The aim of the present study was to evaluate oral health-related quality of life (OHRQoL) impairment in patients seeking care for their hypersensitive teeth in comparison with general population subjects and to investigate the influence of gender and age on OHRQoL in these populations. Study participants were 656 patients without removable prosthodontics who sought treatment for their hypersensitive teeth in German dental offices. These patients were asked to complete the German form of the Oral Health Impact Profile (OHIP-G) prior to treatment. The sum of OHIP-G item responses (OHIP-G49, 0-196) characterized the OHRQoL impairment. Patients' OHIP summary scores were compared with those in a sample of the German general population (n = 1541). The influence of population (patients vs. general population subjects), gender and age was investigated using a multivariable linear regression model. Age presented a curvilinear association with OHRQoL, with lower OHIP scores associated with younger and older adults and higher OHIP scores (indicating impaired OHRQoL) associated with middle-aged adults in both the patient and general populations. Gender influence depended on the population, i.e. female general population subjects had lower OHIP scores than male general population subjects and female patients had higher OHIP scores than male patients. Mean OHIP summary scores indicated that patients with hypersensitive teeth reported considerably more impaired OHRQoL (approximately 22 OHIP units) than subjects in the general population. The present study suggests that the oral condition of hypersensitive teeth is significantly associated with impaired OHRQoL.

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