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Test your basic knowledge |
Certified Dental Assistant
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Study First
Subject
:
certifications
Instructions:
Answer 40 questions in 15 minutes.
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.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The line that separates the anatomic crown from the anatomic root. Also called the cemento-enamel-junction (CEJ) junction between the cementum and the enamel
Cervical Line
Enamel
Maxilla
Distal
2. Makes up the bulk of the tooth structures located around the pulp cavity and under the enamel within the anatomical crown.
Distal
Cusp
Premolars
Dentin
3. All of the teeth in the jaw are alike.
Lob
Homodo
Anodontia
Premolars
4. One generation of teeth
Mandibl
Catenary Arch
Monophyodont
Ridge
5. Small elevation on the grinding surface of a tooth
Distal
Enamel
Cusp
Root
6. Main ridges on each cusp that run from the tip of the cusp to the central part of the occlusal surface
Triangular Ridges
Molars
Polyphyodont
Catenary Arch
7. Linear elevations found at the mesial and distal terminations of the occlusal surfaces of posterior teeth. Also found on anterior teeth but are less prominent - forming the lateral margins of the lingual surface
Marginal Ridges
Facial
Mandibl
Incisors
8. Surface of the tooth adjacent to the cheek.
Root Apex
Ridge
Primary Teeth (Deciduous)
Buccal
9. Any linear elevation on the surface of a tooth.
Buccal
Incisors
Individual cusps are named how?
Ridge
10. Lip/ front part of the facial surface for incisors and canines.
Occlusal
Mesial
Labial
Marginal Ridges
11. The biting surface of posterior teeth
Occlusal
Cingul
Buccal
Ridge
12. Surface of tooth adjacent to the tongue.
Maxilla
Root
Lingual
Triangular Ridges
13. Mesiobuccal - Mesiolingual - Distobuccal and Distolingual.
Incisors
Root
Individual cusps are named how?
Heterodont
14. The 4 front teeth - known as the biting edge of the anterior teeth.
Homodo
Pulp
Incisors
Polyphyodont
15. The enamel covered part of a tooth above the gum
Mamelon
Anatomical Crown
Homodo
Triangular Ridges
16. The developmental absence of teeth
Ridge
Anodontia
Secondary teeth
Mesial
17. A lifetime of generations of teeth - like a conveyor belt. such teeth have a breif life and are simple in design
Incisors
Polyphyodont
Monophyodont
Distal
18. The space that contains the pulp or 'nerve' of the tooth
Pulp Cavity
Pulp
Premolars
Pulp Chamber
19. The central innermost portion of the tooth.
Secondary teeth
Pulp
Root
Mamelon
20. Teeth next to the incisors. One tooth per quadrant - primarily used in tearing/ripping food.
Root Apex
Lob
Cuspids
Cingul
21. One of the primary centers of formation in the development of the crown of the tooth.
Premolars
Lob
Mandibl
Ridge
22. Rounded prominences on the incisal edge of newly erupted anterior teeth. (3 bumps on permanent teeth)
Occlusal
Primary Teeth (Deciduous)
Mamelon
Pulp
23. Outer surface of teeth (labial + buccal)
Buccal
Facial
Anodontia
Mesial
24. Formation of two sets of teeth in the life span - 'two generations of teeth'
Buccal
Root
Mamelon
Diphyodont
25. Total of 20 ___________ teeth - 8 incisors - 4 cuspids - and 8 molars. No premolars are developed. Incisors are the first to erupt.
Facial
Primary Teeth (Deciduous)
Anatomical Crown
Secondary teeth
26. The distinctive shape of the dental arches.
Primary Teeth (Deciduous)
Catenary Arch
Secondary teeth
Buccal
27. Surface of the tooth towards the midline
Marginal Ridges
Mesial
Cuspids
Premolars
28. Function is holding and grinding; 4 mandible - 4 maxillary; 2-3 cusps; posterior teeth
Premolars
Enamel
Facial
Cervical Line
29. The entrance point of the nerve - blood vessels and connective tissue that constitutes the pulp.
Mamelon
Ridge
Mesial
Root Apex
30. Total of 32 ______ teeth - 8 incisors - 4 cuspids - 8 premolars - and 12 molars.
Secondary teeth
Cervical Line
Molars
Root Apex
31. Surface of the tooth away from the midline
Cervical Line
Facial
Polyphyodont
Distal
32. The part of a tooth that is embedded in the jaw and serves as support
Root
Maxilla
Labial
Secondary teeth
33. The outermost layer of a tooth; the hardest material in the body; protects nerves and softer material inside the tooth
Cervical Line
Lingual
Dentin
Enamel
34. An encircling girdle-like structure (as the ridge around the base of a tooth)
Root
Dentin
Cingul
Facial
35. The back 12 teeth - used to chew - 3 teeth per quadrant.
Buccal
Molars
Heterodont
Mesial
36. The portion that you can see when veiwing the mouth.
Maxilla
Incisors
Clinical Crown
Mesial
37. A horseshoe shaped bone wich articulates with thte skull by way of the TMJ.
Molars
Ridge
Buccal
Mandibl
38. Distictive classes of teeth that are regionally specialized
Diphyodont
Heterodont
Root
Polyphyodont
39. Two bones forming the upper jaw - rigidly attached to the skull.
Polyphyodont
Catenary Arch
Lingual
Maxilla
40. The center or innermost portion of the tooth containing the pulp
Enamel
Facial
Cervical Line
Pulp Chamber
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