Oral Mucosal Ulceration Caused by the Topical Application of a Concentrated Propolis Extract

<table>Dental radiograph showing the wide and deep caries lesion on tooth 17, with unfinished endodontic treatment. No periapical lesion was observed.</table>

Case Reports in Dentistry

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Figure 2

Figure 2: Oral Mucosal Ulceration Caused by the Topical Application of a Concentrated Propolis Extract 