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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. Proliferation
The teeth located at the back of the mouth
Where the ectoderm layer matures into the enamel
The crown of the tooth that is nearest the incisal edge near the anterior tooth
Clear fluid secreted by the salivary and mucous glands throughout the mouth

2. Histo Differentation
Week 12
The development of different tissues
Small grooves noted on some teeth
Extreme variations from the norm

3. Foliate Papillae
The largest of three openings located in the posterior region of the hard palate
Raised vertical folds of tissue on the lateral border of the tongue
Interdental ligament
Elevated are of enamel that forms the Mesial and distal borders

4. Function of Platysma
Aid in attaching the gingiva to the alveolar bone
Draws down the mandible and corners of the mouth
Permeante teeth replace the primary teeth
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx

5. What are the 3 branches of the pterygopalatine nerve branch?
Circle and tighten the gingival margin around the neck of the tooth
Greater - lesser - naso palatine nerves
Located in a depressed area between the pillars
Three cusps/ trifurcated

6. Furcation
Quarters of the teeth
Dividing point of a multi-rooted tooth
The first predentin that is formed and matures within the tube
The mandibular molars

7. Symphysis
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
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
The corners of the mouth where the top and bottom lip meet

8. Meniscus
The deepest point of the vestibule
Portion of the lips where the skin meets the vermilion zone
Largest of the branches of the external carotid artery; supplies facial structure
Disk that acts like a cushion between the temporal bone and the condyloid process

9. How is the TMJ supported and what controls their movement?
Vertical groove on the midline of the upper lip
Where the proximal sides of two teeth come together and touch
Ligaments and muscles of mastication
Calcified masses of dentin

10. Buccal
Set of arches found farther in the back of the throat
Outside surface Which is towards the cheek - on posterior teeth
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements

11. Osteoclasts
To bulge of curve outward
Calcium salts are deposited into formed tooth
To lubricate the oral cavity and to moisten food
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged

12. Odontoblast
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Cells that form dentin
Stained growth rings in dentin
Triferacated

13. Anterior Alveolar Nerve
Excess dryness of the mouth
An extension of an unattached gingiva and the tooth
Occurs in unusual ways and distorted crowns may appear
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors

14. Mandible Arch
Excess bone in the middle of the palate
Pulls the hyoid bone and the tongue anteriorly
A rounded area beyond the last posterior maxillary tooth
Lower arch of the teeth

15. Zygomatic nerve
Arteries supplying blood to most of the head and the neck
Narrow long enamel tuft
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Platysma - trapezius - sternocleidomastoid

16. How much saliva is produced daily?
Inside surface Which is towards the tongue - on anterior teeth
1500 millimeters
Portion of the root seen in the oral cavity
A rounded area beyond the last posterior maxillary tooth

17. Taste Buds
When the tissue becomes inflamed
Oval structures that are located on the dorsal surface of the tongue
Occurs in unusual ways and distorted crowns may appear
Middle line of the teeth

18. Neonatal line
The development of different cells
Incremental line indicating trauma of birth
Tooth emerges from gum tissue and becomes visible
Second teeth next to central incisors

19. Pterygoid plexus of the veins
Enamel forming cells
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
Two cortical bone plates that come together between each tooth
A junction or center of veins that directly or indirectly drain a vast area

20. Labial Commissures
Disk that acts like a cushion between the temporal bone and the condyloid process
Oval structures that are located on the dorsal surface of the tongue
Folds of tissue that extend horizontally from the uvula to the base of the tongue
The corners of the mouth where the top and bottom lip meet

21. Tome's process
Small head - low nasal bridge - thin upper lip - small mandible
Responsible for laying down the enamel matrix into place
Assist in the movement and functioning of the tongue
Separates the developing oral cavities from the nasal cavities

22. Stippled
Pointed elongations of the pulp
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Healthy gingival tissue with an orange texture
A raised area of tissue laying behind the maxillary central incisors on the hard palate

23. Ectoderm
Shed from the oral cavity
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Middle two teeth in the mouth
Initiation of the tooth begins

24. Vestibule Fornix
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Tissue covering the alveolar processes
The deepest point of the vestibule
Sharp projection on the under surface of the temporal bone

