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DA chapter 9 test
DA chapter 9 test review
Question | Answer |
---|---|
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 |