant Rehabilitation on Health-related Quality of Life in a Randomized Controlled Clinical Trial

McGill University Faculty of Dentistry, 3640 University Street, Montreal, Quebec H3A 2B2, Canada

D. Locker

; Community Dental Health Services Research Unit, University of Toronto, Canada

N. Korner-Bitensky

MCoill University School of Physical and Occupational Therapy

J.S. Feine

McGill University Faculty of Dentistry, 3640 University Street, Montreal, Quebec H3A 2B2, Canada, McGill University Faculty of Medicine, Joint Depts. of Epidemiology and Biostatistics, and Occupational Health, Jewish General Hospital, Lady Davis Institute for Medical Research, McGill University, Faculty of Medicine, Dept. of Oncology, feine{at}med.megill.ca

The importance of assessing the impact of treatments for chronic conditions on an individual's quality of life has been well-established. In this randomized clinical trial, oral-health-rclated quality of life, measured with the Oral Health Impact Profile (OHIP), was compared between two groups of edentulous patients. One group (n = 54) received mandibular implant-supported overdentures, and the other group (n = 48) received conventional dentures. Assessments were performed pre-treatment and two months after the prostheses were delivered. The multivariate model showed that implant treatment was significantly associated with lower post-treatment OHIP scores (p = 0.0002), indicating a better quality of life. In addition, pre-treatment OHIP scores, treatment allocation, age, sex, and marital status explained 31% of the variation in post-treatment OHIP scores (F = 0.0001). These results suggest that implant treatment provides significant short-term improvement over conventional treatment in oral-health-related quality of life.

Key Words: oral health • implant prostheses • measurement and quality of life.

Journal of Dental Research, Vol. 79, No. 9, 1659-1663 (2000)
DOI: 10.1177/00220345000790090401


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