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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. Function of Platysma
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Lining covers inside of the oral cavity
Draws down the mandible and corners of the mouth
Bluish veins that run the length of the tongue

2. Lobes
Developmental segment of a tooth
Also known as meniscus it is a dense fibrous connective tissue that is thicker at the ends and attached to the condyle
Cells develop into different tissues
The internal surface at the center of the mandible

3. Facial development
4th week
Covers muscle tissue in the posterior portion of the palate
Tissue covering the alveolar processes
The largest of three openings located in the posterior region of the hard palate

4. Succedaneous teeth
Permeante teeth replace the primary teeth
A pocket formed by the soft tissue of cheeks and gingiva
Creates the wall of the dentinal tubule
Small linear depression

5. If Palate not fused
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Teeth will not erupt in proper position
Supplies blood to the temporal muscle - masseter muscle - pterygoid muscle and buccanator
The mandibular molars

6. Incisive Nerve branch
A line of tissue that extends from the tongue to the floor of the mouth
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
Intervating the anterior teeth and the labial gingiva

7. Interradicular Septum
Divides the crown and the root
Convex area on the lingual surface near gingiva
The bone that separates the root on a tooth
Demonstrates a disturbance in the body metabolism

8. Histology
Two weeks thru 8th week
The study of the microscopic structure and functions of tissues
A line of demarcation between the attached gingiva and alveolar mucosa
Small dark brushes

9. Denticion
To lubricate the oral cavity and to moisten food
Disk that acts like a cushion between the temporal bone and the condyloid process
Natural teeth in position
Wings of the sphenoid bone

10. Maxillary Sinus
Forms a large cavity above the roots of the maxillary molars
Opening for the ear
Lower arch of the teeth
2 to 3 pints

11. Pulpitis
Excess bone formations under the tongue on the alvellar bone
When the tissue becomes inflamed
Primary and permanent
Resists forces that try to pull the tooth outward

12. Pulp horns
Covers muscle tissue in the posterior portion of the palate
Assist in the movement and functioning of the tongue
Molars
Pointed elongations of the pulp

13. Deep Facial Veins
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Bone that surrounds the root of the tooth
Secrete saliva to assist in process of digestion

14. Lacrimal Bones
Anterior to the ethmoid bone and part of the orbit (corners of the eye)
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Where the proximal sides of two teeth come together and touch
Ala of the nose - naso-labial groove - philtrum - vermilion border - vermilion zone - turbercle of the lip - labial commissures - labio-mental grooves

15. Secondary palate
Acts as anchors between the alveolar bone and the tooth
Forms the remaining 2/3 of the hard and soft palate uvula
Surface away from the midline
Found near the cementoenamel junction

16. External Jugular Vein
Surface towards the midline
Drains the superficial veins of the face and neck into the subclavian vein
Tooth emerges from gum tissue and becomes visible
Arteries supplying blood to most of the head and the neck

17. Tome's process
A horseshoe shaped groove that follow the curve of the dental arch
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
Upper arch of the teeth
Responsible for laying down the enamel matrix into place

18. Mylohyoid Nerve Branch
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Moves the head backward and laterally
A flap of tissue on the on the buccal mucosa
The development of different forms

19. Secondary Dentin
Forms after the completion of the apical foramen
Hair-like projections anterior to the circumvallate papillae and covering the dorsal side of the tongue
Stained growth rings in dentin
Used to pulverize food

20. What are the only permeant teeth that are not succedaneous?
A condition where the lower frenum attachment is very short/DDS/frenectomy
Platysma - trapezius - sternocleidomastoid
20
Molars

21. Fordyce's Spots
Descends from the cusp and widens as it runs down to the midline area of the occlusal surface
Small yellowish glands on the labial mucosa
A junction or center of veins that directly or indirectly drain a vast area
Resists intrusive forces that try to push the tooth inwards

22. Proliferation
Where the ectoderm layer matures into the enamel
The teeth located at the back of the mouth
A triangular area located behind the last molar
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface

23. Torus Mandibularis
To dissolve
Upper arch of the teeth
Small curved lines that run parellel to the CEJ
Excess bone formations under the tongue on the alvellar bone

24. Mandibular Foramen
The mandibular molars
Located on the inside of the body of the ramus
Function to resist rotational forces and tilting
An extension of an unattached gingiva and the tooth

25. What are the 4 extrinsic muscles of the tongue
6 months/3years
A concave area where two bones of the mandible are fused in the center of the mandible on the external surface
Genioglossus - hyoglossus - styloglossus - palatoglossus
A flap of tissue on the on the buccal mucosa

