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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. Proliferation
Where the ectoderm layer matures into the enamel
Assist in the movement and functioning of the tongue
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Small grooves noted on some teeth

2. Maxillary Sinus
Where the ectoderm layer matures into the enamel
Assist in the movement and functioning of the tongue
Forms a large cavity above the roots of the maxillary molars
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue

3. Lesser Palatine Nerve
Genioglossus - hyoglossus - styloglossus - palatoglossus
Calcified masses of dentin
Middle line of the teeth
Smaller branch that ennervates the soft palate uvula and tonsils

4. Marginal Ridges
Elevated are of enamel that forms the Mesial and distal borders
Cut - tear - and grind food
Tissue fluid surrounding the cell membrane of the odontoblast
A line that represents the alveolus bone lining the socket

5. Facial Vein
4 cusps/ bifurcated
Initiation of the tooth begins
Drains the facial structures beginning near the eye and descending toward the mandible
H20 - mucin - organic salts and digestive enzymes

6. Mastoid process
The mandibular first premolar
Bony projection found on the bottom border of the temporal bone
Oval depression of temporal bone in condyloid process
Appears to be loosely attached - covering the alveolar bone.

7. Marginal GIngiva
Portion of the root seen in the oral cavity
(free gingiva) surrounds the teeth
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Triangular space in the gingival direction when two adjacent teeth are in contact

8. Caruncle
Forms after the completion of the apical foramen
Fleshy elevation under the tongue
Tissue fluid surrounding the cell membrane of the odontoblast
Primary and permanent

9. External Oblique Ridge
Cells that form cementum
The bone that separates the root on a tooth
Rounded depression on a tooth
Follows the length of the body of the mandible past the last tooth and up to the ramus

10. Fetal Alcohol Syndrome symptons
Curve outward
What divides the tongue in half and runs from the base to the tip of the tongue
Small head - low nasal bridge - thin upper lip - small mandible
Follows the inside of the ramus and the body of the mandible

11. Tendon
Band of fibrous tissue which attaches muscle to bone
The teeth located at the back of the mouth
The deepest point of the vestibule
Opening in the mouth below the orbit on the maxillary bone

12. Quadrants
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
The ridges that run horizontally across the hard palate behind the incisive papilla
Sharp projection on the under surface of the temporal bone
Quarters of the teeth

13. Dental Arteries
Where the proximal sides of two teeth come together and touch
Corners of the mouth
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Surface towards the midline

14. Greater Palatine Nerve
Opening in the mouth below the orbit on the maxillary bone
The bone that separates the root on a tooth
A faint line going from the ala of the nose to the corner of the mouth
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth

15. Hard Palate
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Oval structures that are located on the dorsal surface of the tongue
Retracts or depresses the tongue
Primary embryonic mesoderm layer that develops during the morpho differentiation period

16. Function of Palatoglossus
Largest division of the trigeminal nerve
Forms into dentin - cementum and pulp of the teeth
Cells that form dentin
Elevates the posterior portion of the tongue and narrows the fauces

17. lst and second premolars
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth
Teeth after cuspids
Located behind the ramus of the mandible and branches into five arteries
Separates the developing oral cavities from the nasal cavities

18. What are the characteristics of deciduous teeth?
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Tooth emerges from gum tissue and becomes visible
Chewing and swallowing food
Place where the groove comes together or fissures cross

19. Dentogingival Fiber Groups
Small raised projections where taste buds are located
Surface towards the midline
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Act to maintain the gingival integrity of the marginal gingiva

20. What are the 3 branches of the pterygopalatine nerve branch?
A pocket formed by the soft tissue of cheeks and gingiva
Greater - lesser - naso palatine nerves
Shaping the tongue during speech - mastication and swallowing
Healthy gingival tissue with an orange texture

21. Middle Superior Alveolar Nerve
Triferacated
Cells From which connective tissue evolve
Where the proximal sides of two teeth come together and touch
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids

22. Mixed Dentition
Supportive fibers that anchor the tooth to the bone
Pointed elongations of the pulp
A period of both primary teeth and permeant teeth are in the dentition
Aid in attaching the gingiva to the alveolar bone

23. Interdental Septum
Corners of the mouth
Mucosa that covers the alveolar bone
Covering over the enamel that is left over from the epithelium ameloblasts
A bony projection that separates each socket

24. Paranasal
Shaping the tongue during speech - mastication and swallowing
Of or pertaining to area surrounding naval cavity
The outer edge of the nostril
Mastication - aids in speech - influence facial structure - chewing surfaces

