1. A number of our people have narrated from Ahmad ibn Muhammad ibn Khalid from ‘Uthman ibn ‘Isa from Ishaq ibn Jarir who has said the following: “I once asked abu ‘ Abd Allah عليه السلام, about the meat that remains between the teeth. He (the Imam) said, ’What is between the front teeth you can eat; but what is between the back teeth you must throw it away.’”