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