There are limited studies specifically on the prevalence of root dentine hypersensitivity or root sensitivity per se ; most of the published information relates to the prevalence of dentine hypersensitivity (DH). Several investigators have suggested that there may be some justification on the basis of differing pathologies of distinguishing between those individuals complaining of DH who have relatively healthy mouths with those who complain of DH as a result of periodontal disease and/or its treatment. It is generally recognized that those individuals diagnosed with periodontal disease and having periodontal therapy including scaling procedures may have a higher prevalence than those who present with healthy mouths and evidence of gingival recession. The availability of a vast array of treatments, however, would indicate either that there is no one effective desensitizing agent for completely resolving the discomfort or that the condition, due to its highly subjective nature, is difficult to treat irrespective of the available treatment options. The importance of implementing preventative strategies in identifying and eliminating predisposing factors in particularly erosive factors (e.g. dietary acids) cannot be ignored if the practitioner is going to treat this troublesome clinical condition successfully. This paper will review the published literature and provide information as to the prevalence of the condition, its etiology and causal factors, as well as recommendations for the clinical management of the problem.
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Gillam et al. (2006) studied this question.