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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. Cusp of Caribelli
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Inside surface Which is towards the tongue - on anterior teeth
Found near the cementoenamel junction
Fifth cusp located on the mesial surface lingual surface of maxillary first molars

2. Styloid Process
The development of different cells
(free gingiva) surrounds the teeth
Sharp projection on the under surface of the temporal bone
Fifth cusp located on the mesial surface lingual surface of maxillary first molars

3. Purpose of premolars
A faint line going from the ala of the nose to the corner of the mouth
Enamel is thinner - pulp chamber is smaller -
Separation of the upper lip ( 1 of 1000 live births)
Used to pulverize food

4. Maxillary vein
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Small raised projections where taste buds are located
The portion of the tooth that meets the gingiva
Drains the Pterygoid plexus of the veins

5. Denticion
Portion covered with cementum
Outside surface Which is towards the lips
Natural teeth in position
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements

6. Angle of the Mandible
Where the ramus meets the body of the mandible on the outside border
The line of demarcation between the attached gingiva and the marginal gingiva
Supplies blood to the brain and the eyes
Cells develop into different tissues

7. Furcation
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Dividing point of a multi-rooted tooth
Fleshy elevation under the tongue

8. Dentogingival Fiber Groups
Act to maintain the gingival integrity of the marginal gingiva
Outside surface Which is towards the lips
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
Week 11

9. Morpho differentiation
The development of different forms
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Indented

10. Cusps
Middle two teeth in the mouth
Rounded depression on a tooth
Pointed or rounded mounds on the crown of the tooth
Moves the head backward and laterally

11. Infraorbital Foramen
Occlusal surface of the posterior tooth
Opening in the mouth below the orbit on the maxillary bone
Curve outward
The inner surface of the cheeks

12. Mesoderm
Forms into dentin - cementum and pulp of the teeth
12 years
A line of demarcation between the attached gingiva and alveolar mucosa
Creates the wall of the dentinal tubule

13. What are the characteristics of permanent teeth?
20
Enamel is thinner - pulp chamber is smaller -
Week 12
Wearing away of the incisal or occlusal surfaces of the tooth

14. Gland
Demonstrates a disturbance in the body metabolism
Pulverizing or chewing surface
Bicuspids
Cluster of tissue that manufactures and secrets fluid

15. Submandibular Glands

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16. Peg lateral
Follows the length of the body of the mandible past the last tooth and up to the ramus
Vertical groove on the midline of the upper lip
Peg shaped crown with a smooth surface
Drains the Pterygoid plexus of the veins

17. Fimbriated Folds
Folds of tissue to the the lingual veins
The space between the unattached gingiva and the tooth
Largest papilla - mushroom shaped and are anterior to the sulcus terminalis in a row of 8 to 10
A line that represents the alveolus bone lining the socket

18. Circumpulpal Dentin
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Wings of the sphenoid bone
Maxillary first molar
The layer of dentin that surrounds the pulp

19. Fossa
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
Formed by the uniting of lobes during development of crown
9 months (5 months ultrasound to tell sex)
Rounded depression on a tooth

20. Stenson's Duct
Duct located on the parotid papilla
An overgrowth of the gingival tissue
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids
Convex area on the lingual surface near gingiva

21. Periodontium
A line that represents the alveolus bone lining the socket
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
Outside surface Which is towards the lips
Responsible for laying down the enamel matrix into place

22. Function of Palatoglossus
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Small dark brushes
Elevates the posterior portion of the tongue and narrows the fauces
Where the ectoderm layer matures into the enamel

23. How is the TMJ supported and what controls their movement?
Ligaments and muscles of mastication
Cells that form dentin
Healthy gingival tissue with an orange texture
Clear fluid secreted by the salivary and mucous glands throughout the mouth

24. Interdental Gingiva
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Conception thru the first two weeks
Function to resist rotational forces and tilting
An extension of an unattached gingiva and the tooth

25. Mandibular Artery
Located behind the ramus of the mandible and branches into five arteries
Enamel forming cells
Small yellowish glands on the labial mucosa
The layer of dentin that surrounds the pulp

