Abstract
Objectives
To evaluate the prevalence, clinical features, and risk factors of dentin hypersensitivity (DH) in a Brazilian population.
Materials and methods
300 patients at the Dentistry Clinic of the University of São Paulo participated in this study. The subjects completed a questionnaire regarding their personal information, the presence of DH, and some of its risk factors. Following completion of the questionnaire, a clinical examination was undertaken. To confirm the presence of DH, the subjects were evaluated with the use of a probe and cold air from a triple syringe. Statistical analysis was performed with the chi-square test and odds ratio, with the critical level p <0.05.
Results
The prevalence of DH was 46 %. Females presented a higher prevalence than males (p <0.05). The left posterior region was affected by DH the most (maxilla = 41 % and mandible = 36 %). Cold was reported as the most common pain-inducing stimulus (88 %). The pain was described as “discomfort” by 51 % of the subjects with DH. Toothbrushing four times a day (p <0.05), toothbrushing with excessive force (p <0.05), bruxism (p <0.05), and gastroesophageal reflux (p <0.05) were strongly correlated with DH.
Conclusions
The prevalence of DH was particularly high. The risk factors for DH were gender (female), toothbrushing four times a day, toothbrushing with excessive force, bruxism, and gastroesophageal reflux.
Clinical relevance
DH was a common finding in this population suggesting that preventive measures considering its risk factors must be implemented in order to reduce or control the symptoms.
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Scaramucci, T., de Almeida Anfe, T.E., da Silva Ferreira, S. et al. Investigation of the prevalence, clinical features, and risk factors of dentin hypersensitivity in a selected Brazilian population. Clin Oral Invest 18, 651–657 (2014). https://doi.org/10.1007/s00784-013-1008-1
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DOI: https://doi.org/10.1007/s00784-013-1008-1