26. Pit
Hinge motion and gliding movement
Largest division of the trigeminal nerve
Place where the groove comes together or fissures cross
Permeante teeth replace the primary teeth

27. Rami
Cells From which connective tissue evolve
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Looking at the border of the tongue
Two vertical extensions of the mandible

28. Sublingual Sulcus
A horseshoe shaped groove that follow the curve of the dental arch
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Middle two teeth in the mouth
Respiratory system - digestive system and glandular organs

29. Gingival Hyperplasia
An overgrowth of the gingival tissue
Cells that form dentin
Intervating the anterior teeth and the labial gingiva
Joined at the midline and are often referred to as the median Palatine suture

30. Cusps
Pointed or rounded mounds on the crown of the tooth
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
Maxillary first molar
Supplies the lateral wall of the maxillary sinus - gingiva - mesial buccal root of the first molar - and the roots of the bicuspids

31. When do the primary teeth begin erupting and are fully erupted?
Study of prenatal growth and the developing process of an individual
6 years old
6 months/3years
Draws down the mandible and corners of the mouth

32. What are the 3 branches of the mandibular nerve branch?
Small curved lines that run parellel to the CEJ
Surface towards the midline
Allow flexibility during mastication - speech
Buccal - lingual - and inferior alveolar

33. Concave
Interdental ligament
The outer edge of the nostril
Two
Indented

34. Maxilla
Largest facial bone with two sections joined at the median suture
To bulge of curve outward
Mastication - aids in speech - influence facial structure - chewing surfaces
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

35. Which molar contains the cusp of Caribelli?
Clear fluid secreted by the salivary and mucous glands throughout the mouth
Interdental ligament
Maxillary first molar
20

36. Internal Oblique Ridge
Follows the inside of the ramus and the body of the mandible
Located on the inside of the body of the ramus
Outside surface Which is towards the cheek - on posterior teeth
Forms the bulk of the tooth

37. Furcation
Digstric - Mylohyoid - stylohyoid - geniohyoid
A dense tissue covered with mucous membrane that can withstand chewing
Dividing point of a multi-rooted tooth
Maxillary third molar

38. Fissure
The area on the crown of the tooth that is nearest the gingival
Primary and permanent
A line of demarcation between the attached gingiva and alveolar mucosa
Resulting from an imperfect union where the lobes come together

39. Gums
Tissue covering the alveolar processes
Portion covered with cementum
When the tissue becomes inflamed
The teeth located at the back of the mouth

40. Lingual Foramen
Located in a depressed area between the pillars
Secrete saliva to assist in process of digestion
The internal surface at the center of the mandible
Disk that acts like a cushion between the temporal bone and the condyloid process

41. Genial Tubercles
A small projection in the middle of the upper lip
Drains the maxiallary artery and superficial temporal arteries
Small bony projections surrounding the lingual foramen
Portion of the root seen in the oral cavity

42. Muscle origine
Teeth will not erupt in proper position
Portion covered with cementum
The fixed attachment of a muscle
The outer edge of the nostril

43. Palantine Tonsils
A bat shaped bone which forms the anterior portion of the skull
The study of the microscopic structure and functions of tissues
Located in a depressed area between the pillars
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

44. Uvula
A projection that extends off the back of the soft palate
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
Surface towards the midline

45. What are the 4 cranial nerves that ennervate the face and oral cavity
Trigeminal - facial - glossopharyngeal - hypoglossal
Small grooves noted on some teeth
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
The line of demarcation between the attached gingiva and the marginal gingiva

46. Attrition
1500 millimeters
Calcium salts are deposited into formed tooth
A bat shaped bone which forms the anterior portion of the skull
Wearing away of the incisal or occlusal surfaces of the tooth

47. Mental Protuberance
Forms a large cavity above the roots of the maxillary molars
The tip of the chin
Full deep rich sound in nasal cavity
Located behind the ramus of the mandible and branches into five arteries

48. What are the 12 landmarks of the oral cavity?

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49. Apposition
Secrete saliva to assist in process of digestion
Calcium salts are deposited into formed tooth
The gingiva in the floor of the gingival sulcus that attaches to the enamel
Tissue fluid surrounding the cell membrane of the odontoblast

50. Landmarks
Clear fluid secreted by the salivary and mucous glands throughout the mouth
6 months/3years
Covering over the enamel that is left over from the epithelium ameloblasts
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements