Xerostomia in 75-85-year-olds: A longitudinal population study.

Area of Science:

• Gerontology
• Oral Health
• Epidemiology

Background:

• Xerostomia, or dry mouth, presents considerable challenges for the elderly population.
• Understanding the changes in xerostomia over time is crucial for geriatric care.

Purpose of the Study:

• To longitudinally investigate the prevalence, persistence, progression, remission, and incidence of xerostomia.
• To analyze these changes in individuals aged 75 to 85 years.

Main Methods:

• A cohort of 75-year-olds from two Swedish counties were surveyed in 2007 and again at age 85 in 2017.
• Data from 1701 individuals who participated in both surveys were analyzed.

Main Results:

• Self-reported xerostomia prevalence doubled from 6.2% at age 75 to 11.3% at age 85, with higher rates in women.
• Overall xerostomia (frequent or sometimes) increased from 33.4% to 49.0%, particularly at night.
• Protective factors against developing xerostomia at age 75 included good general/oral health, no medications, and good chewing function.

Conclusions:

• Xerostomia prevalence and incidence markedly increase between the ages of 75 and 85.
• Gender and oral health status are significant factors in the development and persistence of xerostomia in older adults.