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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. Apposition
Calcium salts are deposited into formed tooth
Drains the floor of the mouth
Mildest form of cleft palate
Radiates from the developmental groove

2. Median Sulcus
Located in a depressed area between the pillars
What divides the tongue in half and runs from the base to the tip of the tongue
Trigeminal nerve--because it ennervates the maxilla and the mandible
Triangular space in the gingival direction when two adjacent teeth are in contact

3. Saliva
Largest facial bone with two sections joined at the median suture
Resists forces that try to pull the tooth outward
Papillae that give the tongue the strawberry effect
Clear fluid secreted by the salivary and mucous glands throughout the mouth

4. Lingual Frenum
Conception thru the first two weeks
Full deep rich sound in nasal cavity
Radiates from the developmental groove
A line of tissue that extends from the tongue to the floor of the mouth

5. Ligament
Mastication - aids in speech - influence facial structure - chewing surfaces
Causes a thickening of the cementum around the apex
Raised vertical folds of tissue on the lateral border of the tongue
Band of fibrous tissue which attaches bone to bone

6. Articular Disc
Circle and tighten the gingival margin around the neck of the tooth
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle
Teeth after cuspids
The layer of dentin that surrounds the pulp

7. Deep Facial Veins
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Platysma - trapezius - sternocleidomastoid
Cells that form dentin

8. What are the characteristics of permanent teeth?
2 small raised folds of tissue where the lingual frenum attaches
Bluish veins that run the length of the tongue
A dense tissue covered with mucous membrane that can withstand chewing
Enamel is thinner - pulp chamber is smaller -

9. What are the 4 maxillary nerve branches?
Full deep rich sound in nasal cavity
Maxillary third molar
Corners of the mouth
Zygomatic - infraorbital - posterior superior alevolar - pterygopalatine

10. Maxillary Tuberosity
Cluster of tissue that manufactures and secrets fluid
Digstric - Mylohyoid - stylohyoid - geniohyoid
Lower arch of the teeth
A rounded area beyond the last posterior maxillary tooth

11. Lacrimal Bones
The inner surface of the cheeks
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Two cortical bone plates that come together between each tooth

12. Contour Lines of Owen
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
The fixed attachment of a muscle
Demonstrates a disturbance in the body metabolism
When cells rapidly increase in number

13. Buccal
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum
Mastication - aids in speech - influence facial structure - chewing surfaces
Outside surface Which is towards the cheek - on posterior teeth
Separates the developing oral cavities from the nasal cavities

14. Incisive Nerve branch
When the tissue becomes inflamed
Intervating the anterior teeth and the labial gingiva
A line that represents the alveolus bone lining the socket
Fleshy elevation under the tongue

15. Cuspid
(free gingiva) surrounds the teeth
Third tooth from the midline
Digstric - Mylohyoid - stylohyoid - geniohyoid
The tip of the chin

16. Lingual Veins
Forms into dentin - cementum and pulp of the teeth
Two cortical bone plates that come together between each tooth
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10
Bluish veins that run the length of the tongue

17. Gingival Groove
Cells From which connective tissue evolve
Portion of the lips that are red
The line of demarcation between the attached gingiva and the marginal gingiva
Corners of the mouth

18. Styloid Process
Sharp projection on the under surface of the temporal bone
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Forms a large cavity above the roots of the maxillary molars
Demonstrates a disturbance in the body metabolism

19. Vermilion Zone
Tissue covering the alveolar processes
A period of both primary teeth and permeant teeth are in the dentition
Portion of the lips that are red
Band of fibrous tissue which attaches bone to bone

20. Embryo
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
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
Retracts the tongue and raises the tip of the tongue
Two weeks thru 8th week

21. Inferior Nasal Conchae
Bluish veins that run the length of the tongue
The inner surface of the cheeks
Forms the bulk of the tooth
Scroll like bones outside the nasal cavaties

22. What are the four major muscles of facial expression
Mucosa that covers the alveolar bone
Calcified masses of dentin
Cluster of tissue that manufactures and secrets fluid
Orbicularis oris - buccinator - mentalis - zygomatic major

23. When do the primary teeth begin erupting and are fully erupted?
A rounded area beyond the last posterior maxillary tooth
Arteries supplying blood to most of the head and the neck
6 months/3years
Inside of the maxillary teeth

24. Sublingual Sulcus
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
Cells From which connective tissue evolve
Calcium salts are deposited into formed tooth
A horseshoe shaped groove that follow the curve of the dental arch

