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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. Nasal-Labial Groove
Bifurcated/ 5 cusps
A faint line going from the ala of the nose to the corner of the mouth
Triferacated
Of or pertaining to area surrounding naval cavity
2. Glenoid Fossa
Buccal - lingual - and inferior alveolar
Place where the groove comes together or fissures cross
Drains the floor of the mouth
Oval depression of temporal bone in condyloid process
3. Muscle origine
Cells that form cementum
The fixed attachment of a muscle
1500 millimeters
Demonstrates a disturbance in the body metabolism
4. Mylohyoid Artery
Aid in attaching the gingiva to the alveolar bone
Rounded depression on a tooth
Branches off the inferior alveolar artery before intering the mandibular canal
Bicuspids
5. External Carotid Artery
Supplies blood to the face and oral cavity
Substances between cells
Chewing and swallowing food
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
6. Hard Palate
To dissolve
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Primary embryonic mesoderm layer that develops during the morpho differentiation period
Enamel forming cells
7. Gingiva
Composed of mucosa and surrounds the necks of the teeth
Origin - fixed point - insertion - movable point
Primary and permanent
6 years old
8. Secondary Dentin
Tissue fluid surrounding the cell membrane of the odontoblast
Forms after the completion of the apical foramen
Bifurcated/ 5 cusps
9 weeks thru birth
9. Dentogingival Fiber Groups
Follows the length of the body of the mandible past the last tooth and up to the ramus
Digstric - Mylohyoid - stylohyoid - geniohyoid
Act to maintain the gingival integrity of the marginal gingiva
Disk that acts like a cushion between the temporal bone and the condyloid process
10. Enamel Dysplasia
Two vertical extensions of the mandible
Secrete saliva to assist in process of digestion
When the surface of the teeth becomes grooved
Molars
11. Apposition
The tip of the chin
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Calcium salts are deposited into formed tooth
Conception thru the first two weeks
12. Pterygoid plexus of the veins
Largest of the branches of the external carotid artery; supplies facial structure
Outside surface Which is towards the lips
A shallow v-shaped depression located below the bottom of the nose and above the lips
A junction or center of veins that directly or indirectly drain a vast area
13. Interdental Septum
A bony projection that separates each socket
Mildest form of cleft palate
Responsible for laying down the enamel matrix into place
Full deep rich sound in nasal cavity
14. Function of Digastric
Excess dryness of the mouth
Pulverizing or chewing surface
Lift the hyoid bone and assist in opening the mouth
Elevated are of enamel that forms the Mesial and distal borders
15. How can you tell if someone has cancer by looking at the tongue?
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
Looking at the border of the tongue
Largest facial bone with two sections joined at the median suture
To lubricate the oral cavity and to moisten food
16. Maxillary Arch
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
4 cusps/ bifurcated
The inner surface of the lips
Upper arch of the teeth
17. Mesial
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Surface towards the midline
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Excess bone formations under the tongue on the alvellar bone
