Test your basic knowledge |

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. Fetal Alcohol Syndrome symptons
A faint line going from the ala of the nose to the corner of the mouth
Forms the remaining 2/3 of the hard and soft palate uvula
Occlusal surface of the posterior tooth
Small head - low nasal bridge - thin upper lip - small mandible

2. Triangular Ridge
Descends from the cusp and widens as it runs down to the midline area of the occlusal surface
Separation of the upper lip ( 1 of 1000 live births)
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Buccal - lingual - and inferior alveolar

3. Greater Palatine Nerve
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
What divides the tongue in half and runs from the base to the tip of the tongue
Small yellowish glands on the labial mucosa

4. How much saliva do the salivary glands produce in 24 hours?
Enamel forming cells
Divides the crown and the root
2 to 3 pints
Portion covered with cementum

5. Vermilion Zone
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
32
Portion of the lips that are red
Intervating the anterior teeth and the labial gingiva

6. Muscle origine
Three bulges on the incisal edge
Vertical groove on the midline of the upper lip
The fixed attachment of a muscle
Two vertical extensions of the mandible

7. Secondary Dentin
(free gingiva) surrounds the teeth
Forms after the completion of the apical foramen
A pocket formed by the soft tissue of cheeks and gingiva
Raised vertical folds of tissue on the lateral border of the tongue

8. Cyto differentiation
Primitive mouth
Dentin found between the tubules
The development of different cells
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged

9. Exfoliated
9 weeks thru birth
Shed from the oral cavity
Molaris meaning millstone
Supplies blood to the face and oral cavity

10. Calcification
The layer of dentin that surrounds the pulp
Layers of tooth tissue become calcified
Assist in depressing the mandible and elevating the tongue
Drains the superficial veins of the face and neck into the subclavian vein

11. Morphology
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
An overgrowth of the gingival tissue
Study of the structure and form of the teeth
The slightly raised line extending down the middle of the hard palate

12. Intertubular Dentin
Natural teeth in position
Second teeth next to central incisors
Dentin found between the tubules
Drains the superficial veins of the face and neck into the subclavian vein

13. Incisal third
Pulverizing or chewing surface
The crown of the tooth that is nearest the incisal edge near the anterior tooth
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum
When the tissue becomes inflamed

14. Transverse Ridge
A shallow v-shaped depression located below the bottom of the nose and above the lips
Inner portion of the enamel rod
Mandibular central incisors
Union of two triangular ridges that produce a single ridge of elevation that cross the occlusal surface of posterior teeth

15. Mental Artery
Supplies blood to the face and oral cavity
4 cusps/ bifurcated
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip
Retracts or depresses the tongue

16. Lobes
Developmental segment of a tooth
An overgrowth of the gingival tissue
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
Used to pulverize food

17. Internal Oblique Ridge
Mastication - aids in speech - influence facial structure - chewing surfaces
Small head - low nasal bridge - thin upper lip - small mandible
Largest of the branches of the external carotid artery; supplies facial structure
Follows the inside of the ramus and the body of the mandible

18. Horizontal Fiber Group
Cut - tear - and grind food
The connective tissue of the marginal gingiva
Functions the same as the alveolar cfg; originate in alveolar bone
Constricts the nasopharyngeal passage and elevates the larynx

19. Caruncle
Located behind the ramus of the mandible and branches into five arteries
Teeth after cuspids
Fleshy elevation under the tongue
Assists in elevating the chin

20. Pterygoid Process
Opening in the mouth below the orbit on the maxillary bone
Wings of the sphenoid bone
Lining covers inside of the oral cavity
Exits the mandibular canal at the mental foramen and supplies the chin and lower lip

21. What are the four main functions of deciduous teeth?
A bat shaped bone which forms the anterior portion of the skull
Mastication - aids in speech - influence facial structure - chewing surfaces
Middle two teeth in the mouth
Elevates the posterior portion of the tongue and narrows the fauces

22. Succedaneous teeth
Small yellowish glands on the labial mucosa
Permeante teeth replace the primary teeth
A condition where the lower frenum attachment is very short/DDS/frenectomy
No bicuspids/ no 3rd molars

23. lst and second premolars
Bicuspids
Papillae that give the tongue the strawberry effect
Teeth after cuspids
Elevates the posterior portion of the tongue and narrows the fauces

24. Maxillary Nerve Branch
Molaris meaning millstone
Located on the inside of the body of the ramus
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Drains the maxiallary artery and superficial temporal arteries

25. Primary palate
Appears to be loosely attached - covering the alveolar bone.
Separates the developing oral cavities from the nasal cavities
The connective tissue of the marginal gingiva
The mandibular molars

26. What are the eight landmarks of the face?
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves
Fleshy elevation under the tongue
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements
Sharp projection on the under surface of the temporal bone

27. What is origin and What is insertion?
Convex area on the lingual surface near gingiva
Oval structures that are located on the dorsal surface of the tongue
Origin - fixed point - insertion - movable point
Pulverizing or chewing surface

28. Supplemental Groove
Located behind the ramus of the mandible and branches into five arteries
Forms the remaining 2/3 of the hard and soft palate uvula
Radiates from the developmental groove
Fifth cusp located on the mesial surface lingual surface of maxillary first molars

29. Osteoclasts
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
A dense tissue covered with mucous membrane that can withstand chewing
Enamel is thinner - pulp chamber is smaller -
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged

30. Posterior Tonsillar Pillar
Follows the inside of the ramus and the body of the mandible
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
Set of arches found farther in the back of the throat
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth

31. Duct
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
Portion of the root seen in the oral cavity
Study of prenatal growth and the developing process of an individual
Canal or passage for fluid

32. Dentinal Tubules
Responsible for laying down the enamel matrix into place
Tubules that pass through the entire surface of the dentin
A triangular area located behind the last molar
Linear elevation of the tooth

33. Tendon
The bone that separates the root on a tooth
Band of fibrous tissue which attaches muscle to bone
Creates the wall of the dentinal tubule
Tissue covering the alveolar processes

34. What is the function of the buccle nerve branch?
Corners of the mouth
Portion of the root seen in the oral cavity
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Cells develop into different tissues

35. What is Ankyloglossia and who can treat it / What is the treatment called?
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
Dissolve and reabsorb calcium salts of the bone matrix when stressed or damaged
A condition where the lower frenum attachment is very short/DDS/frenectomy
Bi-cuspids

36. Torus
Enamel forming cells
A triangular area located behind the last molar
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids
Excess bone in the middle of the palate

37. Mamelons
Developmental segment of a tooth
Two weeks thru 8th week
Three bulges on the incisal edge
A horseshoe shaped groove that follow the curve of the dental arch

38. Gums
Elevated are of enamel that forms the Mesial and distal borders
An extension of an unattached gingiva and the tooth
Tissue covering the alveolar processes
Extends from the medial corner of the eye to the nasal cavity

39. Peritubular Dentin
Oval depression of temporal bone in condyloid process
An overgrowth of the gingival tissue
Supplies blood to the roots and periodontal ligaments of the interior teeth
Creates the wall of the dentinal tubule

40. Attached Gingiva
Resists forces that try to pull the tooth outward
Full deep rich sound in nasal cavity
Extends from the mucogingival junction to the gingival groove
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth

41. Xerostomia
Moves the head backward and laterally
Excess dryness of the mouth
Demonstrates a disturbance in the body metabolism
Resists intrusive forces that try to push the tooth inwards

42. Embrasure
A flap of tissue on the on the buccal mucosa
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
Small linear depression
Triangular space in the gingival direction when two adjacent teeth are in contact

43. What is the longest tooth in the mandibular arch?
Joined at the midline and are often referred to as the median Palatine suture
The mandibular first premolar
A line of demarcation between the attached gingiva and alveolar mucosa
Middle two teeth in the mouth

44. Histo Differentation
Depresses the tongue
The development of different tissues
Largest division of the trigeminal nerve
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins

45. Gingival Groove
Teeth after cuspids
The line of demarcation between the attached gingiva and the marginal gingiva
A bony projection that separates each socket
Trigeminal nerve--because it ennervates the maxilla and the mandible

46. What kind of root does the maxillary first molar have?
Triferacated
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Small grooves noted on some teeth

47. Hard Palate
Separates the developing oral cavities from the nasal cavities
A bony plate covered with keratinized tissue located in the anterior portion of the palate
Forming organ takes shape and resembles the shape of a bell
12 years

48. Genial Tubercles
Drains the maxiallary artery and superficial temporal arteries
Small bony projections surrounding the lingual foramen
Band of fibrous tissue which attaches bone to bone
A shallow v-shaped depression located below the bottom of the nose and above the lips

49. Resonance
No bicuspids/ no 3rd molars
Three cusps/ trifurcated
Full deep rich sound in nasal cavity
A pocket formed by the soft tissue of cheeks and gingiva

50. Common Carotid
Band of fibrous tissue which attaches muscle to bone
Arteries supplying blood to most of the head and the neck
A small projection in the middle of the upper lip
Portion of the lips where the skin meets the vermilion zone