Temporary cements left in place for more than a few weeks may experience microleakage, bacterial infiltration, and resultant caries. A study by Lewinstein,.

Bacteria are the primary etiology in the development of periapical bone lesions, and endodontic treatment failures are often caused by bacteria remaining in.

Rates of skin cancer, the most common cancer in the US, are increasing. In 2003, approximately 54,200 persons will have new diagnoses of.

From 1990 to 1997 it is estimated that use of herbal supplements has increased 380% in the US, with an estimated 37% of.

There are multiple factors associated with the development of oral cancer, but nearly all oral epithelial cancers are associated with the use of.