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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. Sharpey's Fibers
A raised area of tissue laying behind the maxillary central incisors on the hard palate
Disk that acts like a cushion between the temporal bone and the condyloid process
Acts as anchors between the alveolar bone and the tooth
Cells From which connective tissue evolve

2. Mylohyoid Artery
The disc becomes displaced
Mildest form of cleft palate
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Branches off the inferior alveolar artery before intering the mandibular canal

3. Submandibular Glands

4. Ectoderm
Forms into the inner lining of the oral cavitiy and enamel of the teeth
The tip of the chin
An enclosed area that matures into dentin - cementum and pulp
Calcified masses of dentin

5. Papilla
Arteries supplying blood to most of the head and the neck
Tubules that pass through the entire surface of the dentin
The layer of dentin that surrounds the pulp
Small raised projections where taste buds are located

6. Concave
Excess dryness of the mouth
Supportive fibers that anchor the tooth to the bone
Indented
The disc becomes displaced

7. Cortical Bone
Assist in the movement and functioning of the tongue
Compact bone plate of the facial and lingual surfaces
Located behind the ramus of the mandible and branches into five arteries
A shallow v-shaped depression located below the bottom of the nose and above the lips

8. Dental Sac
Layers of tooth tissue become calcified
An enclosed area that matures into dentin - cementum and pulp
Acts as anchors between the alveolar bone and the tooth
Week 12

9. Pulp Stones
Calcified masses of dentin
The layer of dentin that surrounds the pulp
Drains the Pterygoid plexus of the veins
Calcium salts are deposited into formed tooth

10. Meniscus
Located in a depressed area between the pillars
Inside surface Which is towards the tongue - on anterior teeth
Disk that acts like a cushion between the temporal bone and the condyloid process
Resists intrusive forces that try to push the tooth inwards

11. Alveologingival Fiber Groups
Aid in attaching the gingiva to the alveolar bone
Substances between cells
4 cusps/ bifurcated
Developmental segment of a tooth

12. Endoderm
Respiratory system - digestive system and glandular organs
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
A raised area of tissue laying behind the maxillary central incisors on the hard palate
32

13. Which molar is the wisdom tooth
Portion of the root seen in the oral cavity
Incremental line indicating trauma of birth
Quarters of the teeth
Maxillary third molar

14. Posterior Teeth
The teeth located at the back of the mouth
Trigeminal nerve--because it ennervates the maxilla and the mandible
Middle two teeth in the mouth
An overgrowth of the gingival tissue

15. Oblique Fiber Group
Covering over the enamel that is left over from the epithelium ameloblasts
Tooth emerges from gum tissue and becomes visible
Shaping the tongue during speech - mastication and swallowing
Resists intrusive forces that try to push the tooth inwards

16. Ala of the Nose
Middle two teeth in the mouth
Where the ramus meets the body of the mandible on the outside border
Small head - low nasal bridge - thin upper lip - small mandible
The outer edge of the nostril

17. Histo Differentiation
What divides the tongue in half and runs from the base to the tip of the tongue
Bicuspids
Portion of the lips where the skin meets the vermilion zone
Cells develop into different tissues

18. Rami
Band of fibrous tissue which attaches bone to bone
Two vertical extensions of the mandible
The disc becomes displaced
Forms into the inner lining of the oral cavitiy and enamel of the teeth

19. Stensens' Duct (aka Parotid)

20. Occlusion third
Small curved lines that run parellel to the CEJ
An enclosed area that matures into dentin - cementum and pulp
Occlusal surface of the posterior tooth
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip

21. Circumpulpal Dentin
Excess dryness of the mouth
The layer of dentin that surrounds the pulp
Orbicularis oris - buccinator - mentalis - zygomatic major
Opening in the mouth below the orbit on the maxillary bone

22. Palatine Raphe
The space between the unattached gingiva and the tooth
The slightly raised line extending down the middle of the hard palate
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
Cluster of tissue that manufactures and secrets fluid

23. Cemental Spurs
Draws down the mandible and corners of the mouth
Found near the cementoenamel junction
Intervating the anterior teeth and the labial gingiva
12 years

24. Histology
Outside surface Which is towards the lips
The study of the microscopic structure and functions of tissues
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth

25. What are the two ways the TMJs move?
Clear fluid secreted by the salivary and mucous glands throughout the mouth
Hinge motion and gliding movement
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements
Interdental ligament

