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.
Loss of attachment: 1  By far the most common cause is periodontal disease (gum disease). 2  Dental abscesses can cause resorption of bone and consequent loss of attachment. 3  Many other conditions can cause permanent or temporary loss of attachment and increased tooth mobility.