ch 1 sec 7 Flashcards
another name for sulcular groove?
occlusal sulcus
What is the sulcular groove?
Between the buccal and lingual cusps of posterior teeth in each quadrant (V shaped)
midroot axis line?
is an imaginary line through the center of a tooth root
Curve of Spee is convex and concave where?
convex= maxillary arch concave= mandibular arch
facial or lingual crest or curvature
is the point on a crown outline where a line drawn parallel to the midroot axis line touches the greatest bulge on the crown
contact areas
where two adjacent teeth touch (by the age of 40, 10mm has been worn off)
diastema
the space that exists between two adjacent teeth in the same arch that is not resulting from a missing tooth
proximal contacts
distance between teeth or how the touch p 36
embrasure spaces
4 somewhat triangular spaces that are separated out from the continuous space that surrounds each contact otth
lingual embrasure
larger and longer than facial
facial embrasure
narrower then lingual embrasure
occlusal in incisal embrasure
usually shallow from the occlusal surface or incisal edge to the contact areas and is narrower faciolingually on the anterior teeth but broader on posterior teeth
interproximal space
1 of the triangular shape of embrasure spaces when viewed from the facial or lingual
interdental papilla
fills the interproximal space
what is another name for the interproximal space?
cervical orgingival embrasure