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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. Lamina Dura
A line that represents the alveolus bone lining the socket
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
Excess bone formations under the tongue on the alvellar bone
When the dentin is exposed

2. What are the only permeant teeth that are not succedaneous?
Small dark brushes
A pocket formed by the soft tissue of cheeks and gingiva
Disk that acts like a cushion between the temporal bone and the condyloid process
Molars

3. Cementoblast
Cells that form cementum
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
The layer of dentin that surrounds the pulp
Peg shaped crown with a smooth surface

4. Mylohyoid Nerve Branch
Constricts the nasopharyngeal passage and elevates the larynx
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Study of prenatal growth and the developing process of an individual

5. Labial Commissures
9 weeks thru birth
The corners of the mouth where the top and bottom lip meet
Scroll like bones outside the nasal cavaties
Excess dryness of the mouth

6. Histology
Separates the developing oral cavities from the nasal cavities
To dissolve
Band of fibrous tissue which attaches muscle to bone
The study of the microscopic structure and functions of tissues

7. Tubercle of the Lip
The fixed attachment of a muscle
A small projection in the middle of the upper lip
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Dividing point of a multi-rooted tooth

8. What is another name for premolars?
Bi-cuspids
Convex area on the lingual surface near gingiva
Buccal - lingual - and inferior alveolar
Two cortical bone plates that come together between each tooth

9. Lesser Palatine Nerve
Small linear depression
Smaller branch that ennervates the soft palate uvula and tonsils
A junction or center of veins that directly or indirectly drain a vast area
Bifurcated/ 5 cusps

10. Linea Alba
Convex area on the lingual surface near gingiva
Intervating the anterior teeth and the labial gingiva
Origin - fixed point - insertion - movable point
A raised white line that runs parallel to where the teeth meet on the buccal mucosa

11. What kind of root does the maxillary first molar have?
Allow flexibility during mastication - speech
Largest facial bone with two sections joined at the median suture
Third tooth from the midline
Triferacated

12. Distal
Extends from the mucogingival junction to the gingival groove
Acts as anchors between the alveolar bone and the tooth
Surface away from the midline
Study of the structure and form of the teeth

13. Mental Nerve Branch
Biting edge of the teeth
Largest division of the trigeminal nerve
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Slight ridges on the cervical third of certain teeth that extend mesiodistally

14. Succedaneous teeth
Permeante teeth replace the primary teeth
Narrow long enamel tuft
Substances between cells
Forms a large cavity above the roots of the maxillary molars

15. Stippled
Chewing and swallowing food
Linear elevation of the tooth
Forming organ takes shape and resembles the shape of a bell
Healthy gingival tissue with an orange texture

16. Cervical Third
Orbicularis oris - buccinator - mentalis - zygomatic major
The area on the crown of the tooth that is nearest the gingival
Two weeks thru 8th week
An enclosed area that matures into dentin - cementum and pulp

17. Internal Carotid Artery
Buccal - lingual - and inferior alveolar
Band of fibrous tissue which attaches bone to bone
A flap of tissue on the on the buccal mucosa
Supplies blood to the brain and the eyes

18. Fungiform Papillae
Third tooth from the midline
Excess bone formations under the tongue on the alvellar bone
Papillae that give the tongue the strawberry effect
Study of the structure and form of the teeth

19. Pterygoid Process
Wings of the sphenoid bone
Resists forces that try to pull the tooth outward
The groove below the lower lips that separates the lips from the chin
Substances between cells

20. Sublingual Caruncles
2 small raised folds of tissue where the lingual frenum attaches
Surface towards the midline
Opening for the ear
The layer of dentin that surrounds the pulp

21. Facial Vein
The teeth located at the back of the mouth
A pocket formed by the soft tissue of cheeks and gingiva
Drains the facial structures beginning near the eye and descending toward the mandible
Duct located on the parotid papilla

22. Pulpitis
Vertical groove on the midline of the upper lip
A rounded area beyond the last posterior maxillary tooth
When the tissue becomes inflamed
When the dentin is exposed

23. Mandible Arch
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Peg shaped crown with a smooth surface
Lower arch of the teeth
Developmental segment of a tooth

24. Vestibule Fornix
The deepest point of the vestibule
Excess dryness of the mouth
Disk that acts like a cushion between the temporal bone and the condyloid process
Found near the cementoenamel junction

25. Rami
Incremental line indicating trauma of birth
Two vertical extensions of the mandible
Orbicularis oris - buccinator - mentalis - zygomatic major
Small yellowish glands on the labial mucosa

