1 (e) Hermetically sealed foods are to have been processed in commercial food processing establishments meeting requirements of section 14-1.21 of this Subpart. 2  The use of home-canned foods in food service establishments is prohibited.
What causes tooth root resorption? A: A study on external root resorption in the journal Schweiz Monatsschr Zahnmed states that trauma, periodontitis, orthodontic treatment, internal bleaching, cysts, tumors or stimuli from a necrotic dental pulp may cause tooth root resorption.
A RealAge answered. When your gums recede, or pull away, from your teeth, the roots of your teeth can be exposed. Plaque can form on the roots outer surface, which is made of dentin. Because the dentin is not as hard as enamel, plaque can cause cavities in dentin faster than in enamel.