Test your basic knowledge |

Dental Assisting: Head And Neck Anatomy

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. Lingual
A bat shaped bone which forms the anterior portion of the skull
Excess dryness of the mouth
Inside surface Which is towards the tongue - on anterior teeth
Digstric - Mylohyoid - stylohyoid - geniohyoid

2. Maxilla
Largest facial bone with two sections joined at the median suture
Resist rotational forces and hold teeth in inter-proximal contact
Covers muscle tissue in the posterior portion of the palate
Permeante teeth replace the primary teeth

3. Tendon
Substances between cells
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Band of fibrous tissue which attaches muscle to bone

4. Tubercle of the Lip
Substances between cells
A small projection in the middle of the upper lip
A raised area of tissue laying behind the maxillary central incisors on the hard palate
The cornerstone of the mouth

5. Sphenoid
A bat shaped bone which forms the anterior portion of the skull
The portion of the tooth that meets the gingiva
Demonstrates a disturbance in the body metabolism
Forms into the inner lining of the oral cavitiy and enamel of the teeth

6. Buccal Mucosa
Lift the hyoid bone and assist in opening the mouth
Orbicularis oris - buccinator - mentalis - zygomatic major
The inner surface of the cheeks
The layer of dentin that surrounds the pulp

7. Tome's process
To bulge of curve outward
The inner surface of the cheeks
Responsible for laying down the enamel matrix into place
4th week

8. Infraorbital Foramen
Tissue covering the alveolar processes
Opening in the mouth below the orbit on the maxillary bone
Wearing away of the incisal or occlusal surfaces of the tooth
Of or pertaining to area surrounding naval cavity

9. What are the 4 pairs of muscles of mastication!
Extends from the medial corner of the eye to the nasal cavity
Opening for the ear
Bicuspids
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles

10. Marginal GIngiva
A condition where the lower frenum attachment is very short/DDS/frenectomy
(free gingiva) surrounds the teeth
Cells develop into different tissues
Narrow long enamel tuft

11. Pit
Place where the groove comes together or fissures cross
Mildest form of cleft palate
Conception thru the first two weeks
2 to 3 pints

12. Which molar contains the cusp of Caribelli?
Maxillary first molar
A bat shaped bone which forms the anterior portion of the skull
2 small raised folds of tissue where the lingual frenum attaches
Maxillary third molar

13. What teeth do the deciduous (baby) tooth not include?
Opening for the ear
No bicuspids/ no 3rd molars
Compact bone plate of the facial and lingual surfaces
Two vertical extensions of the mandible

14. Lingual Frenum
A line of tissue that extends from the tongue to the floor of the mouth
Bluish veins that run the length of the tongue
Primitive mouth
The ridges that run horizontally across the hard palate behind the incisive papilla

15. What are the four main functions of deciduous teeth?
Bifurcated/ 5 cusps
Functions the same as the alveolar cfg; originate in alveolar bone
Mastication - aids in speech - influence facial structure - chewing surfaces
Extends from the mucogingival junction to the gingival groove

16. Function of Styloglossus
Lining covers inside of the oral cavity
Orbicularis oris - buccinator - mentalis - zygomatic major
Retracts the tongue and raises the tip of the tongue
Resists forces that try to pull the tooth outward

17. Anatomical root
Cells develop into different tissues
Appears to be loosely attached - covering the alveolar bone.
Extends from the mucogingival junction to the gingival groove
Portion covered with cementum

18. How can you tell if someone has cancer by looking at the tongue?
Tooth emerges from gum tissue and becomes visible
Upper arch of the teeth
Wings of the sphenoid bone
Looking at the border of the tongue

19. What are the eight landmarks of the face?
Primary and permanent
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Papillae that give the tongue the strawberry effect

20. Contour Lines of Owen
Supportive fibers that anchor the tooth to the bone
Extends from the medial corner of the eye to the nasal cavity
Demonstrates a disturbance in the body metabolism
Origin of the tooth

21. Interdental Ligament Group
Smaller branch that ennervates the soft palate uvula and tonsils
Resist rotational forces and hold teeth in inter-proximal contact
A dense tissue covered with mucous membrane that can withstand chewing
Enamel forming cells

22. Parotid glands
Bluish veins that run the length of the tongue
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
The largest of the salivary glands which lie just below and in front of the ear
A small projection in the middle of the upper lip

23. Purpose of premolars
Disk that acts like a cushion between the temporal bone and the condyloid process
Used to pulverize food
Third tooth from the midline
Three cusps/ trifurcated

24. Midline
Functions the same as the alveolar cfg; originate in alveolar bone
A line of demarcation between the attached gingiva and alveolar mucosa
Mucosa that covers the alveolar bone
Middle line of the teeth

25. What are the 3 branches of the mandibular nerve branch?
Buccal - lingual - and inferior alveolar
Oval depression of temporal bone in condyloid process
Forms a large cavity above the roots of the maxillary molars
Resist rotational forces and hold teeth in inter-proximal contact

26. Taste Buds
Act to maintain the gingival integrity of the marginal gingiva
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
Oval structures that are located on the dorsal surface of the tongue
Allow flexibility during mastication - speech

27. How much saliva do the salivary glands produce in 24 hours?
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
A rounded area beyond the last posterior maxillary tooth
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle
2 to 3 pints

28. Philtrum
Compact bone plate of the facial and lingual surfaces
What divides the tongue in half and runs from the base to the tip of the tongue
Vertical groove on the midline of the upper lip
4th week

29. Mesoderm
A shallow v-shaped depression located below the bottom of the nose and above the lips
Forms into dentin - cementum and pulp of the teeth
Pointed or rounded mounds on the crown of the tooth
Two weeks thru 8th week

30. Pulpitis
The mandibular molars
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
When the tissue becomes inflamed
Sharp projection on the under surface of the temporal bone

31. Mandibular Artery
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Located behind the ramus of the mandible and branches into five arteries
Oval depression of temporal bone in condyloid process
Teeth after cuspids

32. Linea Alba
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
The largest of three openings located in the posterior region of the hard palate
Outside surface Which is towards the cheek - on posterior teeth
Shaping the tongue during speech - mastication and swallowing

33. Maxillary Sinus
Draws down the mandible and corners of the mouth
(free gingiva) surrounds the teeth
Forms a large cavity above the roots of the maxillary molars
An enclosed area that matures into dentin - cementum and pulp

34. What are the characteristics of deciduous teeth?
Drains the floor of the mouth
Week 11
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Maxillary first molar

35. Lines of Retzius
Portion of the lips that are red
Mucosa that covers the alveolar bone
Incremental lines around the layers of the enamel matrix
When the tissue becomes inflamed

36. Papilla
Platysma - trapezius - sternocleidomastoid
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
Allow flexibility during mastication - speech
Small raised projections where taste buds are located

37. Pulp horns
Genioglossus - hyoglossus - styloglossus - palatoglossus
Located on the inside of the body of the ramus
Pointed elongations of the pulp
Week 11

38. What are the four major muscles of facial expression
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
Orbicularis oris - buccinator - mentalis - zygomatic major
Healthy gingival tissue with an orange texture
The development of different tissues

39. Enamel Lamellae
Band of fibrous tissue which attaches bone to bone
A faint line going from the ala of the nose to the corner of the mouth
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
Narrow long enamel tuft

40. External Auditory Meatus
20
Opening for the ear
Scroll like bones outside the nasal cavaties
Small curved lines that run parellel to the CEJ

41. How many cusps/ roots do the maxillary first molars have?
Origin of the tooth
4/5 cusps/ 3 roots
Substances between cells
Arteries supplying blood to most of the head and the neck

42. How many cusps/ roots do the 2/3rd mandibular molars have?
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
Creates the wall of the dentinal tubule
4 cusps/ bifurcated
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue

43. Mamelons
Largest of the branches of the external carotid artery; supplies facial structure
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Vertical groove on the midline of the upper lip
Three bulges on the incisal edge

44. Vestibule
Covering over the enamel that is left over from the epithelium ameloblasts
An extension of an unattached gingiva and the tooth
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
A pocket formed by the soft tissue of cheeks and gingiva

45. Gland
Cluster of tissue that manufactures and secrets fluid
Where the proximal sides of two teeth come together and touch
Aid in attaching the gingiva to the alveolar bone
Sharp projection on the under surface of the temporal bone

46. How many teeth are in the Primary teeth?
Forms into dentin - cementum and pulp of the teeth
20
Short tubules that seem to crossover to the enamel
Opening in the mouth below the orbit on the maxillary bone

47. Common Carotid
Dentin found between the tubules
Draws the hyoid bone superiorly and posteriorly and stabilizes it
Arteries supplying blood to most of the head and the neck
Mildest form of cleft palate

48. What are the 4 maxillary nerve branches?
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Zygomatic - infraorbital - posterior superior alevolar - pterygopalatine
Elevated are of enamel that forms the Mesial and distal borders
Assist in depressing the mandible and elevating the tongue

49. Submandibular Glands

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

50. Histo Differentiation
Found near the cementoenamel junction
Cells develop into different tissues
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Forming organ takes shape and resembles the shape of a bell