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DA chapter 9 test

DA chapter 9 test review

T/F....First molars erupt before cuspids/canines True
T/F....The root and crown are divided by the cervical line True
T/F....Deciduous teeth have larger pulp chambers and extra care must be taken when coronal polishing to prevent overheating the tooth True
T/F....In the permanent detention wisdom teeth are referred to as 3rd molars True
The oral cavity has how many quadrants? Four
How many deciduous teeth are in each arch? Ten
The adult detention has on average how many permanent teeth? Thirty two
Canine/Cuspid to Canine/Cuspid teeth are all... Anterior teeth
When does a persons first tooth erupt? Six months
All deciduous teeth are fully erupted by what age? 3 years
What age group has mixed detention? six to twelve
Usually by age_____all deciduous teeth have been exfoliated. Twelve
What age does the first permanent tooth erupt? 6 years
Which permanent teeth are not succudaneous? 1st, 2nd and 3rd molars
The first permanent teeth to erupt are? Mandibular 1st molars
The clinical crown is defined as__________? The part of the tooth that is visible in the mouth
All teeth have how many surfaces? Five
The tooth surface on the side of the tongue is called? lingual
The tooth surface on the cheek side is called? buccal
The opening in the apical portion of the root is called? The apical foramen
A tooth with two roots is called? Bifurcated
The convex area on the lingual surface of an anterior tooth is called? The cingulum
A shallow rounded or angular depression found on the tooth surface is called? A fossa
The dividing point of a multiple rooted tooth is a________ furcation
The three bulges on the incisal edge of a newly formed tooth are called? mamelons
The elevated area of enamel that forms the mesial and distal borders is called? The marginal ridge
an elevated area of enamel that extends obliquely across the occlusal of a tooth is called? The oblique ridge
The union of two triangular ridges that produce one ridge is called? The transverse ridge
Which teeth play an important role in speech? The central incisors
which teeth are sometimes congenitally missing? maxillary laterals
Which teeth are the cornerstone of the mouth? The canines/cuspids
Which tooth has the longest root in the maxillary arch? The canine/cuspid
Which pre molar has 2 roots? Maxillary 1st
Which pre molar is most often removed for orthodontic purposes? The Maxillary 1st pre molar
Which tooth has the cusp of carabelli? The Maxillary 1st molar
What is the smallest tooth in the permanent dentition? the mandibular central
Which tooth has a nonfunctional lingual cusp? Mandibular 1st pre molar
Which tooth has 2 pulp canals in one root? Mandibular 1st molar
Which tooth appears to have 4 equal sized cusps? Mandibular 2nd molar
Which teeth in the permanent detention are the farthest from the midline? The 3rd molars
Where 2 proximal sides of the tooth come together and touch is called? The contact
The developmental groove resulting from an imperfect union where the lobes come together and decay is often initiated is called? A fissure
A linear depression forming a groove that extends from the middle of the buccal surface to the occlusal surface is called? The buccal groove
What is furcation? The dividing point of a multirooted tooth
What is an oblique ridge? Elevated area of enamel that extends obliquely across the occlusal of the tooth
What is the supplemental groove? Shallow linear groove that radiates from the developmental groove
What are marginal ridges? elevated area of enamel that forms the mesial and distal borders
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