PubMed · 14702377
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D W Sarll. 2004. Guestimates.. https://doi.org/10.1177/014107680409700127
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OBJECTIVE: To carry out an extensive review of the literature on tooth staining with particular regard to some of the more recent literature on the mechanisms of tooth staining involving mouthrinses. DESIGN: Comprehensive review of the literature over four decades. CONCLUSIONS: A knowledge of the aetiology of tooth staining is of importance to dental surgeons in order to enable a correct diagnosis to be made when examining a discoloured dentition and allows the dental practitioner to explain to the patient the exact nature of the condition. In some instances, the mechanism of staining may have an effect on the outcome of treatment and influence the treatment options the dentist will be able to offer to patients.
The authors observed the bleaching of fluorosed human teeth with scanning electronic microscope (SEM). They found that the essence of the bleaching is the demineralization caused by the hydrochloric acid in the bleaching solutions. Physical grinding of the surface of the fluorosed enamel can accelerate the penetration of the solutions into enamel and shorten the bleaching time. The authors also observed the ultrastructural changes caused by the bleaching, and pointed out that the treatment of the bleached enamel surface is very important.
The management of dark staining of teeth caused by dental fluorosis is discussed. The results of treatment of 20 patients with dental fluorosis by a hydrochloric acid-pumice technique are described. All patients showed considerable improvement in colour which was maintained for review periods of (up to) two years.