A statement made by the patient which shows he/she understood the instructions is "Good oral hygiene is essential."
What is phenytoin?
This a type of medicine most commonly used to prevent and control seizures.
What are the side effects?
One of the most common side effects are swollen gums. This can be prevented or reducing with good oral hygiene including regular flossing and brushing.
Due to this, if the patient understand this medicine he/she will know oral higyiene is important.
Learn more about side effects in: https://brainly.com/question/16502679
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