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Test your basic knowledge |
Dental Assisting: Head And Neck Anatomy
Start Test
Study First
Subjects
:
health-sciences
,
dentistry
Instructions:
Answer 50 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. Cusp of Caribelli
Two weeks thru 8th week
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
Incremental line indicating trauma of birth
Supplies blood to the roots and periodontal ligaments of the molars and premolars
2. Develop Mental Groove
Triangular space in the gingival direction when two adjacent teeth are in contact
Supplies blood to the face and oral cavity
Clear fluid secreted by the salivary and mucous glands throughout the mouth
Formed by the uniting of lobes during development of crown
3. Fissure
Small curved lines that run parellel to the CEJ
6 years old
Portion of the lips where the skin meets the vermilion zone
Resulting from an imperfect union where the lobes come together
4. Fossa
Rounded depression on a tooth
Portion of the lips that are red
Elevates the posterior portion of the tongue and narrows the fauces
Duct located on the parotid papilla
5. Dental Arteries
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Canal or passage for fluid
Vertical groove on the midline of the upper lip
A condition where the lower frenum attachment is very short/DDS/frenectomy
6. Palatine Rugae
The ridges that run horizontally across the hard palate behind the incisive papilla
Cells From which connective tissue evolve
The line of demarcation between the attached gingiva and the marginal gingiva
Wings of the sphenoid bone
7. Cortical Bone
Compact bone plate of the facial and lingual surfaces
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Bicuspids
The groove below the lower lips that separates the lips from the chin
8. Interradicular Septum
Assist in the movement and functioning of the tongue
The bone that separates the root on a tooth
Bifurcated/ 5 cusps
Primitive mouth
9. Imbracation Lines
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids
Molars
Orbicularis oris - buccinator - mentalis - zygomatic major
Small curved lines that run parellel to the CEJ
10. Parotid glands
The largest of the salivary glands which lie just below and in front of the ear
Substances between cells
Creates the wall of the dentinal tubule
Cells develop into different tissues
11. Exfoliated
Shed from the oral cavity
A period of both primary teeth and permeant teeth are in the dentition
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
Small curved lines that run parellel to the CEJ
12. Maxillary Sinus
The corners of the mouth where the top and bottom lip meet
Largest of the branches of the external carotid artery; supplies facial structure
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Forms a large cavity above the roots of the maxillary molars
13. What are the eight landmarks of the face?
Located behind the ramus of the mandible and branches into five arteries
Clear fluid secreted by the salivary and mucous glands throughout the mouth
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Bi-cuspids
14. What teeth are removed if overcrowding occurs?
Acts as anchors between the alveolar bone and the tooth
The cornerstone of the mouth
Bicuspids
Dividing point of a multi-rooted tooth
15. Saliva
Respiratory system - digestive system and glandular organs
A flap of tissue on the on the buccal mucosa
Clear fluid secreted by the salivary and mucous glands throughout the mouth
Elevated are of enamel that forms the Mesial and distal borders
16. What are the three muscles of the neck?
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
Two vertical extensions of the mandible
Platysma - trapezius - sternocleidomastoid
Elevates the posterior portion of the tongue and narrows the fauces
17. Anterior Alveolar Nerve
The internal surface at the center of the mandible
Pulls the hyoid bone and the tongue anteriorly
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Found only in multi-rooted teeth and resists rotational forces
18. Tome's process
Lower arch of the teeth
Responsible for laying down the enamel matrix into place
The outer edge of the nostril
20
19. Furcation
A junction or center of veins that directly or indirectly drain a vast area
A line of tissue that extends from the tongue to the floor of the mouth
Dividing point of a multi-rooted tooth
Wearing away of the incisal or occlusal surfaces of the tooth
20. Buccal
To bulge of curve outward
Outside surface Which is towards the cheek - on posterior teeth
Three bulges on the incisal edge
When cells rapidly increase in number
21. Marginal GIngiva
A condition where the lower frenum attachment is very short/DDS/frenectomy
(free gingiva) surrounds the teeth
Triangular space in the gingival direction when two adjacent teeth are in contact
The slightly raised line extending down the middle of the hard palate
22. Calcification
Layers of tooth tissue become calcified
Origin of the tooth
A triangular area located behind the last molar
Small linear depression
23. Fungiform Papillae
Papillae that give the tongue the strawberry effect
Cells From which connective tissue evolve
Short tubules that seem to crossover to the enamel
Triangular space in the gingival direction when two adjacent teeth are in contact
24. Odontoblast
Forms into dentin - cementum and pulp of the teeth
Initiation of the tooth begins
Small linear depression
Cells that form dentin
25. Rod Core
Bluish veins that run the length of the tongue
Wearing away of the incisal or occlusal surfaces of the tooth
Joined at the midline and are often referred to as the median Palatine suture
Inner portion of the enamel rod
26. Function of Styloglossus
Shed from the oral cavity
Retracts the tongue and raises the tip of the tongue
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Oval depression of temporal bone in condyloid process
