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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. Oblique Ridge
Small raised projections where taste buds are located
Extends from the medial corner of the eye to the nasal cavity
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
When cells rapidly increase in number

2. Anomalies
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Extreme variations from the norm
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Drains the superficial veins of the face and neck into the subclavian vein

3. Midline
The fixed attachment of a muscle
Middle line of the teeth
Second teeth next to central incisors
Bifurcated/ 5 cusps

4. Morpho differentiation
The development of different forms
Largest division of the trigeminal nerve
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
The internal surface at the center of the mandible

5. Succedaneous teeth
Band of fibrous tissue which attaches bone to bone
Permeante teeth replace the primary teeth
The slightly raised line extending down the middle of the hard palate
Formed by the fibroblast cells and secures the tooth in the socket

6. Sulingual Folds
Where the ramus meets the body of the mandible on the outside border
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Drains the superficial veins of the face and neck into the subclavian vein
Of or pertaining to area surrounding naval cavity

7. lst and second premolars
Largest of the branches of the external carotid artery; supplies facial structure
Smaller branch that ennervates the soft palate uvula and tonsils
A faint line going from the ala of the nose to the corner of the mouth
Teeth after cuspids

8. Stippled
A faint line going from the ala of the nose to the corner of the mouth
Healthy gingival tissue with an orange texture
The disc becomes displaced
12 years

9. Philtrum
Occurs in unusual ways and distorted crowns may appear
Cells that form cementum
Vertical groove on the midline of the upper lip
Calcified masses of dentin

10. What are the characteristics of permanent teeth?
Located in a depressed area between the pillars
Small linear depression
Peg shaped crown with a smooth surface
Enamel is thinner - pulp chamber is smaller -

11. Palantine Tonsils
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
Of or pertaining to area surrounding naval cavity
Teeth will not erupt in proper position
Located in a depressed area between the pillars

12. Salivary Glands
Secrete saliva to assist in process of digestion
Tissue covering the alveolar processes
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Fifth cusp located on the mesial surface lingual surface of maxillary first molars

13. Lingual
Assist in depressing the mandible and elevating the tongue
Middle two teeth in the mouth
Inside surface Which is towards the tongue - on anterior teeth
1500 millimeters

14. Alveolar Mucosa
Papillae that give the tongue the strawberry effect
Excess dryness of the mouth
Appears to be loosely attached - covering the alveolar bone.
A horseshoe shaped groove that follow the curve of the dental arch

15. Palatine Raphe
The slightly raised line extending down the middle of the hard palate
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum
Calcified masses of dentin
Dividing point of a multi-rooted tooth

16. Mental Nerve Branch
An enclosed area that matures into dentin - cementum and pulp
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Largest division of the trigeminal nerve
Lift the hyoid bone and assist in opening the mouth

17. Resonance
Draws down the mandible and corners of the mouth
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
Full deep rich sound in nasal cavity
Band of fibrous tissue which attaches muscle to bone

18. Lesser Palatine Foramen
Canal or passage for fluid
Corners of the mouth
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
Triangular space in the gingival direction when two adjacent teeth are in contact

19. What are the 3 branches of the mandibular nerve branch?
Buccal - lingual - and inferior alveolar
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
A small projection in the middle of the upper lip
Chewing and swallowing food

20. How many cusps does the second bicuspid have?
A pocket formed by the soft tissue of cheeks and gingiva
Band of fibrous tissue which attaches bone to bone
Mucosa that covers the alveolar bone
Two

21. External Auditory Meatus
Incremental line indicating trauma of birth
Layers of tooth tissue become calcified
No bicuspids/ no 3rd molars
Opening for the ear

22. Transverse Ridge
An overgrowth of the gingival tissue
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth
Covers muscle tissue in the posterior portion of the palate
Intervating the anterior teeth and the labial gingiva

23. Histo Differentation
Used to pulverize food
The moveable attachment of the muscle
Located in a depressed area between the pillars
The development of different tissues

24. Groove
Small linear depression
Papillae that give the tongue the strawberry effect
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
Used to pulverize food

25. Incisive Papilla
Band of fibrous tissue which attaches muscle to bone
Fleshy elevation under the tongue
A raised area of tissue laying behind the maxillary central incisors on the hard palate
Looking at the border of the tongue

26. What kind of root does the maxillary first molar have?
A junction or center of veins that directly or indirectly drain a vast area
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Where the ramus meets the body of the mandible on the outside border
Triferacated

