Sayyiduna Abu Huraira (may Allah be pleased with him) said: The Messenger of Allah (peace and blessings be upon him) said: "Whoever eats food should use a toothpick, and whatever comes out from the toothpick should be spat out, and whatever remains stuck to his tongue should be swallowed."
Hadith Referenceسنن دارمي / من كتاب الاطعمة / 2124