<p class="abstract">This article reports a case of oral lichenoid contact reaction (OLCR) in which a bilateral lesion involving the buccal mucosa was observed. Its relevance lies on that the lesions could be misdiagnosed as an oral leukoplakia, since they showed a typical feature of a homogeneous white plaque; however, fortunately, this misjudgement was spared because one of the lesions, on the right-buccal side, was in direct contact with an amalgam filling. Hence, the suspicion of mucosal

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... act reaction was made and the patient successfully treated by amalgam replacement. Comments on diagnosing of OLCR is also included is this report.</p>