Clinical Images
Multiple Oral Ulcers after Dental Extraction
Dr. Wang-Kin Wong, BDS
June 5, 2015
The patient was a 57-year-old female with moderate mental retardation who presented with her sister, who reported multiple white dots in the oral cavity after dental extraction. She had no known drug allergies.
Medication history revealed that the patient was prescribed metronidazole 250mg 4 times a day for three days and amoxicillin/clavulanic acid 375mg twice a day for five days postoperatively. She started to develop multiple small, round erythematous halos of 1-2mm diameter with circumscribed margins on the tongue the following day (Fig.1).

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References
1. Scully C. Clinical practice. Aphthous ulceration. N Engl J Med. 2006 Jul 13;355(2):165-72.
2. Akintoye SO, Greenberg MS. Recurrent aphthous stomatitis. Dent Clin North Am 2005, 49(1):31-47.
Author Biography
Wang-Kin Wong is a Junior Hospital Dental Officer at the Prince Philip Dental Hospital, Hong Kong. He attended the dental school at the University of Hong Kong.