Ather Akber, Nadya Sultan Ali, Sumaiya Shabbir, Umair Wahid, Waqas Ahmed Farooqui.
Frequency of dentine hypersensitivity: a cross-sectional study.
Pak Oral Dental J Jan ;36(3):440-3.

The aim of the present study was to find out the frequency and related factors of dentine hypersensitivity among patients seen at Ishrat-ul-Ebad Institute of Health Sciences, Karachi. The present cross sectional study was conducted from 15th February to 15th April 2016 at Periodontology Department. Three hundred-sixty patients were examined after taking written consent. Interview based questionnaire was used to investigate and diagnosis of dental hypersensitivity was made using air blast from triple syringe. SPSS version 16.0 (SPSS Inc Chicago, IL, USA) was used to analyze the data. Variable differences were analyzed using Chi- squared tests. P<0.05 was considered significant. One hundred thirty-one patients were found to have Dentine Hypersensitivity. It was more common in females with a male to female ratio of 1: 1.7. Age group of 25- 34 years had highest frequency and patients aged 55 years and above had the lowest frequency. Patients educated higher than 12th standard had the highest frequency. Lower incisors were most commonly affected followed by upper incisors and predominantly affected site was buccal surface. Cold was the most common stimulus. Patients who did not have any habit of smoking and betel nut chewers were more affected than smokers.

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