Yousuf A Lakdawala, Sabeen Masood, Iqra Gulzar, Farwa Batool, Rida Arshad.
Frequency of apthous ulcers -- a study.
Pak Oral Dental J Jan ;37(3):419-21.

The purpose of the study was to find out the frequency of apthous ulcers in patients seen at Altamash Institute of Dental Medicine, Karachi who came for their dental check-up from September, 2016 to November, 2016. A descriptive cross-sectional survey was conducted. A questionnaire regarding sign & symptoms of apthous ulcer were used. 40 patients had oral ulcer at the time of examination. Complete medical & dental history was taken from every patient and after thorough clinical examination of oral dental tissues. Lips were found as the common site. Stress and spicy foods appeared to play a major role in their occurrence.

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