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.
Salivary glands that malfunction or swell can decrease saliva production. Decreased saliva causes dry mouth and tooth decay. Saliva flow can be measured, or doctors may biopsy salivary gland tissue. Sometimes blockages can be removed, but some people need to use saliva substitutes.