Oral hygiene practices during periods of abstaining from food and drink raise questions regarding their permissibility and impact on the fast. The primary concern centers around the potential for swallowing water or toothpaste, thereby invalidating the fast according to many religious and dietary guidelines. For example, individuals observing Ramadan, Yom Kippur, or intermittent fasting regimens often seek clarification on this matter.
Maintaining oral health is crucial, even during fasting periods. Neglecting dental hygiene can lead to halitosis, gingivitis, and other oral health problems that may worsen during prolonged periods without food intake. The benefits of proper oral care extend beyond preventing dental issues; good oral hygiene can contribute to overall well-being and reduce the risk of systemic infections. Historically, various cultures have adapted oral hygiene routines to accommodate fasting practices, often relying on natural alternatives to toothpaste.