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Dental Histology

Chapter 16 Permanent Anterior Teeth

What is the function of the anterior teeth? Biting, Tearing, Support lips of the face, and speech.
How many lobes do all anterior teeth have? Four developmental lobes.
How many labial lobes do all anterior teeth have? Three lobes ML and DL.
How many lingual lobes do all anterior teeth have? One lingual lobe.
The masticatory surface of the anterior teeth is called? incisal surface
For anterior teeth the height of contour for both crowns labial and lingual surfaces is? The cervical third.
The curvature of the anteriors is ___ than that of the posteriors? Greater
A raised, rounded area on the cervical third of the lingual surface is? a cingulum.
Ridges on the lingual surface of anteriors is bordered mesially and distally on each side by a rounded, raised border known as what? Marginal Ridges
A shallow, wide depression on the lingual surface. Fossa
In the deepest part of each fossa is a pit known as? Developmental Pits
A sharp, deep, V-shaped depression on the lingual surface that marks the junction among the developmental lobes? Primary/ Developmental groove
A shallow, irregular linear depression on the lingual surface? secondary/ supplemental groove
The maxillary central incisors erupt at what age? 7-8
When does the maxillary central incisors root complete? Age 10
What is the maxillary central incisors crown shape? Triangular
What is the most prominent tooth in the permanent dentition? Maxillary Central Incisors
What is avulsion? displacement of the tooth from the socket due to trauma.
When do the maxillary lateral incisors erupt? 8-9 years
When do the roots complete on the maxillary lateral incisors? age 11
What is the shape of the maxillary lateral incisors? Round
What age do the mandibular central incisors erupt? 6-7 years
When does the root complete on the mandibular central incisors? age 9
What is the smallest tooth? mandibular central incisors.
What is the first tooth to erupt? The mandibular central incisors.
How many pulp horns do the mandibular central incisors have? 3 pulp horns.
When do the mandibular lateral incisors erupt? 7-8 years
When do the roots complete on the mandibular lateral incisors? Age 10
What are some developmental disturbances for the incisors? Peg laterals, tuberlces, dilaceration.
What age does the maxillary canine erupt? 11-12
When does the root complete on the maxillary canine? 13-15 years
What type of root does the maxillary canine have? Blunt Root Apex
When does the mandibular canine erupt? 9-10 years
What age does the root complete formation? 12-14 years.
The roots of the anterior teeth curve? Distally.
Clinical considerations for canine teeth? Impacted canine, dilaceration.
Created by: Strobelight95