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. 2014 Jun;117(6):716-21.
doi: 10.1016/j.oooo.2014.03.001. Epub 2014 Mar 12.

Influence of xerostomia on oral health-related quality of life in the elderly: a 5-year longitudinal study

Kaori Enoki  1 , Ken-Ich Matsuda  2 , Kazunori Ikebe  3 , Shunsuke Murai  1 , Minoru Yoshida  4 , Yoshinobu Maeda  5 , William Murray Thomson  6
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Influence of xerostomia on oral health-related quality of life in the elderly: a 5-year longitudinal study

Kaori Enoki et al. Oral Surg Oral Med Oral Pathol Oral Radiol. 2014 Jun.

Abstract

Objective: Xerostomia and tooth loss are major oral health problems in the elderly. The aim of this longitudinal study was to characterize the influence of xerostomia on oral health-related quality of life (OHRQoL) among elderly Japanese people.

Study design: A total of 99 community-dwelling, independently living individuals aged 60 years and older were interviewed and underwent dental examination at baseline and at a 5-year follow-up. The Oral Health Impact Profile-14 and the Xerostomia Inventory were used to assess OHRQoL and xerostomia severity, respectively.

Results: Participants whose xerostomia worsened over the 5-year period had a significantly poorer follow-up OHRQoL. Linear regression models showed that tooth loss and worsening xerostomia were significant predictors of poorer follow-up OHRQoL.

Conclusions: Tooth loss and worsening xerostomia result in poorer OHRQoL among older Japanese people.

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