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.
Bulimia is a condition where patients make themselves sick so that they lose weight. Because there are high levels of acid in the vomit, this can cause damage to tooth enamel. Acids produced by the stomach can come up into the mouth (this is called gastro-oesophageal reflux).