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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. Naso Palatine Nerve
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Small raised projections where taste buds are located
Scroll like bones outside the nasal cavaties
A condition where the lower frenum attachment is very short/DDS/frenectomy

2. Nasolacrimal groove
Trigeminal nerve--because it ennervates the maxilla and the mandible
When cells rapidly increase in number
Extends from the medial corner of the eye to the nasal cavity
Allow flexibility during mastication - speech

3. Perikymata
Ligaments and muscles of mastication
Small grooves noted on some teeth
Palatoglossus - palatopharyngeal
Cells From which connective tissue evolve

4. Mylohyoid Nerve Branch
Middle line of the teeth
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Function to resist rotational forces and tilting

5. Cleft Palate
Indented
Mucosa that covers the alveolar bone
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
A condition where the lower frenum attachment is very short/DDS/frenectomy

6. Morphology
Study of the structure and form of the teeth
Primary and permanent
A period of both primary teeth and permeant teeth are in the dentition
Located on the inside of the body of the ramus

7. How many cusps/ roots do the 2/3rd mandibular molars have?
Set of arches found farther in the back of the throat
Bone that surrounds the root of the tooth
4 cusps/ bifurcated
Draws the hyoid bone superiorly and posteriorly and stabilizes it

8. Fetus
Developmental segment of a tooth
The layer of dentin that surrounds the pulp
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
9 weeks thru birth

9. Gland
Indented
Cluster of tissue that manufactures and secrets fluid
Natural teeth in position
Draws the hyoid bone superiorly and posteriorly and stabilizes it

10. Groove
A rounded area beyond the last posterior maxillary tooth
Biting edge of the teeth
Indented
Small linear depression

11. Mastoid process
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
Bony projection found on the bottom border of the temporal bone
Duct located on the parotid papilla
Of or pertaining to area surrounding naval cavity

12. Ligament
Compact bone plate of the facial and lingual surfaces
Band of fibrous tissue which attaches bone to bone
A shallow v-shaped depression located below the bottom of the nose and above the lips
Wings of the sphenoid bone

13. Greater Palatine Foramen
Sharp projection on the under surface of the temporal bone
The moveable attachment of the muscle
A shallow v-shaped depression located below the bottom of the nose and above the lips
The largest of three openings located in the posterior region of the hard palate

14. Mastication
Canal or passage for fluid
Chewing and swallowing food
A bony projection that separates each socket
Portion of the lips where the skin meets the vermilion zone

15. Hard Palate
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10
Two
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Drains the facial structures beginning near the eye and descending toward the mandible

16. Oblique Fiber Group
Place where the groove comes together or fissures cross
Forms after the completion of the apical foramen
Extends from the mucogingival junction to the gingival groove
Resists intrusive forces that try to push the tooth inwards

17. Paranasal
Resulting from an imperfect union where the lobes come together
12 years
Divides the crown and the root
Of or pertaining to area surrounding naval cavity

18. External Oblique Ridge
Where the proximal sides of two teeth come together and touch
Full deep rich sound in nasal cavity
Opening in the mouth below the orbit on the maxillary bone
Follows the length of the body of the mandible past the last tooth and up to the ramus

19. What are the eight landmarks of the face?
The study of the microscopic structure and functions of tissues
Rounded depression on a tooth
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Greater - lesser - naso palatine nerves

20. Infraorbital Foramen
Buccal - lingual - and inferior alveolar
Opening in the mouth below the orbit on the maxillary bone
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider

21. Midline
Middle line of the teeth
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Curve outward
Extreme variations from the norm

22. Pterygoid Artery
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Function to resist rotational forces and tilting
The fixed attachment of a muscle
Bi-cuspids

23. Maxillary Artery
Largest of the branches of the external carotid artery; supplies facial structure
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
The layer of dentin that surrounds the pulp
Platysma - trapezius - sternocleidomastoid

24. Gums
Circle and tighten the gingival margin around the neck of the tooth
Tissue covering the alveolar processes
A shallow v-shaped depression located below the bottom of the nose and above the lips
The development of different forms

25. Uvula
A junction or center of veins that directly or indirectly drain a vast area
Occlusal surface of the posterior tooth
A projection that extends off the back of the soft palate
Supportive fibers that anchor the tooth to the bone