25. Peritubular Dentin
Bone that surrounds the root of the tooth
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth
Creates the wall of the dentinal tubule
12 years

26. Eruption
Hinge motion and gliding movement
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Tooth emerges from gum tissue and becomes visible
Drains the Pterygoid plexus of the veins

27. Furcation
Place where the groove comes together or fissures cross
Dividing point of a multi-rooted tooth
Folds of tissue to the the lingual veins
Tissue covering the alveolar processes

28. Stensens' Duct (aka Parotid)

29. Xygote
The study of the microscopic structure and functions of tissues
Vertical groove on the midline of the upper lip
When cells rapidly increase in number
Small curved lines that run parellel to the CEJ

30. Lingual Vein
The development of different tissues
Portion of the root seen in the oral cavity
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Drains the floor of the mouth

31. What are the intrinsical muscles of the tongue responsible for?
Shaping the tongue during speech - mastication and swallowing
Forms after the completion of the apical foramen
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Extends from the medial corner of the eye to the nasal cavity

32. Agenesis
The study of the microscopic structure and functions of tissues
Occurs in unusual ways and distorted crowns may appear
The first predentin that is formed and matures within the tube
The gingiva in the floor of the gingival sulcus that attaches to the enamel

33. What is the smallest tooth in dentition?
Resist rotational forces and hold teeth in inter-proximal contact
Forms into dentin - cementum and pulp of the teeth
Portion of the lips that are red
Mandibular central incisors

34. Pterygoid plexus of the veins
A shallow v-shaped depression located below the bottom of the nose and above the lips
Short tubules that seem to crossover to the enamel
A junction or center of veins that directly or indirectly drain a vast area
Largest division of the trigeminal nerve

35. Parotid Papilla
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
A shallow v-shaped depression located below the bottom of the nose and above the lips
Cut - tear - and grind food

36. Enamel Spindle
Short tubules that seem to crossover to the enamel
Substances between cells
Depresses the tongue
Primary embryonic mesoderm layer that develops during the morpho differentiation period

37. Function of Digastric
Slight ridges on the cervical third of certain teeth that extend mesiodistally
Lift the hyoid bone and assist in opening the mouth
Two
The fixed attachment of a muscle

38. What is the maxillary cuspid known as?
Surface away from the midline
4th week
The cornerstone of the mouth
Second teeth next to central incisors

39. Lingual
Inside surface Which is towards the tongue - on anterior teeth
Palatoglossus - palatopharyngeal
Retracts or depresses the tongue
Located on the inside of the body of the ramus

40. Maxillary Artery
Stained growth rings in dentin
Largest of the branches of the external carotid artery; supplies facial structure
A line of demarcation between the attached gingiva and alveolar mucosa
Greater - lesser - naso palatine nerves

41. Greater Palatine Foramen
The largest of three openings located in the posterior region of the hard palate
Calcium salts are deposited into formed tooth
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. Attrition
Wearing away of the incisal or occlusal surfaces of the tooth
Duct located on the parotid papilla
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Causes a thickening of the cementum around the apex

43. Mastoid process
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Bony projection found on the bottom border of the temporal bone
Appears to be loosely attached - covering the alveolar bone.
Two cortical bone plates that come together between each tooth

44. External Auditory Meatus
Respiratory system - digestive system and glandular organs
Resulting from an imperfect union where the lobes come together
Joined at the midline and are often referred to as the median Palatine suture
Opening for the ear

45. Cemental Spurs
Found near the cementoenamel junction
Acts as anchors between the alveolar bone and the tooth
Cluster of tissue that manufactures and secrets fluid
Linear elevation of the tooth

46. Apical Fiber Group
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
The inner surface of the cheeks
Resists forces that try to pull the tooth outward
Appears to be loosely attached - covering the alveolar bone.

47. Greater Palatine Nerve
Portion of the lips where the skin meets the vermilion zone
Follows the length of the body of the mandible past the last tooth and up to the ramus
A horseshoe shaped groove that follow the curve of the dental arch
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth

48. Maxillary Nerve Branch
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Teeth after cuspids
Fleshy elevation under the tongue

49. Internal Carotid Artery
Inner portion of the enamel rod
Raised vertical folds of tissue on the lateral border of the tongue
Supplies blood to the brain and the eyes
4th week

50. Ala of the Nose
Three bulges on the incisal edge
Bicuspids
The outer edge of the nostril
To bulge of curve outward