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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. Tendon
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
Band of fibrous tissue which attaches muscle to bone
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue

2. Gingival Groove
Slight ridges on the cervical third of certain teeth that extend mesiodistally
Covers muscle tissue in the posterior portion of the palate
What divides the tongue in half and runs from the base to the tip of the tongue
The line of demarcation between the attached gingiva and the marginal gingiva

3. Incisive Papilla
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
A raised area of tissue laying behind the maxillary central incisors on the hard palate
Inside surface Which is towards the tongue - on anterior teeth
Opening for the ear

4. Function of Palatopharyngeal
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth
1500 millimeters
Constricts the nasopharyngeal passage and elevates the larynx
The space between the unattached gingiva and the tooth

5. Oblique Ridge
Growth from the oral epithelium that gives rise to the tooth buds
Bony projection found on the bottom border of the temporal bone
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
Incremental lines around the layers of the enamel matrix

6. What are the 2 sets of teeth?
Primary and permanent
Aid in attaching the gingiva to the alveolar bone
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Located behind the ramus of the mandible and branches into five arteries

7. Function of Trapezius
A line of demarcation between the attached gingiva and alveolar mucosa
Moves the head backward and laterally
Creates the wall of the dentinal tubule
A period of both primary teeth and permeant teeth are in the dentition

8. Mental Nerve Branch
Largest division of the trigeminal nerve
The groove below the lower lips that separates the lips from the chin
A shallow v-shaped depression located below the bottom of the nose and above the lips
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator

9. Maxillary Nerve Branch
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
(free gingiva) surrounds the teeth
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Small bony projections surrounding the lingual foramen

10. Endoderm
The development of different cells
Divides the crown and the root
Appears to be loosely attached - covering the alveolar bone.
Respiratory system - digestive system and glandular organs

11. Histo Differentation
Triferacated
Drains the Pterygoid plexus of the veins
Bifurcated/ 5 cusps
The development of different tissues

12. External Oblique Ridge
Follows the length of the body of the mandible past the last tooth and up to the ramus
32
Forming organ takes shape and resembles the shape of a bell
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface

13. Incisal Edge
Chewing and swallowing food
Biting edge of the teeth
To lubricate the oral cavity and to moisten food
1500 millimeters

14. Anatomical root
Portion covered with cementum
(free gingiva) surrounds the teeth
The ridges that run horizontally across the hard palate behind the incisive papilla
Supplies blood to the brain and the eyes

15. Dentoperiosteal Fiber Groups
Supportive fibers that anchor the tooth to the bone
Permeante teeth replace the primary teeth
Extends from the medial corner of the eye to the nasal cavity
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

16. Muscle origine
Tissue covering the alveolar processes
The fixed attachment of a muscle
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Linear elevation of the tooth

17. Anterior Tonsillar Pillar
Second teeth next to central incisors
To lubricate the oral cavity and to moisten food
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Cells develop into different tissues

18. Filiform Papillae
Small grooves noted on some teeth
Follows the inside of the ramus and the body of the mandible
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue

19. What are the extrinsic muscles of the tongue responsible for?
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
The area on the crown of the tooth that is nearest the gingival
Middle two teeth in the mouth
Assist in the movement and functioning of the tongue

20. Supplemental Groove
Indented
The groove below the lower lips that separates the lips from the chin
The area on the crown of the tooth that is nearest the gingival
Radiates from the developmental groove

21. Odontogenesis
Origin of the tooth
The line of demarcation between the attached gingiva and the marginal gingiva
Mucosa that covers the alveolar bone
Calcium salts are deposited into formed tooth

22. What is the latin word for molar?
Creates the wall of the dentinal tubule
Molaris meaning millstone
Resists forces that try to pull the tooth outward
Rounded depression on a tooth

23. Mamelons
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Used to pulverize food
Pulverizing or chewing surface
Three bulges on the incisal edge

24. How much saliva do the salivary glands produce in 24 hours?
2 to 3 pints
The mandibular molars
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Small curved lines that run parellel to the CEJ

25. Torus
The crown of the tooth that is nearest the incisal edge near the anterior tooth
Excess bone formations under the tongue on the alvellar bone
Excess bone in the middle of the palate
Scroll like bones outside the nasal cavaties