25. Infraorbital Foramen
Lining covers inside of the oral cavity
Extends from the medial corner of the eye to the nasal cavity
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Opening in the mouth below the orbit on the maxillary bone

26. Convects
Curve outward
10 days
Calcified masses of dentin
Extends from the mucogingival junction to the gingival groove

27. Supplemental Groove
Radiates from the developmental groove
2 small raised folds of tissue where the lingual frenum attaches
Wings of the sphenoid bone
Lining covers inside of the oral cavity

28. What is Ankyloglossia and who can treat it / What is the treatment called?
A condition where the lower frenum attachment is very short/DDS/frenectomy
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
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum
A small projection in the middle of the upper lip

29. Lobes
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
Developmental segment of a tooth
Secrete saliva to assist in process of digestion
Depresses the tongue

30. Pterygoid Artery
An overgrowth of the gingival tissue
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
The connective tissue of the marginal gingiva
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx

31. Function of Stylohyoid
Draws the hyoid bone superiorly and posteriorly and stabilizes it
The groove below the lower lips that separates the lips from the chin
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
Extends from the mucogingival junction to the gingival groove

32. What are the 4 maxillary nerve branches?
Excess bone in the middle of the palate
The moveable attachment of the muscle
Zygomatic - infraorbital - posterior superior alevolar - pterygopalatine
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles

33. What are the 4 muscles of the floor of the mouth?
A condition where the lower frenum attachment is very short/DDS/frenectomy
Elevated are of enamel that forms the Mesial and distal borders
Digstric - Mylohyoid - stylohyoid - geniohyoid
Responsible for laying down the enamel matrix into place

34. Filiform Papillae
Radiates from the developmental groove
A line of tissue that extends from the tongue to the floor of the mouth
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
Healthy gingival tissue with an orange texture

35. Imbrication lines
Second teeth next to central incisors
Slight ridges on the cervical third of certain teeth that extend mesiodistally
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum
Portion of the lips that are red

36. Cervical Third
Retracts or depresses the tongue
Inside surface Which is towards the tongue - on anterior teeth
The area on the crown of the tooth that is nearest the gingival
Sharp projection on the under surface of the temporal bone

37. Lingual Veins
Enamel is thinner - pulp chamber is smaller -
Surface away from the midline
Bluish veins that run the length of the tongue
Slight ridges on the cervical third of certain teeth that extend mesiodistally

38. What is the latin word for molar?
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
Joined at the midline and are often referred to as the median Palatine suture
Molaris meaning millstone
Small head - low nasal bridge - thin upper lip - small mandible

39. Common Carotid
Arteries supplying blood to most of the head and the neck
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
4 cusps/ bifurcated
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip

40. Fetus
9 weeks thru birth
Covering over the enamel that is left over from the epithelium ameloblasts
Small dark brushes
Fleshy elevation under the tongue

41. Primary palate
Circle and tighten the gingival margin around the neck of the tooth
6 months/3years
Mandibular central incisors
Separates the developing oral cavities from the nasal cavities

42. Anterior Alveolar Nerve
The largest of three openings located in the posterior region of the hard palate
Drains the facial structures beginning near the eye and descending toward the mandible
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Peg shaped crown with a smooth surface

43. Maxilla
Vertical groove on the midline of the upper lip
Two vertical extensions of the mandible
The outer edge of the nostril
Largest facial bone with two sections joined at the median suture

44. Muscle Insertion
Outside surface Which is towards the lips
The layer of dentin that surrounds the pulp
The moveable attachment of the muscle
When the dentin is exposed

45. Ameloblast
Portion of the lips where the skin meets the vermilion zone
Enamel forming cells
The bone that separates the root on a tooth
A rounded area beyond the last posterior maxillary tooth

46. Function of Hyoglossus
Joined at the midline and are often referred to as the median Palatine suture
Depresses the tongue
Resists intrusive forces that try to push the tooth inwards
Peg shaped crown with a smooth surface

47. Convex
20
To bulge of curve outward
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle
Calcium salts are deposited into formed tooth

48. Nasal-Labial Groove
Developmental segment of a tooth
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
A faint line going from the ala of the nose to the corner of the mouth

49. What are the 3 branches of the mandibular nerve branch?
Study of prenatal growth and the developing process of an individual
Buccal - lingual - and inferior alveolar
10 days
Pointed or rounded mounds on the crown of the tooth

50. Salivary Glands
Bony projection found on the bottom border of the temporal bone
Supplies blood to the roots and periodontal ligaments of the interior teeth
Divides the crown and the root
Secrete saliva to assist in process of digestion