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. What are the extrinsic muscles of the tongue responsible for?
Assist in the movement and functioning of the tongue
Tissue covering the alveolar processes
Small raised projections where taste buds are located
The groove below the lower lips that separates the lips from the chin

2. Sublingual Glands
Mucosa that covers the alveolar bone
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
Creates the wall of the dentinal tubule
Resist rotational forces and hold teeth in inter-proximal contact

3. Incisal third
Assist in depressing the mandible and elevating the tongue
(free gingiva) surrounds the teeth
The largest of three openings located in the posterior region of the hard palate
The crown of the tooth that is nearest the incisal edge near the anterior tooth

4. Mesenchyme Tissue
Quarters of the teeth
Smaller branch that ennervates the soft palate uvula and tonsils
Primary embryonic mesoderm layer that develops during the morpho differentiation period
Third tooth from the midline

5. Eruption
Shaping the tongue during speech - mastication and swallowing
Layers of tooth tissue become calcified
Small dark brushes
Tooth emerges from gum tissue and becomes visible

6. Landmarks
Smaller branch that ennervates the soft palate uvula and tonsils
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements
Fifth cusp located on the mesial surface lingual surface of maxillary first molars

7. Pulp horns
Draws the hyoid bone superiorly and posteriorly and stabilizes it
Pointed elongations of the pulp
Respiratory system - digestive system and glandular organs
Depresses the tongue

8. Oblique Fiber Group
Resists intrusive forces that try to push the tooth inwards
Drains the facial structures beginning near the eye and descending toward the mandible
The development of different forms
Clear fluid secreted by the salivary and mucous glands throughout the mouth

9. Hypercementosis
Small linear depression
Greater - lesser - naso palatine nerves
Causes a thickening of the cementum around the apex
Disk that acts like a cushion between the temporal bone and the condyloid process

10. Facial Vein
Drains the facial structures beginning near the eye and descending toward the mandible
Supportive fibers that anchor the tooth to the bone
Canal or passage for fluid
Composed of mucosa and surrounds the necks of the teeth

11. What are the largest and strongest of the mandibular teeth
Cut - tear - and grind food
Fleshy elevation under the tongue
The mandibular molars
Largest facial bone with two sections joined at the median suture

12. Calcification
Calcified masses of dentin
Layers of tooth tissue become calcified
Two vertical extensions of the mandible
The corners of the mouth where the top and bottom lip meet

13. Facial Artery
Resists intrusive forces that try to push the tooth inwards
Papillae that give the tongue the strawberry effect
Shaping the tongue during speech - mastication and swallowing
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

14. Buccal
Quarters of the teeth
Bi-cuspids
Located on the inside of the body of the ramus
Outside surface Which is towards the cheek - on posterior teeth

15. Histo Differentation
Mucosa that covers the alveolar bone
The development of different tissues
Follows the length of the body of the mandible past the last tooth and up to the ramus
Supplies blood to the face and oral cavity

16. Sublingual Sulcus
Draws down the mandible and corners of the mouth
A horseshoe shaped groove that follow the curve of the dental arch
1500 millimeters
Shed from the oral cavity

17. What are the two ways the TMJs move?
Hinge motion and gliding movement
Mildest form of cleft palate
When the tissue becomes inflamed
The line of demarcation between the attached gingiva and the marginal gingiva

18. Maxillary Sinus
Forms a large cavity above the roots of the maxillary molars
Forming organ takes shape and resembles the shape of a bell
The internal surface at the center of the mandible
Largest of the branches of the external carotid artery; supplies facial structure

19. Function of Geniohyoid
Convex area on the lingual surface near gingiva
Bifurcated/ 5 cusps
Pulls the hyoid bone and the tongue anteriorly
Greater - lesser - naso palatine nerves

20. Apposition
Supplies blood to the brain and the eyes
Calcium salts are deposited into formed tooth
Dentin found between the tubules
Tissue covering the alveolar processes

21. Vermilion Border
Forms into dentin - cementum and pulp of the teeth
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
Portion of the lips where the skin meets the vermilion zone
Pulls the hyoid bone and the tongue anteriorly

22. Lateral Incisor
Second teeth next to central incisors
Pointed or rounded mounds on the crown of the tooth
Folds of tissue to the the lingual veins
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

23. What are the 4 maxillary nerve branches?
Ligaments and muscles of mastication
Raised vertical folds of tissue on the lateral border of the tongue
Portion of the lips where the skin meets the vermilion zone
Zygomatic - infraorbital - posterior superior alevolar - pterygopalatine