26. Taste Buds
Located behind the ramus of the mandible and branches into five arteries
Covers muscle tissue in the posterior portion of the palate
Oval structures that are located on the dorsal surface of the tongue
Synovial fluid

27. Pit
Functions the same as the alveolar cfg; originate in alveolar bone
Substances between cells
Place where the groove comes together or fissures cross
Chewing and swallowing food

28. Maxillary vein
When the surface of the teeth becomes grooved
Drains the Pterygoid plexus of the veins
Surface away from the midline
Assist in the movement and functioning of the tongue

29. What is the longest tooth in the mandibular arch?
Teeth after cuspids
The mandibular first premolar
Mildest form of cleft palate
Found only in multi-rooted teeth and resists rotational forces

30. Mixed Dentition
Bone that surrounds the root of the tooth
Buccal - lingual - and inferior alveolar
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
A period of both primary teeth and permeant teeth are in the dentition

31. What are the only permeant teeth that are not succedaneous?
Molars
When cells rapidly increase in number
Found near the cementoenamel junction
Tissue covering the alveolar processes

32. Distal
Surface away from the midline
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
The first predentin that is formed and matures within the tube
The disc becomes displaced

33. Function of Trapezius
Moves the head backward and laterally
The space between the unattached gingiva and the tooth
Joined at the midline and are often referred to as the median Palatine suture
A projection that extends off the back of the soft palate

34. Maxillary Sinus
The inner surface of the cheeks
Three bulges on the incisal edge
Used to pulverize food
Forms a large cavity above the roots of the maxillary molars

35. Fimbriated Folds
Bicuspids
When the surface of the teeth becomes grooved
Cells develop into different tissues
Folds of tissue to the the lingual veins

36. Marginal GIngiva
Circle and tighten the gingival margin around the neck of the tooth
Divides the crown and the root
A condition where the lower frenum attachment is very short/DDS/frenectomy
(free gingiva) surrounds the teeth

37. Labial Commissures
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
The corners of the mouth where the top and bottom lip meet
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
6 years old

38. Horizontal Fiber Group
Second teeth next to central incisors
Functions the same as the alveolar cfg; originate in alveolar bone
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip

39. Pterygoid Process
Wings of the sphenoid bone
Peg shaped crown with a smooth surface
Quarters of the teeth
Forms after the completion of the apical foramen

40. Lingual
The mandibular first premolar
Inside surface Which is towards the tongue - on anterior teeth
Mastication - aids in speech - influence facial structure - chewing surfaces
Compact bone plate of the facial and lingual surfaces

41. Angle of the Mandible
Small bony projections surrounding the lingual foramen
Bone that surrounds the root of the tooth
Separates the developing oral cavities from the nasal cavities
Where the ramus meets the body of the mandible on the outside border

42. Facial development
4th week
When the surface of the teeth becomes grooved
Pulls the hyoid bone and the tongue anteriorly
The development of different tissues

43. What is the most common problem with TMJ
An enclosed area that matures into dentin - cementum and pulp
The disc becomes displaced
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Bicuspids

44. Buckle groove
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
Second teeth next to central incisors
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
Forms the remaining 2/3 of the hard and soft palate uvula

45. Fossa
Rounded depression on a tooth
Healthy gingival tissue with an orange texture
Incremental lines around the layers of the enamel matrix
The cornerstone of the mouth

46. Middle Superior Alveolar Nerve
Triferacated
Supplies blood to the face and oral cavity
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids

47. What are the characteristics of permanent teeth?
Enamel is thinner - pulp chamber is smaller -
Trigeminal - facial - glossopharyngeal - hypoglossal
32
The first predentin that is formed and matures within the tube

48. Internal Carotid Artery
20
Supportive fibers that anchor the tooth to the bone
Draws down the mandible and corners of the mouth
Supplies blood to the brain and the eyes

49. What is the latin word for molar?
Peg shaped crown with a smooth surface
Molaris meaning millstone
Follows the length of the body of the mandible past the last tooth and up to the ramus
To lubricate the oral cavity and to moisten food

50. Caruncle
Teeth will not erupt in proper position
The groove below the lower lips that separates the lips from the chin
Resulting from an imperfect union where the lobes come together
Fleshy elevation under the tongue