Tooth Bleaching- Home Bleaching Technique
Journal Title: Santosh University Journal of Health Sciences - Year 2016, Vol 2, Issue 1
Abstract
Bleaching is a procedure which involves lightening of the color of a tooth through the application of a chemical agent to oxidize the organic pigmentation in the tooth. Tooth discoloration varies in etiology, appearance, localization, severity, and adherence to tooth structure. It may be classified as intrinsic, extrinsic, and a combination of both (Hattab et al., 1999). Intrinsic discoloration is caused by incorporation of chromatogenic material into dentin and enamel during odontogenesis or after eruption. Exposure to high levels of fluoride, tetracycline administration, inherited developmental disorders, and trauma to the developing tooth may result in pre-eruptive discoloration. After eruption of the tooth, aging, pulp necrosis, and iatrogenesis are the main causes of intrinsic discoloration. Coffee, tea, red wine, carrots, oranges, and tobacco give rise to extrinsic stain (Hattab et al., 1999; Watts and Addy, 2001). Wear of the tooth structure, deposition of secondary dentin due to aging (Watts and Addy, 2001) or as a consequence of pulp inflammation, and dentin sclerosis affect the lighttransmitting properties of teeth, resulting in a gradual darkening of the teeth.
Authors and Affiliations
Neha Siddarth, Akash Akash, Prashant Bhasin, Dildeep Bali, Vijay Dhar, Era Arora
Keywords
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