Whenever the Messenger of Allah ﷺ entered his house, he would begin by using the tooth-stick.
حدثنا عبد الرحمن بن مهدي حدثنا سفيان عن المقدام بن شريح عن أبيه
كان رسول الله ﷺ إذا دخل بيته بدأ بالسواك
Its isnad is sahih. It was previously mentioned at 25363.