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. Maxillary Sinus
Forms a large cavity above the roots of the maxillary molars
Greater - lesser - naso palatine nerves
32
Mildest form of cleft palate

2. Stomedeum
The development of different forms
Resists forces that try to pull the tooth outward
Primitive mouth
Supplies blood to the brain and the eyes

3. Enamel Tufts
Second teeth next to central incisors
Small dark brushes
Triferacated
Appears to be loosely attached - covering the alveolar bone.

4. Greater Palatine Nerve
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
An enclosed area that matures into dentin - cementum and pulp
The development of different forms
Creates the wall of the dentinal tubule

5. Lateral Incisor
Second teeth next to central incisors
Layers of tooth tissue become calcified
The internal surface at the center of the mandible
Calcified masses of dentin

6. Hypercementosis
Causes a thickening of the cementum around the apex
Initiation of the tooth begins
9 months (5 months ultrasound to tell sex)
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum

7. Denticion
Natural teeth in position
Peg shaped crown with a smooth surface
Drains the floor of the mouth
Disk that acts like a cushion between the temporal bone and the condyloid process

8. Sublingual Caruncles
Platysma - trapezius - sternocleidomastoid
Portion of the root seen in the oral cavity
2 small raised folds of tissue where the lingual frenum attaches
Layers of tooth tissue become calcified

9. Tome's process
H20 - mucin - organic salts and digestive enzymes
Outside surface Which is towards the cheek - on posterior teeth
Responsible for laying down the enamel matrix into place
Primitive mouth

10. Philtrum
A shallow v-shaped depression located below the bottom of the nose and above the lips
Enamel forming cells
Molaris meaning millstone
The internal surface at the center of the mandible

11. Agenesis
Circle and tighten the gingival margin around the neck of the tooth
Disk that acts like a cushion between the temporal bone and the condyloid process
Occurs in unusual ways and distorted crowns may appear
Forms into dentin - cementum and pulp of the teeth

12. Resonance
Portion of the root seen in the oral cavity
Full deep rich sound in nasal cavity
Separation of the upper lip ( 1 of 1000 live births)
To bulge of curve outward

13. Cyto differentiation
Drains the superficial veins of the face and neck into the subclavian vein
The development of different cells
Outside surface Which is towards the lips
Three bulges on the incisal edge

14. Morpho Differentiation
Indented
Enamel is thinner - pulp chamber is smaller -
Forming organ takes shape and resembles the shape of a bell
Cut - tear - and grind food

15. Lingual Nerve Branch
Healthy gingival tissue with an orange texture
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
Located on the inside of the body of the ramus
Separation of the upper lip ( 1 of 1000 live births)

16. Submandibular Glands

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

17. Gingival Hyperplasia
Second teeth next to central incisors
Supportive fibers that anchor the tooth to the bone
An overgrowth of the gingival tissue
The mandibular first premolar

18. Rami
Bi-cuspids
Resists intrusive forces that try to push the tooth inwards
Two vertical extensions of the mandible
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves

19. Function of Geniohyoid
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Pulls the hyoid bone and the tongue anteriorly
Extreme variations from the norm
Lining covers inside of the oral cavity

20. Enamel Dysplasia
When the surface of the teeth becomes grooved
Found only in multi-rooted teeth and resists rotational forces
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
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx

21. Mental Artery
To dissolve
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Forms the bulk of the tooth
Dividing point of a multi-rooted tooth

22. Free Gingiva
Small grooves noted on some teeth
No bicuspids/ no 3rd molars
The portion of the tooth that meets the gingiva
Dividing point of a multi-rooted tooth

23. Mesoderm
4 cusps/ bifurcated
Band of fibrous tissue which attaches bone to bone
Forms into dentin - cementum and pulp of the teeth
2 small raised folds of tissue where the lingual frenum attaches

24. Mantle Dentin
Bone that surrounds the root of the tooth
The first predentin that is formed and matures within the tube
A small projection in the middle of the upper lip
A raised area of tissue laying behind the maxillary central incisors on the hard palate

25. Pulp Stones
Teeth will not erupt in proper position
Week 11
Calcified masses of dentin
The first predentin that is formed and matures within the tube

26. How many cusps/ roots do the maxillary first molars have?
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids
4/5 cusps/ 3 roots
Resist rotational forces and hold teeth in inter-proximal contact
Healthy gingival tissue with an orange texture

27. TMJ bones are bathed In what solution?
Where the proximal sides of two teeth come together and touch
Narrow long enamel tuft
Synovial fluid
Forms after the completion of the apical foramen

