Cavity Nomenclature Flashcards
what is the junction between the walls of the cavity preparation and external surface of the tooth?
cavity margin
what is the angle formed between the tooth preparation and unprepared tooth surface called?
cavo-surface margin angle
what should the cavo-surface margin angle be?
60-120 degreees
what is the name given to the line formed by the junction of two surfaces of a prepared or unprepared surface?
line angle
what is the name given to the angle formed by the junction of three surfaces?
point angles
what is the surface of the cavity which is parallel to the occlusal plane?
occlusal floor
what is the pulpal floor
the cavity surface above the pulp chamber
what is the gingival floor
the cavity surface at the approximal sides of the tooth (most obvious in an approximal cavity)
what is the name of the cavity surface which is parallel to the long axis of the tooth
the pulpal axial wall
what is the name of the cavity walls which are bounded by the cavosurface angle and the cavity floor
buccal and lingual axial walls
what is an isthmus
the least wide part of an occlusal cavity
