Periodontists specialize in treating advanced gum disease, and work together with your general dentist to care for oral health by halting the progression of periodontitis and subsequently treating the various forms of gum disease.
What is the origin of an earthquake called in CA? Well, the origin of the earthquake is called the focus, and the point on the ground directly above the focus is called the epicenter. In CA, earthquakes generally originate frâ¦om the San Andreas Fault. Susie Harrell.
PARTIALLY FACT: People can cause earthquakes. Earthquakes induced by human activity have been documented in the United States, Japan, and Canada. The cause was injection of fluids into deep wells for waste disposal and secondary recovery of oil, and the filling of large reservoirs for water supplies. Most of these earthquakes were minor.