18. Cyto differentiation
Cells that form cementum
The development of different cells
Cluster of tissue that manufactures and secrets fluid
A bony projection that separates each socket
19. Function of Sternocleidomastoid
Papillae that give the tongue the strawberry effect
Indented
Assists in elevating the chin
Outside surface Which is towards the cheek - on posterior teeth
20. Mastication
Dentin found between the tubules
A junction or center of veins that directly or indirectly drain a vast area
The slightly raised line extending down the middle of the hard palate
Chewing and swallowing food
21. Maxillary Nerve Branch
Lower arch of the teeth
When the surface of the teeth becomes grooved
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
22. Fibroblasts
Bone that surrounds the root of the tooth
The development of different tissues
An enclosed area that matures into dentin - cementum and pulp
Cells From which connective tissue evolve
23. Contour Lines of Owen
Band of fibrous tissue which attaches bone to bone
The internal surface at the center of the mandible
The deepest point of the vestibule
Demonstrates a disturbance in the body metabolism
24. Alveolar Mucosa
Inner portion of the enamel rod
Mucosa that covers the alveolar bone
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
25. Denticion
Natural teeth in position
Bi-cuspids
Tissue fluid surrounding the cell membrane of the odontoblast
A junction or center of veins that directly or indirectly drain a vast area
26. Gingival Hyperplasia
When cells rapidly increase in number
The corners of the mouth where the top and bottom lip meet
An overgrowth of the gingival tissue
A rounded area beyond the last posterior maxillary tooth
27. What is another name for premolars?
The groove below the lower lips that separates the lips from the chin
Small linear depression
Bi-cuspids
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
28. What are the four main functions of deciduous teeth?
Hinge motion and gliding movement
Mastication - aids in speech - influence facial structure - chewing surfaces
12 years
Molaris meaning millstone
29. How is the TMJ supported and what controls their movement?
Ligaments and muscles of mastication
Chewing and swallowing food
Forming organ takes shape and resembles the shape of a bell
(free gingiva) surrounds the teeth
30. Cusp of Caribelli
Supplies blood to the brain and the eyes
Tubules that pass through the entire surface of the dentin
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
The layer of dentin that surrounds the pulp
31. Dentinal Hypersensitivity
Retracts the tongue and raises the tip of the tongue
Excess dryness of the mouth
When the dentin is exposed
Contains six branches that supply blood to the pharynx muscles - soft palate tonsils - the posterior of the tongue - sub mandibular gland - muscles of the face - nasal septom - nose and the eyelids
32. Lingual Nerve Branch
Outside surface Which is towards the lips
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
Intervates the floor of the mouth the ventral side of the tongue taste buds on the anterior two thirds of the tongue and the lingual gingiva
Dentin found between the tubules
33. Tubercle of the Lip
Extends from the medial corner of the eye to the nasal cavity
A small projection in the middle of the upper lip
A shallow v-shaped depression located below the bottom of the nose and above the lips
9 months (5 months ultrasound to tell sex)
34. Interradical Fiber Group
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids
Found only in multi-rooted teeth and resists rotational forces
A junction or center of veins that directly or indirectly drain a vast area
Folds of tissue to the the lingual veins
35. What are the characteristics of deciduous teeth?
The teeth located at the back of the mouth
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Cut - tear - and grind food
Bone that surrounds the root of the tooth
36. Alveolar Crest Fiber Group
Function to resist rotational forces and tilting
Chewing and swallowing food
Small yellowish glands on the labial mucosa
Wings of the sphenoid bone
37. Morphology
Peg shaped crown with a smooth surface
Study of the structure and form of the teeth
Retracts or depresses the tongue
Descends from the cusp and widens as it runs down to the midline area of the occlusal surface
38. Gestational period
Forms after the completion of the apical foramen
9 months (5 months ultrasound to tell sex)
Study of prenatal growth and the developing process of an individual
Slight ridges on the cervical third of certain teeth that extend mesiodistally
39. Incisal Edge
A shallow v-shaped depression located below the bottom of the nose and above the lips
Biting edge of the teeth
Sharp projection on the under surface of the temporal bone
The teeth located at the back of the mouth
40. Epithelial Attachment
Excess bone formations under the tongue on the alvellar bone
Follows the length of the body of the mandible past the last tooth and up to the ramus
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Forms into the inner lining of the oral cavitiy and enamel of the teeth
41. What are the characteristics of permanent teeth?
Digstric - Mylohyoid - stylohyoid - geniohyoid
Enamel is thinner - pulp chamber is smaller -
Pointed elongations of the pulp
Oval structures that are located on the dorsal surface of the tongue
42. When do the primary teeth begin erupting and are fully erupted?
Small head - low nasal bridge - thin upper lip - small mandible
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Three bulges on the incisal edge
6 months/3years
43. What are the 4 extrinsic muscles of the tongue
Primary and permanent
The largest of the salivary glands which lie just below and in front of the ear
Trigeminal nerve--because it ennervates the maxilla and the mandible
Genioglossus - hyoglossus - styloglossus - palatoglossus
44. Mamelons
Three bulges on the incisal edge
Greater - lesser - naso palatine nerves
Separates the developing oral cavities from the nasal cavities
An extension of an unattached gingiva and the tooth
45. Develop Mental Groove
Occurs in unusual ways and distorted crowns may appear
Orbicularis oris - buccinator - mentalis - zygomatic major
Formed by the uniting of lobes during development of crown
Excess bone in the middle of the palate
46. Fordyce's Spots
Origin of the tooth
Calcium salts are deposited into formed tooth
9 weeks thru birth
Small yellowish glands on the labial mucosa
47. Where is the palate located?
The development of different cells
Acts as anchors between the alveolar bone and the tooth
Allow flexibility during mastication - speech
Inside of the maxillary teeth
48. Sublingual Caruncles
Lift the hyoid bone and assist in opening the mouth
2 small raised folds of tissue where the lingual frenum attaches
Elevates the posterior portion of the tongue and narrows the fauces
Synovial fluid
49. Maxillary vein
The slightly raised line extending down the middle of the hard palate
Drains the Pterygoid plexus of the veins
Occurs in unusual ways and distorted crowns may appear
The inner surface of the cheeks
50. Cleft Lip
Opening in the mouth below the orbit on the maxillary bone
Assist in depressing the mandible and elevating the tongue
Act to maintain the gingival integrity of the marginal gingiva
Separation of the upper lip ( 1 of 1000 live births)