Lecture 4: Mandibular incisors Flashcards
What is the Universal Notation for the Mandibular right central incisor?
24
What is the Universal Notation for the Mandibular left central incisor?
24
When does Mandibular Central Incisor erupt?
6-7 years
When is the root of Mandibular Central Incisor completed?
9 years
When does Mandibular Central Incisor show first evidence of calcification?
3-4 months
When is the crown of Mandibular Central Incisor completely formed?
4-5 years
Is Mandibular Central Incisor this a succedaneous or a non-succedaneous tooth?
succedaneous
What is this tooth geometric outline of mandibular central incisor when viewed from the facial?
trapezoidal
What is this tooth geometric outline of mandibular central incisor when viewed from the lingual?
trapezoidal
What is this tooth geometric outline of mandibular central incisor when viewed from the mesial?
triangular
What is this tooth geometric outline of mandibular central incisor when viewed from the distal?
triangular
What is this tooth geometric outline of mandibular central incisor when viewed from the incisal?
circular
How many roots and how many canals does Mandibular Central Incisor have?
1 root; can have 1 or 2 canals
Name the following structures (A, B, and C)Lingual View
A: Cingulum
B: lingual fossa: not prominent
C:Distal marginal ridge
The incisal edge lays ______ (facial or lingual) to an imaginary line that bisects the mesial surface
lingual
What is the Universal Notation for the Mandibular right lateral incisor?
23
What is the Universal Notation for the Mandibular left lateral incisor?
23
How does the Mandibular Lateral Incisor compare in size to the Mandibular Central Incisor?
lateral is larger
How can you determine whether this is a mandibular central incisor or a mandibular lateral incisor?
larger in size, lateral wider mesiodistally on facial, tooth is not symmetrical
Which is the mesialand which the distal view of the Mandibular Lateral Incisor?
A: mesial
B: distal
Which is the mesial and which the distal view of the Mandibular Central Incisor?
A: mesial
B: distal
Is the crown of mandibular central incisor broader MD or FL?
faciolingually
Is the crown of mandibular central incisor broader MD or FL?
Faciolingulaly
Where are the M and D interproximalcontact areas of mandibular central incisors located?
Mesial: incisal 1/3
Distal: incisal 1/3
Name the 4 embrasures that form around the M contact areas of #s 24 & 25.
incisal, gingival, facial, and lingual