26. Anomalies
Rounded depression on a tooth
Extreme variations from the norm
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Demonstrates a disturbance in the body metabolism

27. What are the only permeant teeth that are not succedaneous?
Portion of the root seen in the oral cavity
Small curved lines that run parellel to the CEJ
Molars
Two

28. Apical Fiber Group
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Assist in the movement and functioning of the tongue
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Resists forces that try to pull the tooth outward

29. Circumvallate Papillae
Moves the head backward and laterally
Inside surface Which is towards the tongue - on anterior teeth
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10
Tissue fluid surrounding the cell membrane of the odontoblast

30. Interdental Septum
Follows the length of the body of the mandible past the last tooth and up to the ramus
An enclosed area that matures into dentin - cementum and pulp
Initiation of the tooth begins
A bony projection that separates each socket

31. What is saliva made of?
A triangular area located behind the last molar
Cut - tear - and grind food
To bulge of curve outward
H20 - mucin - organic salts and digestive enzymes

32. Perikymata
Third tooth from the midline
Small grooves noted on some teeth
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Cells that form dentin

33. Maxilla
A condition where the lower frenum attachment is very short/DDS/frenectomy
Covers muscle tissue in the posterior portion of the palate
The area on the crown of the tooth that is nearest the gingival
Largest facial bone with two sections joined at the median suture

34. What are the 4 cranial nerves that ennervate the face and oral cavity
Circle and tighten the gingival margin around the neck of the tooth
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
Trigeminal - facial - glossopharyngeal - hypoglossal
A raised area of tissue laying behind the maxillary central incisors on the hard palate

35. Occlusal
Pulverizing or chewing surface
The teeth located at the back of the mouth
Healthy gingival tissue with an orange texture
Follows the length of the body of the mandible past the last tooth and up to the ramus

36. Incisive Arteries
Supplies blood to the roots and periodontal ligaments of the interior teeth
10 days
Enamel forming cells
Middle line of the teeth

37. Periodontium
Demonstrates a disturbance in the body metabolism
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
Separation of the upper lip ( 1 of 1000 live births)
Acts as anchors between the alveolar bone and the tooth

38. If a patient receives toxic agents - how long does it take for their sense of taste to return?
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
Surface towards the midline
10 days
Linear elevation of the tooth

39. Sulingual Folds
Quarters of the teeth
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
A small projection in the middle of the upper lip
Located behind the ramus of the mandible and branches into five arteries

40. When do oral and nasal cavity separate and palate develop?
Covers muscle tissue in the posterior portion of the palate
What divides the tongue in half and runs from the base to the tip of the tongue
Week 12
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone

41. Mesoderm
Narrow long enamel tuft
Forms into dentin - cementum and pulp of the teeth
When the tissue becomes inflamed
10 days

42. Lacrimal Bones
20
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Forms the bulk of the tooth
Synovial fluid

43. Mandibular Foramen
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
The deepest point of the vestibule
Mucosa that covers the alveolar bone
Located on the inside of the body of the ramus

44. Function of Geniohyoid
Of or pertaining to area surrounding naval cavity
Pulls the hyoid bone and the tongue anteriorly
Upper arch of the teeth
Bifurcated/ 5 cusps

45. Succedaneous teeth
Natural teeth in position
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Permeante teeth replace the primary teeth
A raised white line that runs parallel to where the teeth meet on the buccal mucosa

46. Alveolar Mucosa
Two vertical extensions of the mandible
Separates the developing oral cavities from the nasal cavities
Mucosa that covers the alveolar bone
Assist in depressing the mandible and elevating the tongue

47. What is another name for premolars?
Bi-cuspids
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Largest facial bone with two sections joined at the median suture
Excess bone formations under the tongue on the alvellar bone

48. Duct
Mandibular central incisors
Two vertical extensions of the mandible
Excess dryness of the mouth
Canal or passage for fluid

49. Alveolar Crest
Two cortical bone plates that come together between each tooth
Forms the bulk of the tooth
When cells rapidly increase in number
Elevates the posterior portion of the tongue and narrows the fauces

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

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