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The
prevalence of persistent complaints of oral dryness has been examined
in different populations in a number of studies (Nederfors,
2000; Field
et al., 2001; Pajukoski
et al., 2001; Ikebe
et al., 2001; Sreebny,
2000; van
der Putten, et al., 2003; Guggenheimer,
2003).
- In the
general population: approximately 10% of respondents report
daily xerostomia;
- In elderly
populations (>65 years old): the prevalence approaches 25%;
and
- In institutionalized
elders: rates may be as high as 45-50%.
The prevalence
increases:
- As the
number of prescription medications taken increases;
- With the
number of medical conditions present; and
- With age
(discussed in more detail in the next section).
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