Arsenic ( n. ) One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356! Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are two of its sulphur compounds, the first of which is the true arsenic> Arsenic ( n. ) Arsenious oxide or arsenious anhydride; -- called also arsenious acid, white arsenic, and ratsbane.
Interproximal guide plane is essential for proper reciprocation inside the arch. The rest and interproximal guide plane are placed on the abutment tooth opposite the edentulous area. The interproximal guide plane is placed between the abutment tooth and the adjacent tooth. Approximately 1/2 mm is removed from the abutment tooth and approximately 1/2 mm from the adjacent tooth. During function, the interproximal guide plate and contoured rest stabilize the tooth in the long axis. The clasp facing the edentulous area moves away from the tooth in the same direction as the denture base.