26. What is origin and What is insertion?
Branches off the inferior alveolar artery before intering the mandibular canal
Origin - fixed point - insertion - movable point
Small curved lines that run parellel to the CEJ
Assists in elevating the chin

27. What are the 12 landmarks of the oral cavity?

28. Pulp horns
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
Located in a depressed area between the pillars
Pointed elongations of the pulp
Chewing and swallowing food

29. Vermilion Zone
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Composed of mucosa and surrounds the necks of the teeth
Portion of the lips that are red
Lower arch of the teeth

30. What are the largest and strongest of the mandibular teeth
4 cusps/ bifurcated
A rounded area beyond the last posterior maxillary tooth
The inner surface of the cheeks
The mandibular molars

31. How many teeth are in the Primary teeth?
20
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
The crown of the tooth that is nearest the incisal edge near the anterior tooth
Excess dryness of the mouth

32. Succedaneous teeth
Layers of tooth tissue become calcified
Three cusps/ trifurcated
Permeante teeth replace the primary teeth
Quarters of the teeth

33. Intertubular Dentin
The largest of three openings located in the posterior region of the hard palate
Dentin found between the tubules
Study of prenatal growth and the developing process of an individual
Drains the Pterygoid plexus of the veins

34. Parotid glands
The line of demarcation between the attached gingiva and the marginal gingiva
Intervating the anterior teeth and the labial gingiva
The largest of the salivary glands which lie just below and in front of the ear
Covering over the enamel that is left over from the epithelium ameloblasts

35. Cusps
Pointed or rounded mounds on the crown of the tooth
Functions the same as the alveolar cfg; originate in alveolar bone
When the surface of the teeth becomes grooved
Three bulges on the incisal edge

36. Glenoid Fossa
Three bulges on the incisal edge
Convex area on the lingual surface near gingiva
Oval depression of temporal bone in condyloid process
Opening for the ear

37. Labial
Bifurcated/ 5 cusps
The study of the microscopic structure and functions of tissues
Outside surface Which is towards the lips
Drains the superficial veins of the face and neck into the subclavian vein

38. Imbritation Lines of Von Eboner
Depresses the tongue
Stained growth rings in dentin
Lower arch of the teeth
Chewing and swallowing food

39. Greater Palatine Nerve
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Mildest form of cleft palate
Circle and tighten the gingival margin around the neck of the tooth
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth

40. Hard Palate
Slight ridges on the cervical third of certain teeth that extend mesiodistally
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
The slightly raised line extending down the middle of the hard palate
A bony plate covered with keratinized tissue located in the anterior portion of the palate

41. Circumvallate Papillae
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
The ridges that run horizontally across the hard palate behind the incisive papilla
A pocket formed by the soft tissue of cheeks and gingiva
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10

42. Maxilla
Largest facial bone with two sections joined at the median suture
Portion of the lips that are red
Study of the structure and form of the teeth
Cut - tear - and grind food

43. Rod Core
Covers muscle tissue in the posterior portion of the palate
Inner portion of the enamel rod
Calcium salts are deposited into formed tooth
The cornerstone of the mouth

44. Labial Commissures
32
Zygomatic - infraorbital - posterior superior alevolar - pterygopalatine
Corners of the mouth
Inside surface Which is towards the tongue - on anterior teeth

45. Labial Mucosa
10 days
The inner surface of the lips
Platysma - trapezius - sternocleidomastoid
The layer of dentin that surrounds the pulp

46. How many teeth are in the permanent set of teeth?
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Surface towards the midline
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Short tubules that seem to crossover to the enamel

47. Apical Fiber Group
Excess dryness of the mouth
Layers of tooth tissue become calcified
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Resists forces that try to pull the tooth outward

48. Alveolar Mucosa
Draws down the mandible and corners of the mouth
Largest facial bone with two sections joined at the median suture
Portion covered with cementum
Appears to be loosely attached - covering the alveolar bone.

49. What are the 4 taste senses and where are they located?
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Compact bone plate of the facial and lingual surfaces
Wearing away of the incisal or occlusal surfaces of the tooth
Forms the remaining 2/3 of the hard and soft palate uvula

50. Odontogenesis
The largest of three openings located in the posterior region of the hard palate
6 years old
Origin of the tooth
Bone that surrounds the root of the tooth