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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. Convex
To bulge of curve outward
Greater - lesser - naso palatine nerves
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Compact bone plate of the facial and lingual surfaces

2. What is Ankyloglossia and who can treat it / What is the treatment called?
Duct located on the parotid papilla
Portion of the root seen in the oral cavity
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
A condition where the lower frenum attachment is very short/DDS/frenectomy

3. Apposition
Week 12
Calcium salts are deposited into formed tooth
Portion of the root seen in the oral cavity
Covering over the enamel that is left over from the epithelium ameloblasts

4. Succedaneous teeth
Permeante teeth replace the primary teeth
Biting edge of the teeth
Triferacated
Depresses the tongue

5. Torus
Excess bone in the middle of the palate
Cells From which connective tissue evolve
Pointed elongations of the pulp
A line of demarcation between the attached gingiva and alveolar mucosa

6. Apical Fiber Group
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
Found near the cementoenamel junction
Resists forces that try to pull the tooth outward
Ligaments and muscles of mastication

7. Anomalies
Extreme variations from the norm
Outside surface Which is towards the lips
A shallow v-shaped depression located below the bottom of the nose and above the lips
Follows the inside of the ramus and the body of the mandible

8. Alveologingival Fiber Groups
Aid in attaching the gingiva to the alveolar bone
Incremental lines around the layers of the enamel matrix
Portion covered with cementum
Pulls the hyoid bone and the tongue anteriorly

9. Retromolar Area
A triangular area located behind the last molar
An enclosed area that matures into dentin - cementum and pulp
Palatoglossus - palatopharyngeal
Retracts or depresses the tongue

10. Marginal Ridges
Three bulges on the incisal edge
Middle two teeth in the mouth
Mucosa that covers the alveolar bone
Elevated are of enamel that forms the Mesial and distal borders

11. Lines of Retzius
When the surface of the teeth becomes grooved
Pointed elongations of the pulp
Incremental lines around the layers of the enamel matrix
Peg shaped crown with a smooth surface

12. Buccal Mucosa
Occurs in unusual ways and distorted crowns may appear
The inner surface of the cheeks
Duct located on the parotid papilla
Place where the groove comes together or fissures cross

13. Attrition
Wearing away of the incisal or occlusal surfaces of the tooth
Duct located on the parotid papilla
Where the ectoderm layer matures into the enamel
The development of different forms

14. Occlusal
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum
Retracts the tongue and raises the tip of the tongue
Pulverizing or chewing surface
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip

15. How many cusps/ roots do the 2/3rd maxillary molars have?
An enclosed area that matures into dentin - cementum and pulp
Three cusps/ trifurcated
Cluster of tissue that manufactures and secrets fluid
Assists in elevating the chin

16. Pterygoid Process
Wings of the sphenoid bone
Portion of the root seen in the oral cavity
Divides the crown and the root
Small dark brushes

17. Develop Mental Groove
Fleshy elevation under the tongue
Forms into dentin - cementum and pulp of the teeth
Formed by the uniting of lobes during development of crown
The slightly raised line extending down the middle of the hard palate

18. Anterior Alveolar Nerve
Vertical groove on the midline of the upper lip
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Curve outward
Lower arch of the teeth

19. Rami
(free gingiva) surrounds the teeth
Drains the floor of the mouth
Two vertical extensions of the mandible
Fleshy elevation under the tongue

20. Labial-Mental Groove
Found only in multi-rooted teeth and resists rotational forces
Composed of mucosa and surrounds the necks of the teeth
Allow flexibility during mastication - speech
The groove below the lower lips that separates the lips from the chin

21. How much saliva do the salivary glands produce in 24 hours?
Tooth emerges from gum tissue and becomes visible
Middle line of the teeth
2 to 3 pints
Ligaments and muscles of mastication

22. How much saliva is produced daily?
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Incremental lines around the layers of the enamel matrix
Lining covers inside of the oral cavity
1500 millimeters

23. What are the 4 taste senses and where are they located?
Occurs in unusual ways and distorted crowns may appear
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10
Assist in depressing the mandible and elevating the tongue

24. Symphysis
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
Canal or passage for fluid
To dissolve
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue

25. Distal
Opening for the ear
The area on the crown of the tooth that is nearest the gingival
Surface away from the midline
4 cusps/ bifurcated

26. Gums
Fleshy elevation under the tongue
The inner surface of the cheeks
Tissue covering the alveolar processes
Trigeminal - facial - glossopharyngeal - hypoglossal

27. Lingual Veins
The bone that separates the root on a tooth
Respiratory system - digestive system and glandular organs
The smallest of the salivary glands located on the floor of the mouth which empty into the mouth thru either the ducts of Rivinus or Bartholin
Bluish veins that run the length of the tongue

28. Rod Core
Creates the wall of the dentinal tubule
2 to 3 pints
Biting edge of the teeth
Inner portion of the enamel rod

29. When does the maxillary second molar erupt?
An overgrowth of the gingival tissue
12 years
A raised area of tissue laying behind the maxillary central incisors on the hard palate
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

30. Anatomical root
Triangular space in the gingival direction when two adjacent teeth are in contact
The area on the crown of the tooth that is nearest the gingival
Orbicularis oris - buccinator - mentalis - zygomatic major
Portion covered with cementum

31. Pterygoid Artery
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
The fixed attachment of a muscle
The first predentin that is formed and matures within the tube
Middle line of the teeth

32. Gingiva
Origin of the tooth
Composed of mucosa and surrounds the necks of the teeth
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Inside surface Which is towards the tongue - on anterior teeth

33. Mandible Arch
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
Lower arch of the teeth
12 years
Shaping the tongue during speech - mastication and swallowing

34. What is another name for premolars?
Bi-cuspids
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Small bony projections surrounding the lingual foramen
Resist rotational forces and hold teeth in inter-proximal contact

35. Mesoderm
Papillae that give the tongue the strawberry effect
Curve outward
Outside surface Which is towards the lips
Forms into dentin - cementum and pulp of the teeth

36. Mucogingival Junction
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
A line of demarcation between the attached gingiva and alveolar mucosa
A triangular area located behind the last molar
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth

37. Odontoblast
Cells develop into different tissues
The connective tissue of the marginal gingiva
10 days
Cells that form dentin

38. Cyto differentiation
Raised vertical folds of tissue on the lateral border of the tongue
Two weeks thru 8th week
Dividing point of a multi-rooted tooth
The development of different cells

39. Maxillary vein
2 to 3 pints
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
A line of demarcation between the attached gingiva and alveolar mucosa
Drains the Pterygoid plexus of the veins

40. Lingual Foramen
Initiation of the tooth begins
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
The internal surface at the center of the mandible
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue

41. What are the characteristics of deciduous teeth?
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
A dense tissue covered with mucous membrane that can withstand chewing
To bulge of curve outward
Developmental segment of a tooth

42. Horizontal Fiber Group
The space between the unattached gingiva and the tooth
The mandibular molars
Functions the same as the alveolar cfg; originate in alveolar bone
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle

43. Cingulum
Papillae that give the tongue the strawberry effect
Of or pertaining to area surrounding naval cavity
Convex area on the lingual surface near gingiva
Cells develop into different tissues

44. Tendon
Band of fibrous tissue which attaches muscle to bone
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids
Biting edge of the teeth
Looking at the border of the tongue

45. Midline
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Stained growth rings in dentin
Middle line of the teeth
Peg shaped crown with a smooth surface

46. How is the TMJ supported and what controls their movement?
Platysma - trapezius - sternocleidomastoid
Ligaments and muscles of mastication
Where the proximal sides of two teeth come together and touch
Resists intrusive forces that try to push the tooth inwards

47. Morphology
Shaping the tongue during speech - mastication and swallowing
Middle line of the teeth
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Study of the structure and form of the teeth

48. Palatine Rugae
The ridges that run horizontally across the hard palate behind the incisive papilla
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Small curved lines that run parellel to the CEJ
Pulls the hyoid bone and the tongue anteriorly

49. Contact Area
Where the proximal sides of two teeth come together and touch
Lining covers inside of the oral cavity
Occlusal surface of the posterior tooth
Forming organ takes shape and resembles the shape of a bell

50. Cemental Spurs
Found near the cementoenamel junction
The internal surface at the center of the mandible
A projection that extends off the back of the soft palate
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