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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.
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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. Ligament
A triangular area located behind the last molar
Band of fibrous tissue which attaches bone to bone
Origin - fixed point - insertion - movable point
Interdental ligament

2. Where is the palate located?
Palatoglossus - palatopharyngeal
Occlusal surface of the posterior tooth
Inside of the maxillary teeth
To lubricate the oral cavity and to moisten food

3. What is saliva made of?
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
H20 - mucin - organic salts and digestive enzymes
Forming organ takes shape and resembles the shape of a bell
Wearing away of the incisal or occlusal surfaces of the tooth

4. Labial Mucosa
Fleshy elevation under the tongue
The disc becomes displaced
The crown of the tooth that is nearest the incisal edge near the anterior tooth
The inner surface of the lips

5. Cuspid
Vestibule - vestibule fornix - labial mucosa - buccal mucosa - parotid papilla - Stenson's duct - linea alba - Fordyce's spots - alveolar mucosa - gingiva - labial frenum - buccal frenum
Third tooth from the midline
The development of different cells
The fixed attachment of a muscle

6. Foliate Papillae
Raised vertical folds of tissue on the lateral border of the tongue
Band of fibrous tissue which attaches muscle to bone
Forms after the completion of the apical foramen
A pocket formed by the soft tissue of cheeks and gingiva

7. Lamina Propria
The connective tissue of the marginal gingiva
Band of fibrous tissue which attaches muscle to bone
Two vertical extensions of the mandible
Curve outward

8. Oblique Ridge
Largest division of the trigeminal nerve
Elevated area fo enamel that extends obliquely across the occlusal surface of the tooth
Inside surface Which is towards the tongue - on anterior teeth
Covering over the enamel that is left over from the epithelium ameloblasts

9. Calcification
Raised vertical folds of tissue on the lateral border of the tongue
Layers of tooth tissue become calcified
Cells From which connective tissue evolve
Origin of the tooth

10. Morpho differentiation
Assist in depressing the mandible and elevating the tongue
9 months (5 months ultrasound to tell sex)
Maxillary third molar
The development of different forms

11. Infraorbital Foramen
Opening in the mouth below the orbit on the maxillary bone
Pulls the hyoid bone and the tongue anteriorly
To dissolve
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate

12. Evanesce
Drains the superficial veins of the face and neck into the subclavian vein
The space between the unattached gingiva and the tooth
The groove below the lower lips that separates the lips from the chin
To dissolve

13. Fetus
Synovial fluid
Outside surface Which is towards the cheek - on posterior teeth
Small raised projections where taste buds are located
9 weeks thru birth

14. Alveologingival Fiber Groups
Pulls the hyoid bone and the tongue anteriorly
Aid in attaching the gingiva to the alveolar bone
Looking at the border of the tongue
Skeletal or soft tissue structures used as reference points in describing locations of anatomical structures or taking measurements

15. Attrition
Maxillary third molar
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
Wearing away of the incisal or occlusal surfaces of the tooth
When the surface of the teeth becomes grooved

16. Gland
Cluster of tissue that manufactures and secrets fluid
Outside surface Which is towards the lips
When the surface of the teeth becomes grooved
Drains the maxiallary artery and superficial temporal arteries

17. Function of mylohyoid
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
Assist in depressing the mandible and elevating the tongue
Cells From which connective tissue evolve
Secrete saliva to assist in process of digestion

18. Sublingual Glands
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
Enamel is thinner - pulp chamber is smaller -
Surface away from the midline
Week 12

19. Histo Differentiation
Scroll like bones outside the nasal cavaties
Second teeth next to central incisors
Drains the facial structures beginning near the eye and descending toward the mandible
Cells develop into different tissues

20. Incisal Edge
Small raised projections where taste buds are located
Origin - fixed point - insertion - movable point
Biting edge of the teeth
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue

21. Maxillary Nerve Branch
The inner surface of the cheeks
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Small yellowish glands on the labial mucosa
Calcium salts are deposited into formed tooth

22. External Oblique Ridge
Week 11
Follows the length of the body of the mandible past the last tooth and up to the ramus
Drains the floor of the mouth
Study of prenatal growth and the developing process of an individual

23. Enamel Lamellae
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
6 years old
Receives blood from the cranium - face and neck and drains into the brachiocphalic vein
Narrow long enamel tuft

24. Rami
Two vertical extensions of the mandible
Two cortical bone plates that come together between each tooth
The slightly raised line extending down the middle of the hard palate
A condition where the lower frenum attachment is very short/DDS/frenectomy

25. What are the 3 branches of the mandibular nerve branch?
Tubules that pass through the entire surface of the dentin
Largest of the branches of the external carotid artery; supplies facial structure
Buccal - lingual - and inferior alveolar
Narrow long enamel tuft

