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Tooth Morph Lecture 2
Anatomic and physiologic considerations of form and function
25
Other
Professional
10/15/2008

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Term
What are the three functions of teeth?
Definition
Mastication, Phonetics, and Esthetics
Term
Function of anterior teeth:____
Function of posterior teeth:_____
Definition
anterior: incising
Posterior: grinding
Term
How many developmental lobes found on anteriors teeth?
Definition
3 Labial and 1 Lingual.
Term
Which tooth has the most developed middle labial lobe?
Definition
Canine
Term
Which tooth has 4 lobes (2 cusp)?
Definition
Premolars
Term
Maxillary molar, mandibular 2nd and 3rd molars have ____ lobes
Definition
4!
Term
Mandibular 1 molar has ____ lobes
Definition
5
Term
Curve of Spee
Definition
Anterior-posterior curvature of the plane
Term
Medio-lateral curvature of the plane?
Definition
Curve of Wilson
Term
A combination of Spee and Wilson
Definition
Sphere or Monson
Term
When looking from facial or lingual outlines all teeth has ______ geometric crown form which is ______toward incisal/occlusal
Definition
Trapezoidal, Wider
Term
What teeth has triangular form when looking from mesial and distal view?
Definition
Anterior teeth
Term
At mesial and distal outlines, Max posterior teeth show _____ form which is wider at_______
Definition
trapezoidal, cervical
Term
Which teeth show rhomboidal form at mesial and distal outline?
Definition
Mandibular posterior teeth
Term
Place that two adjacent teeth contact each other (mesial and distal height of contour)
Definition
Proximal contact areas
Term
Contact area is more _____ in anterior teeth and become more cervical from _______ to ______
Definition
Incisal, anterior to posterior
Term
T/F Distal contact more incisal than mesial
Definition
False:
distal contact more cervical than mesial
Term
Know this
Definition
**Contacts centered F-L in Anteriors
***Contacts are buccal to the midline in posteriors
Term
Embrasures
Definition
V-shape flare surrounding contact areas
Term
Give function of embrasres
Definition
1. Spill-way for food
2. Aids in self-cleansing process
3. Esthetics in anterior teeth
Term
Incisal embrasures ____ in size from anterior to posterior.
Cervical ebrasures ______ in size from anterior to posterior.
Definition
Increase, decrease
Term
What is Hight of contour?
Definition
Greatest extent of curvature of a crown surface
Term
T/F Distal HOC more cervical than mesial HOC
Definition
True
Term
T/F Amount of curvature greater on mesial than on distal.
Definition
true
Term
max molars has ___ roots?
Man molars has ___ roots?
Definition
max = 3
man = 2
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