The Root of Dentinal Hypersensitivity
Dentinal hypersensitivity has been described as an enigma—frequently encountered, yet poorly understood. It is a condition that affects many patients—some rarely but others very frequently. Patients often encounter the symptoms, but don’t report their discomfort to their oral health professional. A multiplicity of causes is associated with hypersensitivity and it affects all types of patient populations. It can occur in older adults with gingival recession and exposed dentin, patients with poor brushing habits, and individuals with periodontal diseases. We encounter the condition in young patients as well, mainly due to enamel loss caused by tooth wear or erosion. Tooth wear at the cervical margin does not have to be extensive before underlying dentin is exposed and sensitivity ensues, but it is not easily noticed by clinicians.
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