26. What are the only permeant teeth that are not succedaneous?
The mandibular molars
The inner surface of the lips
Molars
Forms into the inner lining of the oral cavitiy and enamel of the teeth

27. Anterior Alveolar Nerve
Folds of tissue to the the lingual veins
The inner surface of the lips
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
A line of demarcation between the attached gingiva and alveolar mucosa

28. What are the largest and strongest of the mandibular teeth
10 days
The mandibular molars
Origin of the tooth
Found only in multi-rooted teeth and resists rotational forces

29. Function of Geneoglossus?
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars
Retracts or depresses the tongue
Extends interiorly from the pterygopalatine nerve and exits thru the incisive foramen
Three bulges on the incisal edge

30. Posterior Tonsillar Pillar
Set of arches found farther in the back of the throat
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
Origin of the tooth
Pointed elongations of the pulp

31. Fimbriated Folds
Portion of the lips that are red
Folds of tissue to the the lingual veins
Corners of the mouth
Drains the facial structures beginning near the eye and descending toward the mandible

32. Pterygoid Process
2 small raised folds of tissue where the lingual frenum attaches
Excess dryness of the mouth
Tooth emerges from gum tissue and becomes visible
Wings of the sphenoid bone

33. Nasal-Labial Groove
Mandibular central incisors
The internal surface at the center of the mandible
Lower arch of the teeth
A faint line going from the ala of the nose to the corner of the mouth

34. Stensens' Duct (aka Parotid)

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35. Dentinal Fluid
Tissue fluid surrounding the cell membrane of the odontoblast
Opening for the ear
Resulting from an imperfect union where the lobes come together
Second teeth next to central incisors

36. Maxillary vein
The ridges that run horizontally across the hard palate behind the incisive papilla
Drains the Pterygoid plexus of the veins
Permeante teeth replace the primary teeth
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars

37. Cingulum
An overgrowth of the gingival tissue
Convex area on the lingual surface near gingiva
A bony projection that separates each socket
Study of the structure and form of the teeth

38. Interdental Septum
When the surface of the teeth becomes grooved
Curve outward
Supplies blood to the roots and periodontal ligaments of the interior teeth
A bony projection that separates each socket

39. Marginal Ridges
4th week
Elevated are of enamel that forms the Mesial and distal borders
Enamel forming cells
Duct located on the parotid papilla

40. Embryo
Two weeks thru 8th week
A junction or center of veins that directly or indirectly drain a vast area
Calcium salts are deposited into formed tooth
It intervates the buccal mucosa and buccal gingiva as well as the buccal of the mandibular molars

41. Enamel Dysplasia
When the surface of the teeth becomes grooved
A condition where the lower frenum attachment is very short/DDS/frenectomy
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip
Forms a large cavity above the roots of the maxillary molars

42. Palatine Raphe
Divides the crown and the root
No bicuspids/ no 3rd molars
The slightly raised line extending down the middle of the hard palate
Pointed elongations of the pulp

43. Function of Hyoglossus
Depresses the tongue
The inner surface of the lips
Extends from the mucogingival junction to the gingival groove
Teeth will not erupt in proper position

44. What is the largest cranial nerve and the most important to dental auxillaries and why?
Trigeminal nerve--because it ennervates the maxilla and the mandible
The largest of the salivary glands which lie just below and in front of the ear
Excess bone in the middle of the palate
Appears to be loosely attached - covering the alveolar bone.

45. Tendon
Band of fibrous tissue which attaches muscle to bone
A bat shaped bone which forms the anterior portion of the skull
Teeth after cuspids
Orbicularis oris - buccinator - mentalis - zygomatic major

46. Paranasal
Fleshy elevation under the tongue
Of or pertaining to area surrounding naval cavity
Intervates the anterior maxillary sinus - gingiva - cuspids - laterals - and central incisors
A pocket formed by the soft tissue of cheeks and gingiva

47. Convex
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth
A line that represents the alveolus bone lining the socket
To bulge of curve outward
Genioglossus - hyoglossus - styloglossus - palatoglossus

48. Occlusion third
32
A horseshoe shaped groove that follow the curve of the dental arch
A bat shaped bone which forms the anterior portion of the skull
Occlusal surface of the posterior tooth

49. What are the four main functions of deciduous teeth?
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Demonstrates a disturbance in the body metabolism
Mastication - aids in speech - influence facial structure - chewing surfaces
Begin at the caruncles on either side of the frenum and run backward to the base of the tongue

50. Distal
Teeth after cuspids
Surface away from the midline
Quarters of the teeth
Small bony projections surrounding the lingual foramen

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Dental Assisting: Head And Neck Anatomy

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