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. Nasal-Labial Groove
Retracts or depresses the tongue
Cut - tear - and grind food
Respiratory system - digestive system and glandular organs
A faint line going from the ala of the nose to the corner of the mouth

2. Foliate Papillae
Drains the Pterygoid plexus of the veins
Raised vertical folds of tissue on the lateral border of the tongue
A shallow v-shaped depression located below the bottom of the nose and above the lips
Where the ectoderm layer matures into the enamel

3. Clinical root
Third tooth from the midline
Portion of the root seen in the oral cavity
Origin of the tooth
4/5 cusps/ 3 roots

4. How many cusps/ roots do the maxillary first molars have?
Raised vertical folds of tissue on the lateral border of the tongue
Study of the structure and form of the teeth
4/5 cusps/ 3 roots
Fifth cusp located on the mesial surface lingual surface of maxillary first molars

5. Paranasal
Where the ectoderm layer matures into the enamel
Of or pertaining to area surrounding naval cavity
A small projection in the middle of the upper lip
Conception thru the first two weeks

6. Mental Protuberance
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
The space between the unattached gingiva and the tooth
The tip of the chin
The crown of the tooth that is nearest the incisal edge near the anterior tooth

7. Gingival Groove
Two vertical extensions of the mandible
Primitive mouth
The line of demarcation between the attached gingiva and the marginal gingiva
The gingiva in the floor of the gingival sulcus that attaches to the enamel

8. Fossa
Elevates the posterior portion of the tongue and narrows the fauces
Week 11
Rounded depression on a tooth
Folds of tissue to the the lingual veins

9. Parotid Papilla
Outside surface Which is towards the lips
Quarters of the teeth
A flap of tissue on the on the buccal mucosa
Located on the inside of the body of the ramus

10. Cervical Third
Origin of the tooth
Largest facial bone with two sections joined at the median suture
The area on the crown of the tooth that is nearest the gingival
H20 - mucin - organic salts and digestive enzymes

11. Mandible Arch
Occurs in unusual ways and distorted crowns may appear
Lower arch of the teeth
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
Calcified masses of dentin

12. Embryology
Excess bone formations under the tongue on the alvellar bone
Occlusal surface of the posterior tooth
Study of prenatal growth and the developing process of an individual
Small grooves noted on some teeth

13. Embryo
Two weeks thru 8th week
A condition where the lower frenum attachment is very short/DDS/frenectomy
The inner surface of the cheeks
Depresses the tongue

14. Circumpulpal Dentin
The layer of dentin that surrounds the pulp
A faint line going from the ala of the nose to the corner of the mouth
Duct located on the parotid papilla
The space between the unattached gingiva and the tooth

15. Muscle Insertion
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
A period of both primary teeth and permeant teeth are in the dentition
The moveable attachment of the muscle
20

16. If Palate not fused
Teeth will not erupt in proper position
Bluish veins that run the length of the tongue
Cells that form cementum
Tubules that pass through the entire surface of the dentin

17. Ectoderm
Cells that form dentin
Forms into the inner lining of the oral cavitiy and enamel of the teeth
When the surface of the teeth becomes grooved
Small curved lines that run parellel to the CEJ

18. Periodontal Ligaments
Band of fibrous tissue which attaches muscle to bone
Formed by the fibroblast cells and secures the tooth in the socket
6 years old
Enamel is thinner - pulp chamber is smaller -

19. Marginal Ridges
Radiates from the developmental groove
Curve outward
A dense tissue covered with mucous membrane that can withstand chewing
Elevated are of enamel that forms the Mesial and distal borders

20. Sulingual Folds
Third tooth from the midline
Vertical groove on the midline of the upper lip
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
6 months/3years

21. Greater Palatine Nerve
Compact bone plate of the facial and lingual surfaces
Middle line of the teeth
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Forms after the completion of the apical foramen

22. Histo Differentiation
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Cells develop into different tissues
Two vertical extensions of the mandible
Full deep rich sound in nasal cavity

23. How many cusps/ roots do the 2/3rd mandibular molars have?
A period of both primary teeth and permeant teeth are in the dentition
4 cusps/ bifurcated
A condition where the lower frenum attachment is very short/DDS/frenectomy
Incremental lines around the layers of the enamel matrix

24. How many teeth are in the permanent set of teeth?
32
A flap of tissue on the on the buccal mucosa
Appears to be loosely attached - covering the alveolar bone.
Surface away from the midline

25. External Jugular Vein
A projection that extends off the back of the soft palate
Resulting from an imperfect union where the lobes come together
2 small raised folds of tissue where the lingual frenum attaches
Drains the superficial veins of the face and neck into the subclavian vein

