Barrett's esophagus is the primary lesion associated with an increased risk of adenocarcinoma of the distal esophagus.

Elgiloy arch wire is a Cobalt chromium nickel alloy

The essential ingredients of the dental inlay investment employed with the conventional gold casting alloys are a-hemihydrate of gypsum, quartz, or cristobalite, which are allotropic forms of silica.

Gaucher's disease and Niemann-Pick disease are common in Ashkenazi Jews.

Early movements of TMJ following surgery for TMJ ankylosis is desirable.