Abstract
Tannin–metal chelates for the efficient nucleation of hydroxyapatite and an aesthetically improved solution for the dentinal hypersensitivity treatment.
Highlights
Dentinal hypersensitivity, a common and elusive oral health problem in the world, has a prevalence of $15–57% in the general population and occurs when the dentin, which is usually overlaid by the enamel or cementum of a tooth, becomes exposed to the direct oral environment due to conditions such as bacterial demineralization, abrasion or gingival recession.[1]
When the underlying dentin is exposed, thermal, tactile, osmotic or chemical stimuli provoke movement in the intradentinal uid, which transmits to the afferent intradental nerves and results in the transient severe pain that is termed as dentinal hypersensitivity
Hydroxyl groups of TA initially participate to conjugate with the metal ions and metal oxides and incorporate the coating layer on the dentinal tubule.[17]
Summary
A common and elusive oral health problem in the world, has a prevalence of $15–57% in the general population and occurs when the dentin, which is usually overlaid by the enamel or cementum of a tooth, becomes exposed to the direct oral environment due to conditions such as bacterial demineralization, abrasion or gingival recession.[1] Dentin, composed of 20% of type I collagen brils reinforced with 70% Hap and 10% plasma-like uid, is a biomineralized hard tissue containing tiny capillaries called tubules.[2] Inside each tubule lies a nerve branch that comes from the tooth pulp cavity. Occluding exposed dentinal tubules is proposed as a fundamental strategy for reducing the stimuli-evoked uid moves to desensitize the dentin, as well as to reduce the yellowish staining of the teeth
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