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.
1 Teeth grinding â over time, grinding or clenching your teeth can erode enamel and expose dentin. 2  Gum disease â gum disease leads to tooth decay which breaks down enamel; gum disease can also lead to infection which may attack the toothâs roots or cause the gum line to recede.