Lecture 3 Flashcards
What tooth varies in form more than any other tooth in the mouth?
Maxillary lateral incisor, exception 3rd molars
What tooth is the most frequently congenitally absent anterior tooth
Maxillary lateral incisor, 3rd molars ate the more frequently congenitally absent tooth
Mesial outline of max lateral is slightly
Convex
Mesial height of count our of max lateral is
At the junction of the middle and incisal 1/3’s
The mesioincisal angle of max lat is
A slightly rounded angle
Distal outline of max lat is
More rounded than the central
Distal height of contour of max lat iss
In middle 1/3
Distoincisal angle of max lat is more ______ than MI
More rounded
DI angle in max lat is _________ than the DI angle in the central incisor
More rounded
Labial surface of max lat is _________ than the central incisor
More convex
Root of max lat is pointed, as long or longer than the central incisor, but usually ______ distally
Tapers
Shape of lingual aspect of max lat
Trapezoidal
Lingual fossa is deeper in max lat, often with a
Lingual pit
max lat has prominent _____ and _____ marginal ridges
Mesial and distal
Mesial aspect of max lat has a shape of
Triangular
Labial outline of max lat is
Slightly convex
Lingual outline of max lat is
Concavo- convex
The greatest curvature (height of countour) on the facial and lingual surfaces is located in th e
Cervical 1/3 - same for central incisor
From mesial aspect of max, the lat Incisal surface/edge is angled
Lingual
From mesial aspect of max lat cervical curvature curves
Incisally - less than the central incisor
Mesial aspect of max lat, the root is _____ shaped and tapers _______
Cone shaped, tapers apically
Distal aspect of max lat is _____ in outline
Triangular
Distal aspect of max lat, appears ______ than mesial view
Wider - distal tooth curved lingual to conform to arch shape
Incisal aspect of max lat, contour shape is more
Convex - ovoid in shape
Crest of cingulum of max lat is located where
Slightly to the distal of center of the tooth
Incisal aspect of max lat, which line angle is more rounded
DL is more rounded than ML
Are the line angles of the max lat more or less rounded than in the central incisor
More
Pulp canal in max lat
Single pulp canal
Facial view of pulp of max lat
2 pulp horns
Cross sectional view of max lat can be what shape
Triangular, round, or ovoid
