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Tooth discoloration is a common problem for which patients seek dental care. Various medications can directly or indirectly result in tooth discoloration. As clinicians, it is our responsibility to know these therapeutic drugs which can cause tooth discoloration and educate our fellow colleagues to take necessary precautions when prescribing these medications. Therefore, the objective of this paper is to give an overview of the various medications that can be linked to tooth discoloration and to suggest the precautionary measures that can be taken to avoid or minimize it.
Clinical Relevance: Dental discoloration potential of medications always needs to be considered before prescribing them.
Article
Discoloration of the tooth is a common problem for which patients seek dental care. Alteration in the tooth colour can not only cause aesthetic displeasure in individuals, but can also be traumatizing psychologically. Tooth discoloration can be either extrinsic (where chromogens are present on the surface of the tooth) or intrinsic (where chromogens are present within the bulk of the tooth structure) or even internalized (where external stains are taken up into the tooth surface through enamel defects and porous surface of exposed dentine).1,2,3,4 Among the several causes for tooth discoloration, a variety of medications used systemically or locally have been implicated in tooth dyschromia (Table 1).5 In the aesthetically conscious world of today, tooth discoloration that is iatrogenic can be a liability. The purpose of this article is to throw some light on the drugs that can either directly or indirectly result in tooth discoloration and the precautions that need to be taken when prescribing or using these medications.
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