Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) says: The leftover food that remains stuck between the molars weakens the molars.
Al-Tabarani recorded it, and its narrators are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الأطعمة / 7952
Hadith Gradingمحدثین:إسنادہ صحیح
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (13065)»