Toothbrushing on Shabbat Question: I am a dentist and I was learning the the halachos of brushing on Shabbat. In Rav Ovadia Yosef's Tshuva he quotes Rav Zweig who said toothbrushing was assur due to refuah. Rav Yosef disagreed because he said that brushing only removes the food stuff from the teeth so it is only mavriach ari, no refuah is happening. However, this is not so true based on the current research ...Read more ›
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