27. Incisal Edge
The development of different tissues
Biting edge of the teeth
The line of demarcation between the attached gingiva and the marginal gingiva
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars

28. Median Sulcus
Buccal - lingual - and inferior alveolar
Dividing point of a multi-rooted tooth
Upper arch of the teeth
What divides the tongue in half and runs from the base to the tip of the tongue

29. Maxilla
Origin - fixed point - insertion - movable point
Largest facial bone with two sections joined at the median suture
Surface towards the midline
When the surface of the teeth becomes grooved

30. Ala of the Nose
The outer edge of the nostril
Drains the floor of the mouth
The largest of the salivary glands which lie just below and in front of the ear
The area on the crown of the tooth that is nearest the gingival

31. Osteoclasts
What divides the tongue in half and runs from the base to the tip of the tongue
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
Arteries supplying blood to most of the head and the neck
The cornerstone of the mouth

32. Function of Styloglossus
Disk that acts like a cushion between the temporal bone and the condyloid process
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Acts as anchors between the alveolar bone and the tooth
Retracts the tongue and raises the tip of the tongue

33. What are the 4 cranial nerves that ennervate the face and oral cavity
Tooth emerges from gum tissue and becomes visible
4th week
Occurs in unusual ways and distorted crowns may appear
Trigeminal - facial - glossopharyngeal - hypoglossal

34. When do oral and nasal cavity separate and palate develop?
When the dentin is exposed
Allow flexibility during mastication - speech
Week 12
Forms a large cavity above the roots of the maxillary molars

35. Linea Alba
Inner portion of the enamel rod
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Interdental ligament
The portion of the tooth that meets the gingiva

36. Lobes
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
Small bony projections surrounding the lingual foramen
Developmental segment of a tooth

37. Anatomical root
A line that represents the alveolus bone lining the socket
Located behind the ramus of the mandible and branches into five arteries
Portion covered with cementum
Layers of tooth tissue become calcified

38. Internal Carotid Artery
Supplies blood to the brain and the eyes
The fixed attachment of a muscle
Week 11
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate

39. Mucogingival Junction
A line of demarcation between the attached gingiva and alveolar mucosa
Short tubules that seem to crossover to the enamel
32
Where the ramus meets the body of the mandible on the outside border

40. What is saliva made of?
Bifurcated/ 5 cusps
Cheek bones--the most breakable bone in the body
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
H20 - mucin - organic salts and digestive enzymes

41. Develop Mental Groove
Formed by the uniting of lobes during development of crown
Set of arches found farther in the back of the throat
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
The crown of the tooth that is nearest the incisal edge near the anterior tooth

42. Enamel Spindle
Incremental lines around the layers of the enamel matrix
The crown of the tooth that is nearest the incisal edge near the anterior tooth
Short tubules that seem to crossover to the enamel
The slightly raised line extending down the middle of the hard palate

43. Soft Palate
To lubricate the oral cavity and to moisten food
Covers muscle tissue in the posterior portion of the palate
Calcium salts are deposited into formed tooth
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone

44. Imbritation Lines of Von Eboner
A line that represents the alveolus bone lining the socket
Sharp projection on the under surface of the temporal bone
The ridges that run horizontally across the hard palate behind the incisive papilla
Stained growth rings in dentin

45. Common Carotid
Supplies blood to the brain and the eyes
Arteries supplying blood to most of the head and the neck
Compact bone plate of the facial and lingual surfaces
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids

46. How many roots/ cusps does the mandibular first molar have?
Resulting from an imperfect union where the lobes come together
Bifurcated/ 5 cusps
Mucosa that covers the alveolar bone
Buccal - lingual - and inferior alveolar

47. Angle of the Mandible
Molaris meaning millstone
Where the ramus meets the body of the mandible on the outside border
Cells that form dentin
A shallow v-shaped depression located below the bottom of the nose and above the lips

48. Zygomatic nerve
The line of demarcation between the attached gingiva and the marginal gingiva
Buccal - lingual - and inferior alveolar
The portion of the tooth that meets the gingiva
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch

49. Posterior Superior Alveolar Nerve
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
Calcium salts are deposited into formed tooth
Bone that surrounds the root of the tooth
Linear elevation of the tooth

50. Saliva
The development of different tissues
Mucosa that covers the alveolar bone
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Clear fluid secreted by the salivary and mucous glands throughout the mouth