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Dental Assisting: Head And Neck Anatomy

Subjects : health-sciences, dentistry

Instructions:

Answer 50 questions in 15 minutes.
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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. Parotid Papilla
(free gingiva) surrounds the teeth
A flap of tissue on the on the buccal mucosa
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
Week 11

2. What teeth are removed if overcrowding occurs?
A line of tissue that extends from the tongue to the floor of the mouth
4th week
When cells rapidly increase in number
Bicuspids

3. Gums
Tissue covering the alveolar processes
Third tooth from the midline
Small dark brushes
Drains the maxiallary artery and superficial temporal arteries

4. Foliate Papillae
Substances between cells
Three bulges on the incisal edge
Raised vertical folds of tissue on the lateral border of the tongue
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements

5. Middle Superior Alveolar Nerve
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Shaping the tongue during speech - mastication and swallowing
Moves the head backward and laterally

6. What are the four main functions of deciduous teeth?
Mastication - aids in speech - influence facial structure - chewing surfaces
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Initiation of the tooth begins
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth

7. Lamina Propria
Occurs in unusual ways and distorted crowns may appear
The connective tissue of the marginal gingiva
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
Surface away from the midline

8. Interradicular Septum
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
Constricts the nasopharyngeal passage and elevates the larynx
The bone that separates the root on a tooth
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

9. Landmarks
Outside surface Which is towards the cheek - on posterior teeth
A flap of tissue on the on the buccal mucosa
A pocket formed by the soft tissue of cheeks and gingiva
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements

10. How much saliva is produced daily?
1500 millimeters
12 years
10 days
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator

11. Mylohyoid Artery
Origin - fixed point - insertion - movable point
Shaping the tongue during speech - mastication and swallowing
Branches off the inferior alveolar artery before intering the mandibular canal
Anterior to the ethmoid bone and part of the orbit (corners of the eye)

12. lst and second premolars
Maxillary first molar
Follows the inside of the ramus and the body of the mandible
An extension of an unattached gingiva and the tooth
Teeth after cuspids

13. Fordyce's Spots
Small yellowish glands on the labial mucosa
Mandibular central incisors
Developmental segment of a tooth
Papillae that give the tongue the strawberry effect

14. Transverse Ridge
Triangular space in the gingival direction when two adjacent teeth are in contact
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth
The slightly raised line extending down the middle of the hard palate
Small raised projections where taste buds are located

15. Marginal GIngiva
(free gingiva) surrounds the teeth
Three bulges on the incisal edge
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Cells From which connective tissue evolve

16. Common Carotid
The development of different cells
Layers of tooth tissue become calcified
Arteries supplying blood to most of the head and the neck
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars

17. What are the characteristics of permanent teeth?
Molars
Enamel is thinner - pulp chamber is smaller -
Constricts the nasopharyngeal passage and elevates the larynx
The slightly raised line extending down the middle of the hard palate

18. Sharpey's Fibers
Drains the facial structures beginning near the eye and descending toward the mandible
Radiates from the developmental groove
Inner portion of the enamel rod
Acts as anchors between the alveolar bone and the tooth

19. Enamel Spindle
(free gingiva) surrounds the teeth
H20 - mucin - organic salts and digestive enzymes
Short tubules that seem to crossover to the enamel
The moveable attachment of the muscle

20. Filiform Papillae
A bony projection that separates each socket
Covering over the enamel that is left over from the epithelium ameloblasts
Pointed or rounded mounds on the crown of the tooth
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue

21. Frenum
Drains the superficial veins of the face and neck into the subclavian vein
Retracts or depresses the tongue
6 years old
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip

22. When does the maxillary first molar erupt?
6 years old
Bony projection found on the bottom border of the temporal bone
Smaller branch that ennervates the soft palate uvula and tonsils
Small linear depression

23. Oblique Ridge
The inner surface of the cheeks
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
Portion covered with cementum
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator

24. Mental Artery
A flap of tissue on the on the buccal mucosa
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Portion of the root seen in the oral cavity
Covers muscle tissue in the posterior portion of the palate

25. Dentinal Fluid
Tissue fluid surrounding the cell membrane of the odontoblast
When the surface of the teeth becomes grooved
The deepest point of the vestibule
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles

26. Fetus
Clear fluid secreted by the salivary and mucous glands throughout the mouth
Cheek bones--the most breakable bone in the body
9 weeks thru birth
The inner surface of the lips

27. Dentoperiosteal Fiber Groups
Looking at the border of the tongue
Function to resist rotational forces and tilting
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Supportive fibers that anchor the tooth to the bone

28. Stippled
Outside surface Which is towards the lips
Lower arch of the teeth
A triangular area located behind the last molar
Healthy gingival tissue with an orange texture

29. External Oblique Ridge
Composed of mucosa and surrounds the necks of the teeth
Clear fluid secreted by the salivary and mucous glands throughout the mouth
Follows the length of the body of the mandible past the last tooth and up to the ramus
Platysma - trapezius - sternocleidomastoid

30. Ameloblast
Enamel forming cells
A pocket formed by the soft tissue of cheeks and gingiva
The inner surface of the lips
Week 11

31. Vermilion Zone
Outside surface Which is towards the cheek - on posterior teeth
Extends from the mucogingival junction to the gingival groove
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
Portion of the lips that are red

32. Vestibule Fornix
The deepest point of the vestibule
Surface away from the midline
The development of different tissues
Bony projection found on the bottom border of the temporal bone

33. Cortical Bone
Forming organ takes shape and resembles the shape of a bell
Separation of the upper lip ( 1 of 1000 live births)
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Compact bone plate of the facial and lingual surfaces

34. Posterior Superior Alveolar Nerve
The tip of the chin
Narrow long enamel tuft
Cells that form dentin
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar

35. Zygomatic nerve
Of or pertaining to area surrounding naval cavity
Aid in attaching the gingiva to the alveolar bone
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Oval depression of temporal bone in condyloid process

36. Facial Artery
A junction or center of veins that directly or indirectly drain a vast area
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
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
10 days

37. Maxillary Arch
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Quarters of the teeth
Upper arch of the teeth
The fixed attachment of a muscle

38. Lingual Nerve Branch
Teeth after cuspids
When the tissue becomes inflamed
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
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

39. Labial Commissures
The corners of the mouth where the top and bottom lip meet
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10
Upper arch of the teeth
Constricts the nasopharyngeal passage and elevates the larynx

40. Alveolar Mucosa
Occlusal surface of the posterior tooth
Mucosa that covers the alveolar bone
Draws down the mandible and corners of the mouth
Formed by the fibroblast cells and secures the tooth in the socket

41. Tubercle of the Lip
Creates the wall of the dentinal tubule
Small curved lines that run parellel to the CEJ
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
A small projection in the middle of the upper lip

42. How many teeth are in the permanent set of teeth?
32
Inside surface Which is towards the tongue - on anterior teeth
Acts as anchors between the alveolar bone and the tooth
A projection that extends off the back of the soft palate

43. What are the 3 branches of the pterygopalatine nerve branch?
Greater - lesser - naso palatine nerves
Aid in attaching the gingiva to the alveolar bone
Primary and permanent
A dense tissue covered with mucous membrane that can withstand chewing

44. What are the characteristics of deciduous teeth?
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
A line of demarcation between the attached gingiva and alveolar mucosa
Compact bone plate of the facial and lingual surfaces
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth

45. Imbritation Lines of Von Eboner
Stained growth rings in dentin
Bifurcated/ 5 cusps
The development of different tissues
Drains the superficial veins of the face and neck into the subclavian vein

46. How is the TMJ supported and what controls their movement?
Synovial fluid
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
Ligaments and muscles of mastication
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth

47. If a patient receives toxic agents - how long does it take for their sense of taste to return?
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
10 days
Forming organ takes shape and resembles the shape of a bell
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider

48. Epithelial Attachment
Molars
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Incremental lines around the layers of the enamel matrix
Conception thru the first two weeks

49. Lingual Vein
Interdental ligament
Drains the floor of the mouth
Incremental lines around the layers of the enamel matrix
Small linear depression

50. Mastication
Interdental ligament
The groove below the lower lips that separates the lips from the chin
Chewing and swallowing food
Largest facial bone with two sections joined at the median suture