25. Lamina Propria
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
The connective tissue of the marginal gingiva
Papillae that give the tongue the strawberry effect
Growth from the oral epithelium that gives rise to the tooth buds

26. Fissure
A condition where the lower frenum attachment is very short/DDS/frenectomy
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum
To dissolve
Resulting from an imperfect union where the lobes come together

27. Primary palate
2 to 3 pints
Separates the developing oral cavities from the nasal cavities
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
Assists in elevating the chin

28. Convects
6 years old
Curve outward
Small head - low nasal bridge - thin upper lip - small mandible
Two weeks thru 8th week

29. lst and second premolars
Teeth after cuspids
Where the ectoderm layer matures into the enamel
9 months (5 months ultrasound to tell sex)
Intervating the anterior teeth and the labial gingiva

30. Inferior Alveolar Artery
Drains the Pterygoid plexus of the veins
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
Where the proximal sides of two teeth come together and touch

31. Torus Mandibularis
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
Excess bone formations under the tongue on the alvellar bone
Folds of tissue to the the lingual veins
Healthy gingival tissue with an orange texture

32. Imbracation Lines
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Week 12
Small curved lines that run parellel to the CEJ
Inner portion of the enamel rod

33. Midline
The connective tissue of the marginal gingiva
Middle line of the teeth
Follows the length of the body of the mandible past the last tooth and up to the ramus
Composed of mucosa and surrounds the necks of the teeth

34. Mental Nerve Branch
Largest division of the trigeminal nerve
The space between the unattached gingiva and the tooth
Mastication - aids in speech - influence facial structure - chewing surfaces
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator

35. Interradicular Septum
Where the ectoderm layer matures into the enamel
Covering over the enamel that is left over from the epithelium ameloblasts
Oval structures that are located on the dorsal surface of the tongue
The bone that separates the root on a tooth

36. Cervical line
Divides the crown and the root
Three bulges on the incisal edge
Supplies blood to the roots and periodontal ligaments of the interior teeth
Platysma - trapezius - sternocleidomastoid

37. How much saliva do the salivary glands produce in 24 hours?
2 to 3 pints
Located behind the ramus of the mandible and branches into five arteries
Opening for the ear
The ridges that run horizontally across the hard palate behind the incisive papilla

38. Muscle origine
The fixed attachment of a muscle
Descends from the cusp and widens as it runs down to the midline area of the occlusal surface
Incremental line indicating trauma of birth
Two weeks thru 8th week

39. Incisive Nerve branch
32
Two cortical bone plates that come together between each tooth
Intervating the anterior teeth and the labial gingiva
Separation of the upper lip ( 1 of 1000 live births)

40. Mylohyoid Nerve Branch
Forms the bulk of the tooth
Substances between cells
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Composed of mucosa and surrounds the necks of the teeth

41. Maxillary Tuberosity
A rounded area beyond the last posterior maxillary tooth
A horseshoe shaped groove that follow the curve of the dental arch
Respiratory system - digestive system and glandular organs
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx

42. Sulingual Folds
Forms the bulk of the tooth
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue
Upper arch of the teeth
Divides the crown and the root

43. Uvula
Tubules that pass through the entire surface of the dentin
The fixed attachment of a muscle
A projection that extends off the back of the soft palate
Primary embryonic mesoderm layer that develops during the morpho differentiation period

44. What are the three muscles of the neck?
Cells From which connective tissue evolve
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Radiates from the developmental groove
Platysma - trapezius - sternocleidomastoid

45. Mandibular Foramen
Forming organ takes shape and resembles the shape of a bell
Two vertical extensions of the mandible
Located on the inside of the body of the ramus
Duct located on the parotid papilla

46. Stensens' Duct (aka Parotid)

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47. Purpose of premolars
When cells rapidly increase in number
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Layers of tooth tissue become calcified
Used to pulverize food

48. Pterygoid Artery
Assist in depressing the mandible and elevating the tongue
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Study of the structure and form of the teeth
Cluster of tissue that manufactures and secrets fluid

49. Resonance
Full deep rich sound in nasal cavity
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Joined at the midline and are often referred to as the median Palatine suture
The corners of the mouth where the top and bottom lip meet

50. Fetal Alcohol Syndrome symptons
Incremental line indicating trauma of birth
The development of different cells
20
Small head - low nasal bridge - thin upper lip - small mandible