28. Enamel Spindle
Narrow long enamel tuft
Tissue fluid surrounding the cell membrane of the odontoblast
Short tubules that seem to crossover to the enamel
Incremental lines around the layers of the enamel matrix

29. Lingual
Outside surface Which is towards the cheek - on posterior teeth
Largest of the branches of the external carotid artery; supplies facial structure
Pointed elongations of the pulp
Inside surface Which is towards the tongue - on anterior teeth

30. Distal
Surface away from the midline
Largest division of the trigeminal nerve
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
20

31. Occlusion third
Descends from the cusp and widens as it runs down to the midline area of the occlusal surface
Tubules that pass through the entire surface of the dentin
Occlusal surface of the posterior tooth
Second teeth next to central incisors

32. Parotid glands
The largest of the salivary glands which lie just below and in front of the ear
A line of demarcation between the attached gingiva and alveolar mucosa
9 months (5 months ultrasound to tell sex)
(free gingiva) surrounds the teeth

33. Angle of the Mandible
Small bony projections surrounding the lingual foramen
A dense tissue covered with mucous membrane that can withstand chewing
Where the ramus meets the body of the mandible on the outside border
Acts as anchors between the alveolar bone and the tooth

34. Stippled
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Located on the inside of the body of the ramus
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Healthy gingival tissue with an orange texture

35. Gingiva
No bicuspids/ no 3rd molars
To dissolve
A dense tissue covered with mucous membrane that can withstand chewing
Function to resist rotational forces and tilting

36. Interdental Gingiva
An extension of an unattached gingiva and the tooth
Tooth emerges from gum tissue and becomes visible
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar

37. External Auditory Meatus
Elevated are of enamel that forms the Mesial and distal borders
Opening for the ear
Formed by the fibroblast cells and secures the tooth in the socket
A junction or center of veins that directly or indirectly drain a vast area

38. Perikymata
Small grooves noted on some teeth
When cells rapidly increase in number
Primitive mouth
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen

39. Tendon
A shallow v-shaped depression located below the bottom of the nose and above the lips
Vertical groove on the midline of the upper lip
Band of fibrous tissue which attaches muscle to bone
Molars

40. Develop Mental Groove
Follows the length of the body of the mandible past the last tooth and up to the ramus
Indented
A projection that extends off the back of the soft palate
Formed by the uniting of lobes during development of crown

41. Secondary palate
Occlusal surface of the posterior tooth
Forms the remaining 2/3 of the hard and soft palate uvula
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
Small head - low nasal bridge - thin upper lip - small mandible

42. Labial Commissures
Substances between cells
Supplies blood to the face and oral cavity
Assist in depressing the mandible and elevating the tongue
The corners of the mouth where the top and bottom lip meet

43. Buccal Mucosa
Cheek bones--the most breakable bone in the body
The inner surface of the cheeks
Conception thru the first two weeks
Week 12

44. What are the 3 branches of the pterygopalatine nerve branch?
Assist in the movement and functioning of the tongue
Respiratory system - digestive system and glandular organs
Largest facial bone with two sections joined at the median suture
Greater - lesser - naso palatine nerves

45. Ectoderm
Forms into the inner lining of the oral cavitiy and enamel of the teeth
A raised area of tissue laying behind the maxillary central incisors on the hard palate
What divides the tongue in half and runs from the base to the tip of the tongue
Extends from the mucogingival junction to the gingival groove

46. Dentinal Hypersensitivity
A horseshoe shaped bone lying at the base of the tongue--all the muscles of the tongue and the floor of the mouth attach to this bone
To lubricate the oral cavity and to moisten food
When the dentin is exposed
Narrow long enamel tuft

47. Interradical Fiber Group
Found only in multi-rooted teeth and resists rotational forces
The cornerstone of the mouth
Where the ramus meets the body of the mandible on the outside border
The layer of dentin that surrounds the pulp

48. Inferior Alveolar Artery
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Two cortical bone plates that come together between each tooth
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
Elevates the posterior portion of the tongue and narrows the fauces

49. Pterygoid plexus of the veins
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
A junction or center of veins that directly or indirectly drain a vast area
Palatoglossus - palatopharyngeal

50. Function of Sternocleidomastoid
A flap of tissue on the on the buccal mucosa
Follows the inside of the ramus and the body of the mandible
Resulting from an imperfect union where the lobes come together
Assists in elevating the chin