26. Submandibular Glands

27. What is the purpose of permanent teeth?
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
Portion of the root seen in the oral cavity
Cut - tear - and grind food

28. Dental Lamina
Wearing away of the incisal or occlusal surfaces of the tooth
Resulting from an imperfect union where the lobes come together
Inside of the maxillary teeth
Growth from the oral epithelium that gives rise to the tooth buds

29. Labial Commissures
Biting edge of the teeth
The corners of the mouth where the top and bottom lip meet
Forms the remaining 2/3 of the hard and soft palate uvula
What divides the tongue in half and runs from the base to the tip of the tongue

30. Attached Gingiva
Extends from the mucogingival junction to the gingival groove
Primary and permanent
Triferacated
Resist rotational forces and hold teeth in inter-proximal contact

31. Purpose of premolars
Used to pulverize food
Excess bone in the middle of the palate
A rounded area beyond the last posterior maxillary tooth
12 years

32. Function of Styloglossus
Retracts the tongue and raises the tip of the tongue
Retracts or depresses the tongue
Excess bone formations under the tongue on the alvellar bone
Glands the size of a walnut that lie on the inside of the mandible and empty saliva into the mouth thru the Wharton's duct

33. Eruption
Dentin found between the tubules
Tooth emerges from gum tissue and becomes visible
Small raised projections where taste buds are located
Opening for the ear

34. Genial Tubercles
Small bony projections surrounding the lingual foramen
Joined at the midline and are often referred to as the median Palatine suture
A line of tissue that extends from the tongue to the floor of the mouth
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors

35. Internal Oblique Ridge
Small raised projections where taste buds are located
Follows the inside of the ramus and the body of the mandible
Inside surface Which is towards the tongue - on anterior teeth
Trigeminal - facial - glossopharyngeal - hypoglossal

36. Contact Area
Where the proximal sides of two teeth come together and touch
Supportive fibers that anchor the tooth to the bone
The connective tissue of the marginal gingiva
A projection that extends off the back of the soft palate

37. Muscle origine
The fixed attachment of a muscle
The corners of the mouth where the top and bottom lip meet
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
Dividing point of a multi-rooted tooth

38. Concave
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
A flap of tissue on the on the buccal mucosa
Rounded depression on a tooth
Indented

39. Filiform Papillae
A faint line going from the ala of the nose to the corner of the mouth
Largest of the branches of the external carotid artery; supplies facial structure
Forming organ takes shape and resembles the shape of a bell
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue

40. Cusps
Full deep rich sound in nasal cavity
Pointed elongations of the pulp
Orbicularis oris - buccinator - mentalis - zygomatic major
Pointed or rounded mounds on the crown of the tooth

41. How much saliva is produced daily?
Resists forces that try to pull the tooth outward
1500 millimeters
H20 - mucin - organic salts and digestive enzymes
Used to pulverize food

42. Median Sulcus
The layer of dentin that surrounds the pulp
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
Divides the crown and the root
What divides the tongue in half and runs from the base to the tip of the tongue

43. Mastoid process
Small curved lines that run parellel to the CEJ
Bony projection found on the bottom border of the temporal bone
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Band of fibrous tissue which attaches muscle to bone

44. Apposition
The mandibular molars
Incremental lines around the layers of the enamel matrix
Cells From which connective tissue evolve
Calcium salts are deposited into formed tooth

45. Zygomatic nerve
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Surface away from the midline
Largest of the branches of the external carotid artery; supplies facial structure
Lining covers inside of the oral cavity

46. Intertubular Dentin
Bi-cuspids
A condition where the lower frenum attachment is very short/DDS/frenectomy
Dentin found between the tubules
Resist rotational forces and hold teeth in inter-proximal contact

47. Occlusal
Cells that form cementum
The study of the microscopic structure and functions of tissues
Pulverizing or chewing surface
Covers muscle tissue in the posterior portion of the palate

48. Greater Palatine Foramen
Maxillary first molar
Platysma - trapezius - sternocleidomastoid
The largest of three openings located in the posterior region of the hard palate
Incremental lines around the layers of the enamel matrix

49. What is the maxillary cuspid known as?
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
A bony projection that separates each socket
Largest of the branches of the external carotid artery; supplies facial structure
The cornerstone of the mouth

50. Lesser Palatine Foramen
Assist in the movement and functioning of the tongue
Respiratory system - digestive system and glandular organs
Follows the length of the body of the mandible past the last tooth and up to the ramus
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate