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.
Causes. âº One of the most common causes is the accumulation of plaque in the cavities of the teeth. The bacteria that are present in the mouth break down the food and convert them into lactic acid. âº Excess of lactic acid in the mouth may cause cavities in the teeth, leading to decay.