Shabbat - Brushing Teeth and Toothpaste

One may brush one’s teeth on Shabbat to clean them and to treat bad breath.

Similarly, mouthwash may be used to freshen one’s breath. However, it is proper to refrain from using toothpaste, the same way we refrain from using bar soap or thick liquid soap.

While it is true that some forbid brushing teeth on Shabbat, either due to the concern of Seĥita, because the gums might bleed, or because the bristles of the toothbrush might break, nevertheless, the primary halakhic position is that one may brush one’s teeth with a toothbrush le-khatĥila. It is only in a case where it is almost certain that the gums will bleed that this is prohibited.

One may wash off the toothbrush with water after brushing, as one normally does, even if one does not intend to use the toothbrush again on Shabbat. This is not considered preparing for the weekday on Shabbat, because it is simply a matter of routine and is not considered a significant chore. Furthermore, removing the residue from the brush also serves a purpose on Shabbat, as leaving it dirty would be disgusting

One may clean one’s teeth with a toothpick. If there is no toothpick available, a match may be used. While it is true that matches are muktzeh, they are kelim she-melakhtam le-isur, and one may handle them in order to use them for a permitted activity . Of course, one must remember that one may not sharpen the match for this purpose, as sharpening it would violate a Torah prohibition.

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5700 Kellert

Cote St. Luc, Quebec H4W 1T4

Mailing address:

PO Box 84, Cote St. Luc Station

Cote St. Luc, QC H4V 1H8

KTM Montreal is open throughout the school year, and on a limited basis in the summer. We have an evening program Monday to Thursday, from 8:15 pm to 10:00 pm, with Maariv at 9pm.

Our classes are open to both men and women.




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