Research Article
Volume 20 Issue 2 - 2021
Prevalence of Dentin Hypersensitivity and its Associated Factors: A Hospital-Based Cross-Sectional Study Khamis Musiht, Saudi Arabia, 2020
Abdullah Saeed*, Bahaa Abaalkhail and Iman Kamal
Department of Public Health, Ministry of Health, Saudi Arabia
*Corresponding Author: Abdullah Saeed, Department of Public Health, Ministry of Health, Saudi Arabia.
Received: December 01, 2020; Published: January 30, 2021


Introduction: Due to harmful lifestyles and unhealthy diets, such as the consumption of acidic, soft and energy drinks, the number of adults with dentin hypersensitivity (DH) is increasing. Aggressive toothbrush use increases the number of patients requiring regular dental care. DH is defined as sharp pain arising from exposed dentin in response to chemical, thermal, tactile, evaporative, or osmotic stimuli that cannot be attributed to any other dental defect or disease. Some authors have described it as the “common cold of dentistry”. DH has a negative impact on daily activities and thereby leads to poor oral health-related quality of life. This study aimed to assess the prevalence of DH, the relative importance of risk factors, patient habits and oral health behaviors and the role of dental practices in DH.

Methods: In the outpatient department of Khamis Mushait General Hospital in Saudi Arabia, a cross-sectional study using a questionnaire and a clinical examination was conducted using random sampling. The sample size calculation assumed a 95% confidence level, 5% sampling error and a 42% probability of occurrence according to a previous study in Saudi Arabia. The minimum required sample size was calculated to be 190. There were 220 eligible participants who agreed to participate and provided written informed consent. They were interviewed and then underwent clinical examinations to identify those with DH. The second examination was performed to exclude confounders, such as cracked or chipped teeth, fractured restorations, sound restorations, dental caries, root caries, postoperative sensitivity, vital bleaching procedures, abrasions, attrition and erosion. The outcome variable “tooth hypersensitivity” was assessed with both the Schiff scale and air blast tolerance evaluations to determine the outcome and sensitivity parameters were measured.

Results: There were 220 participants with 55% males and 45% females. The mean age was 39 years of age. Married participants accounted for 62%, while 29% were single. There were 86% employed participants and 14% unemployed participants. The only significant relationship between DH and sociodemographic variables was education (p = 0.005). The crude prevalence of DH was 38.5% and after excluding other factors, it was 15% for sound teeth. According to the Schiff scale, 3.2% had a score of 3, 14.1% had a score of 2, 10.9% had a score of 1 and 71.8% had a score of 0. The most common hard tissue factors associated with DH were dental caries (12%), fractured restorations (10%) and sound restorations (10%), while the most common soft tissue factor was gingival recession (11.4%). The most frequent medical conditions were heartburn (28.6%) and (14%) gastroesophageal reflux disease (GERD), while the other medical history such as diabetes, hypertension and depression had no significance. The frequency of soft drink consumption was 63.6%, while 31.8% consumed energy drinks, 78.6% consumed acidic drinks and 62.3% consumed dairy products. The smoking prevalence was as follows: cigarette smoking was 20.4%, while 9% used Shisha, 5% used smokeless tobacco and 1.4% used e-cigarettes. Soft brush users accounted for 49.5%. According to stepwise regression, there was a significant association between DH and gingival recession (p = 0.000) and between DH and sound restorations (p = 0.069).

Conclusion: The answer “yes” or “no” for pain from cold stimulus found the prevalence of DH to be 38% in total, but only 15% after hard and soft tissue factors were excluded. This demonstrates the importance of clinical examinations to obtain the best estimation of prevalence. This study also shows that gingival and periodontal health is important for the prevention of DH and that there is a need for more awareness programs about self-management of DH using hospital-based dispensers for gel and paste.

Keywords: Dentin Hypersensitivity (DH); Gastroesophageal Reflux Disease (GERD);


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Citation: Abdullah Saeed., et al. “Prevalence of Dentin Hypersensitivity and its Associated Factors: A Hospital-Based Cross-Sectional Study Khamis Musiht, Saudi Arabia, 2020”. EC Dental Science 20.2 (2021): 89-100.

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