24. What is the longest tooth in the mandibular arch?
The mandibular first premolar
Resists forces that try to pull the tooth outward
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
An enclosed area that matures into dentin - cementum and pulp

25. Cusp of Caribelli
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
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
The deepest point of the vestibule
Anterior to the ethmoid bone and part of the orbit (corners of the eye)

26. Alveolus
Bone that surrounds the root of the tooth
The area on the crown of the tooth that is nearest the gingival
Permeante teeth replace the primary teeth
A pocket formed by the soft tissue of cheeks and gingiva

27. Primary palate
Week 11
Separates the developing oral cavities from the nasal cavities
Calcified masses of dentin
Incremental line indicating trauma of birth

28. Mucogingival Junction
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Enamel forming cells
Genioglossus - hyoglossus - styloglossus - palatoglossus
A line of demarcation between the attached gingiva and alveolar mucosa

29. Groove
Primary embryonic mesoderm layer that develops during the morpho differentiation period
Small linear depression
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Joined at the midline and are often referred to as the median Palatine suture

30. Rami
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
Narrow long enamel tuft
The development of different tissues
Two vertical extensions of the mandible

31. Anterior Tonsillar Pillar
Cells that form cementum
Supportive fibers that anchor the tooth to the bone
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Folds of tissue that extend horizontally from the uvula to the base of the tongue

32. Periodontium
Forms the bulk of the tooth
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
A triangular area located behind the last molar
Where the ramus meets the body of the mandible on the outside border

33. Mucosa
Small grooves noted on some teeth
Located behind the ramus of the mandible and branches into five arteries
Lining covers inside of the oral cavity
Teeth after cuspids

34. Pterygoid plexus of the veins
Place where the groove comes together or fissures cross
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
The ridges that run horizontally across the hard palate behind the incisive papilla
A junction or center of veins that directly or indirectly drain a vast area

35. Function of Stylohyoid
Upper arch of the teeth
Two weeks thru 8th week
Found near the cementoenamel junction
Draws the hyoid bone superiorly and posteriorly and stabilizes it

36. Interdental Ligament Group
Opening in the mouth below the orbit on the maxillary bone
Resist rotational forces and hold teeth in inter-proximal contact
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Forming organ takes shape and resembles the shape of a bell

37. Anatomical root
Lining covers inside of the oral cavity
Supportive fibers that anchor the tooth to the bone
Lower arch of the teeth
Portion covered with cementum

38. Retromolar Area
A triangular area located behind the last molar
Retracts or depresses the tongue
1500 millimeters
Teeth after cuspids

39. Soft Palate
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Outside surface Which is towards the cheek - on posterior teeth
A small projection in the middle of the upper lip
Covers muscle tissue in the posterior portion of the palate

40. Lesser Palatine Nerve
6 months/3years
Enamel forming cells
Dentin found between the tubules
Smaller branch that ennervates the soft palate uvula and tonsils

41. Vestibule Fornix
The deepest point of the vestibule
Curve outward
Located behind the ramus of the mandible and branches into five arteries
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10

42. Foliate Papillae
A raised area of tissue laying behind the maxillary central incisors on the hard palate
Cells that form cementum
Raised vertical folds of tissue on the lateral border of the tongue
Maxillary third molar

43. Lingual Veins
A pocket formed by the soft tissue of cheeks and gingiva
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
Bluish veins that run the length of the tongue
Cells that form cementum

44. Lingual Frenum
No bicuspids/ no 3rd molars
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
Incremental line indicating trauma of birth
A line of tissue that extends from the tongue to the floor of the mouth

45. Anomalies
Surface towards the midline
Cheek bones--the most breakable bone in the body
Corners of the mouth
Extreme variations from the norm

46. Papilla
Small raised projections where taste buds are located
Trigeminal - facial - glossopharyngeal - hypoglossal
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
The inner surface of the cheeks

47. Concave
Cells From which connective tissue evolve
Indented
Bony projection found on the bottom border of the temporal bone
A flap of tissue on the on the buccal mucosa

48. Horizontal Fiber Group
Functions the same as the alveolar cfg; originate in alveolar bone
Oval depression of temporal bone in condyloid process
Moves the head backward and laterally
The internal surface at the center of the mandible

49. Labial Mucosa
The largest of the salivary glands which lie just below and in front of the ear
The inner surface of the lips
Radiates from the developmental groove
Mandibular central incisors

50. Cervical Third
The moveable attachment of the muscle
Primary embryonic mesoderm layer that develops during the morpho differentiation period
Genioglossus - hyoglossus - styloglossus - palatoglossus
The area on the crown of the tooth that is nearest the gingival