Chapter 3 Curvatures Flashcards
(9 cards)
proximal areas
areas of proximal surfaces touch one another
-mesial or distal
-located at the widest part of crown
proximal point
cusp of one tooth touches the occlusal surface of tooth in opposing arch
open contact
when adjacent teeth do not touch tightly at their contact areas
diastema
if the open contact is very wide
embrasures
“spillways” spaces between teeth
- name based on location
gingival embrasures
only if interproximal space is not occupied by any gingiva or bone
-aka Cervical embrasure
too much deflection
-leave some gingiva without the right amount of stimulation
too little deflection
allow some food to be forced into the gingival crevice
overhang fillings
allow buildup of plaque, bacteria, and food