27. TMJ bones are bathed In what solution?
1500 millimeters
Inside surface Which is towards the tongue - on anterior teeth
Constricts the nasopharyngeal passage and elevates the larynx
Synovial fluid
28. Convects
2 small raised folds of tissue where the lingual frenum attaches
A dense tissue covered with mucous membrane that can withstand chewing
The teeth located at the back of the mouth
Curve outward
29. Epithelial Attachment
Week 12
Portion of the lips that are red
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Two cortical bone plates that come together between each tooth
30. Middle Superior Alveolar Nerve
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids
Outside surface Which is towards the lips
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
A condition where the lower frenum attachment is very short/DDS/frenectomy
31. Mental Protuberance
The tip of the chin
When cells rapidly increase in number
When the tissue becomes inflamed
A bony projection that separates each socket
32. Alveologingival Fiber Groups
Aid in attaching the gingiva to the alveolar bone
The first predentin that is formed and matures within the tube
The area on the crown of the tooth that is nearest the gingival
Calcified masses of dentin
33. Muscle origine
Orbicularis oris - buccinator - mentalis - zygomatic major
The fixed attachment of a muscle
9 months (5 months ultrasound to tell sex)
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
34. Histo Differentation
Shaping the tongue during speech - mastication and swallowing
Excess bone formations under the tongue on the alvellar bone
Folds of tissue that extend horizontally from the uvula to the base of the tongue
The development of different tissues
35. Maxilla
The cornerstone of the mouth
Largest facial bone with two sections joined at the median suture
Draws down the mandible and corners of the mouth
Week 12
36. Buckle groove
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle
Extends from the medial corner of the eye to the nasal cavity
Cluster of tissue that manufactures and secrets fluid
37. Function of Palatopharyngeal
The inner surface of the lips
Constricts the nasopharyngeal passage and elevates the larynx
Enamel forming cells
The smallest of the salivary glands located on the floor of the mouth which empty into the mouth thru either the ducts of Rivinus or Bartholin
38. Secondary palate
The development of different forms
Creates the wall of the dentinal tubule
Forms the remaining 2/3 of the hard and soft palate uvula
The development of different cells
39. Pulp horns
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Pointed elongations of the pulp
Middle line of the teeth
Bi-cuspids
40. Submandibular Glands
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41. Gingiva
Layers of tooth tissue become calcified
Permeante teeth replace the primary teeth
A dense tissue covered with mucous membrane that can withstand chewing
A period of both primary teeth and permeant teeth are in the dentition
42. Lingual Frenum
A line of tissue that extends from the tongue to the floor of the mouth
Synovial fluid
Cells that form dentin
Place where the groove comes together or fissures cross
43. Cleft Palate
Drains the facial structures beginning near the eye and descending toward the mandible
A pocket formed by the soft tissue of cheeks and gingiva
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
44. Mantle Dentin
The fixed attachment of a muscle
The first predentin that is formed and matures within the tube
Occlusal surface of the posterior tooth
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
45. Maxillary Nerve Branch
Narrow long enamel tuft
Mildest form of cleft palate
Small bony projections surrounding the lingual foramen
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
46. What are the 2 sets of teeth?
Circle and tighten the gingival margin around the neck of the tooth
6 years old
Primary and permanent
A junction or center of veins that directly or indirectly drain a vast area
47. Xygote
(free gingiva) surrounds the teeth
When cells rapidly increase in number
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
A shallow v-shaped depression located below the bottom of the nose and above the lips
48. What is the smallest tooth in dentition?
Supplies blood to the brain and the eyes
Mandibular central incisors
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Growth from the oral epithelium that gives rise to the tooth buds
49. Function of Sternocleidomastoid
Bone that surrounds the root of the tooth
Assists in elevating the chin
Forms after the completion of the apical foramen
Indented
50. Dentinal Tubules
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Middle line of the teeth
The internal surface at the center of the mandible
Tubules that pass through the entire surface of the dentin