What is the most common precipitating factor in the development of aphthous ulcers?

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Quizplus · Accepted Answer

Trauma is the most common precipitating factor in the development of aphthous ulcers. Allergies do not cause aphthous ulcers. Aphthous ulcers do occur in association with certain systemic diseases, but they are not the most common precipitating factor. Citrus foods can trigger episodes of aphthous ulcers, but they are not the most common precipitating factor.

What Is the Most Common Precipitating Factor in the Development