PERIO - Periodontal Practice Today 5 (2008), No. 4 4. June 2009
This cross-sectional study was designed to investigate dentine hypersensitivity (DH) and the associated risk factors in patients attending primary oral healthcare clinics in the Muscat Governorate of the Sultanate of Oman. Nine dental practitioners were calibrated against the principal investigator. Patients attending public primary oral healthcare in the Muscat Governorate and who reported DH over a period of one month were evaluated using a questionnaire and an intraoral examination. The duration, initiating factors and two visual analogue scale (VAS) records were used to evaluate patient perception of pain severity associated with dentine hypersensitivity. In addition, the pain perception following an air blast stimulus from a 3-in-1 triple syringe of a dental unit was recorded. Of the 3002 patients recruited for this study, 318 were diagnosed with dentine hypersensitivity, a prevalence of 10.6%. Cold drinks were the main initiating factor with gingival recession present in 56.7%, and cervical abrasion lesions in 12.3% of hypersensitive teeth. There was a statistically significant difference between the VAS of the pain perception of DH and that of an air blast stimulus.
Keywords: cross-sectional study, dentine hypersensitivity