Terms Of Orientation Flashcards
Portion of the tooth that is covered with enamel and projects from the tissues in which the root is fixed
Crown
Difference between anatomical and clinical crown
Anatomical: part of the tooth covered by enamel
Clinical: part of the crown of a tooth that is visible in the oral cavity; varies with level of gingival margin around tooth
Portion of a tooth that is embedded in the alveolus and covered by cementum
Root
Difference between the anatomical and clinical root
Anatomical: part of tooth that is covered with cementum
Clinical: part of the tooth that is not visible in the mouth
Unworn surface formed by the junction of the labial and lingual surfaces of anterior teeth
Incisal ridge
Surface formed on the incisal ridge after wear has taken place
Incisal surface
Edge formed by junction of axial surfaces and incisal surfaces of anterior teeth
Incisal edge Labia- Lingo- Mesio- Disto-
Surface of teeth facing towards adjoining teeth in the same dental arch
Proximal
Pertaining to the neck
Cervical
Touching of two surfaces of adjacent teeth
Proximal contact
Point on the proximal surface of a tooth, which touches an adjacent tooth
Contact point
Area of contact caused by the proximal attrition of one tooth with that of another in the same dental arch
Contact area
Imaginary line/angle formed by the junction of two crown surfaces
Line angle
Point which is the junction of three crown surfaces
Point angle
Root termination/tip
Apex
How many roots do anterior teeth have?
One
Two roots
Bifurcation
Three roots
Trifurcation
Small rounded projection found on the crowns of teeth
Extra formation of enamel
Not normal/typical
Tubercle
Where is the most likely location to find a tubercle?
Lingual surface of maxillary anterior teeth
Lingual prominence of enamel on anterior teeth, rising incisally from the cervical line in varying proportions
Cingulum
One of the three rounded prominences on the incisal ridge of a newly erupted unworn incisor
Mamelon