26. Perikymata
Opening in the mouth below the orbit on the maxillary bone
Bluish veins that run the length of the tongue
Small grooves noted on some teeth
Clear fluid secreted by the salivary and mucous glands throughout the mouth

27. Ala of the Nose
The outer edge of the nostril
The space between the unattached gingiva and the tooth
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
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth

28. Caruncle
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
Fleshy elevation under the tongue
Triferacated

29. TMJ bones are bathed In what solution?
The disc becomes displaced
Synovial fluid
6 months/3years
The internal surface at the center of the mandible

30. External Auditory Meatus
4 cusps/ bifurcated
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
Opening for the ear
The first predentin that is formed and matures within the tube

31. What is the function of the buccle nerve branch?
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
A period of both primary teeth and permeant teeth are in the dentition
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx

32. Hyoid Bone
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
Located in a depressed area between the pillars
Bicuspids
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone

33. Function of Geneoglossus?
Retracts or depresses the tongue
The mandibular molars
Cells From which connective tissue evolve
Small yellowish glands on the labial mucosa

34. Zygomatic nerve
Upper arch of the teeth
Papillae that give the tongue the strawberry effect
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch

35. Intercellular Substances
Maxillary first molar
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Substances between cells
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged

36. Where is the palate located?
Oval depression of temporal bone in condyloid process
Largest division of the trigeminal nerve
Smaller branch that ennervates the soft palate uvula and tonsils
Inside of the maxillary teeth

37. Mastication
Bony projection found on the bottom border of the temporal bone
Two vertical extensions of the mandible
2 small raised folds of tissue where the lingual frenum attaches
Chewing and swallowing food

38. Pulpitis
When the tissue becomes inflamed
A line of tissue that extends from the tongue to the floor of the mouth
Inner portion of the enamel rod
Draws down the mandible and corners of the mouth

39. Greater Palatine Foramen
Elevates the posterior portion of the tongue and narrows the fauces
The development of different forms
The largest of three openings located in the posterior region of the hard palate
Covering over the enamel that is left over from the epithelium ameloblasts

40. Dental Arteries
Bifurcated/ 5 cusps
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Teeth after cuspids
Supplies blood to the roots and periodontal ligaments of the molars and premolars

41. Alveolar Crest
Two cortical bone plates that come together between each tooth
Narrow long enamel tuft
The development of different tissues
Separation of the upper lip ( 1 of 1000 live births)

42. Calcification
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Located behind the ramus of the mandible and branches into five arteries
Band of fibrous tissue which attaches bone to bone
Layers of tooth tissue become calcified

43. Posterior Superior Alveolar Nerve
Permeante teeth replace the primary teeth
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
Opening in the mouth below the orbit on the maxillary bone
When cells rapidly increase in number

44. Facial Vein
The layer of dentin that surrounds the pulp
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
Drains the facial structures beginning near the eye and descending toward the mandible
The area on the crown of the tooth that is nearest the gingival

45. Nasolacrimal groove
Extends from the medial corner of the eye to the nasal cavity
Full deep rich sound in nasal cavity
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries
2 to 3 pints

46. Incisive Arteries
Supplies blood to the roots and periodontal ligaments of the interior teeth
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
Bone that surrounds the root of the tooth
Buccal - lingual - and inferior alveolar

47. Function of Digastric
Middle two teeth in the mouth
Descends from the cusp and widens as it runs down to the midline area of the occlusal surface
Lift the hyoid bone and assist in opening the mouth
The development of different cells

48. Retromolar Area
32
The study of the microscopic structure and functions of tissues
A triangular area located behind the last molar
Conception thru the first two weeks

49. Meniscus
The first predentin that is formed and matures within the tube
Convex area on the lingual surface near gingiva
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Disk that acts like a cushion between the temporal bone and the condyloid process

50. Palatine Raphe
Respiratory system - digestive system and glandular organs
Depresses the tongue
The slightly raised line extending down the middle of the hard palate
6 months/3years