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Histopathological examination was performed on focally pigmented lesions with a suspicious or uncertain clinical diagnosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 386 (30.2%) patients were found to have oral pigmentations. Of these, racial pigmentation (39.9%) and smokers' melanosis (32.9%) were the most common causes of oral pigmentations. Other causes included amalgam tattoo (18.9%), focal melanotic macules (5.7%), postinflammatory pigmentation (1.6%), pigmentation due to medications or systemic disease (0.52%), heavy metal deposits (0.26%), and oral nevus (0.26%). Gingivae and buccal mucosae were the most common sites for oral pigmentations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Pigmentations of the oral mucosa are common. Gingivae and buccal mucosae are the most common sites for oral pigmentations. Proper history and recognition of clinical features are important for effective management.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ijd.13133","type":"journal-article","created":{"date-parts":[[2015,12,29]],"date-time":"2015-12-29T02:38:46Z","timestamp":1451356726000},"page":"1005-1013","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":51,"title":["Prevalence and clinical features of pigmented oral lesions"],"prefix":"10.1111","volume":"55","author":[{"given":"Yazan","family":"Hassona","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Oral Medicine and Periodontology Faculty of Dentistry The University of Jordan Amman Jordan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Faleh","family":"Sawair","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Oral Medicine and Periodontology Faculty of Dentistry The University of Jordan Amman 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