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.
Abnormalities of Teeth â 6 â Charles Dunlap, DDSSept. 2004 Internal and External Resorption Slides #35â39 illustrate resorption from within, internal resorption. One or many teeth may beinvolved and the cause is a total mystery.