26. Epithelial Attachment
The gingiva in the floor of the gingival sulcus that attaches to the enamel
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
The outer edge of the nostril
Separates the developing oral cavities from the nasal cavities

27. Cervical line
To bulge of curve outward
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Full deep rich sound in nasal cavity
Divides the crown and the root

28. Vestibule
Cells that form dentin
Cells that form cementum
A pocket formed by the soft tissue of cheeks and gingiva
Wearing away of the incisal or occlusal surfaces of the tooth

29. Uvula
Three bulges on the incisal edge
2 small raised folds of tissue where the lingual frenum attaches
A projection that extends off the back of the soft palate
The development of different forms

30. Imbracation Lines
Maxillary first molar
Smaller branch that ennervates the soft palate uvula and tonsils
The study of the microscopic structure and functions of tissues
Small curved lines that run parellel to the CEJ

31. Concave
Circle and tighten the gingival margin around the neck of the tooth
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
Indented
Small raised projections where taste buds are located

32. Cortical Bone
Forms the bulk of the tooth
Compact bone plate of the facial and lingual surfaces
Two cortical bone plates that come together between each tooth
Largest facial bone with two sections joined at the median suture

33. Histo Differentiation
Calcified masses of dentin
Cells develop into different tissues
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
Retracts the tongue and raises the tip of the tongue

34. Incisal third
Outside surface Which is towards the lips
Composed of mucosa and surrounds the necks of the teeth
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
The crown of the tooth that is nearest the incisal edge near the anterior tooth

35. What is the longest tooth in the mandibular arch?
The mandibular first premolar
Where the proximal sides of two teeth come together and touch
A line that represents the alveolus bone lining the socket
Circle and tighten the gingival margin around the neck of the tooth

36. Internal Oblique Ridge
The teeth located at the back of the mouth
Two
Follows the inside of the ramus and the body of the mandible
Slight ridges on the cervical third of certain teeth that extend mesiodistally

37. Circumvallate Papillae
Primary embryonic mesoderm layer that develops during the morpho differentiation period
Excess dryness of the mouth
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10
Where the ectoderm layer matures into the enamel

38. Cleft Uvula
Tissue covering the alveolar processes
Supplies blood to the brain and the eyes
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Mildest form of cleft palate

39. How many cusps/ roots do the 2/3rd mandibular molars have?
A triangular area located behind the last molar
4 cusps/ bifurcated
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
Supplies blood to the brain and the eyes

40. External Carotid Artery
Corners of the mouth
Small dark brushes
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Supplies blood to the face and oral cavity

41. How can you tell if someone has cancer by looking at the tongue?
Cells develop into different tissues
Constricts the nasopharyngeal passage and elevates the larynx
Canal or passage for fluid
Looking at the border of the tongue

42. Convects
Small dark brushes
Bony projection found on the bottom border of the temporal bone
Curve outward
Orbicularis oris - buccinator - mentalis - zygomatic major

43. Calcification
Layers of tooth tissue become calcified
The first predentin that is formed and matures within the tube
Folds of tissue to the the lingual veins
The largest of three openings located in the posterior region of the hard palate

44. Function of Styloglossus
Ligaments and muscles of mastication
Study of the structure and form of the teeth
Retracts the tongue and raises the tip of the tongue
Supplies blood to the roots and periodontal ligaments of the interior teeth

45. Parotid glands
The largest of the salivary glands which lie just below and in front of the ear
Cells that form cementum
An extension of an unattached gingiva and the tooth
Mucosa that covers the alveolar bone

46. Function of Trapezius
Covering over the enamel that is left over from the epithelium ameloblasts
Inside of the maxillary teeth
Bifurcated/ 5 cusps
Moves the head backward and laterally

47. What is Ankyloglossia and who can treat it / What is the treatment called?
Drains the superficial veins of the face and neck into the subclavian vein
20
A condition where the lower frenum attachment is very short/DDS/frenectomy
An overgrowth of the gingival tissue

48. Fossa
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Rounded depression on a tooth
A bony projection that separates each socket
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements

49. Incisive Nerve branch
A raised area of tissue laying behind the maxillary central incisors on the hard palate
Located behind the ramus of the mandible and branches into five arteries
Allow flexibility during mastication - speech
Intervating the anterior teeth and the labial gingiva

50. Mucosa
The deepest point of the vestibule
Lining covers inside of the oral cavity
Growth from the oral epithelium that gives rise to the tooth buds
Upper arch of the teeth