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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. Succedaneous teeth
Study of prenatal growth and the developing process of an individual
A condition where the lower frenum attachment is very short/DDS/frenectomy
Tissue covering the alveolar processes
Permeante teeth replace the primary teeth

2. Gums
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Cells From which connective tissue evolve
Tissue covering the alveolar processes
Small raised projections where taste buds are located

3. Fibroblasts
Set of arches found farther in the back of the throat
Cells From which connective tissue evolve
Resists intrusive forces that try to push the tooth inwards
Zygomatic - infraorbital - posterior superior alevolar - pterygopalatine

4. Odontal Fiber Groups
Rounded depression on a tooth
Resist rotational forces and hold teeth in inter-proximal contact
Narrow long enamel tuft
Allow flexibility during mastication - speech

5. Facial Artery
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
Dentin found between the tubules
Greater - lesser - naso palatine nerves
The slightly raised line extending down the middle of the hard palate

6. Foliate Papillae
Raised vertical folds of tissue on the lateral border of the tongue
Oval structures that are located on the dorsal surface of the tongue
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
4/5 cusps/ 3 roots

7. Mucosa
The cornerstone of the mouth
Two smaller openings located behind the greater Palatine Foramen in the posterior region of the hard palate
The inner surface of the lips
Lining covers inside of the oral cavity

8. Maxillary Nerve Branch
Excess dryness of the mouth
Band of fibrous tissue which attaches muscle to bone
A sensory nerve that ennervates the nose - cheeks - palate - gingiva - maxillary teeth - maxillary sinus - tonsils and nasal pharynx
Clear fluid secreted by the salivary and mucous glands throughout the mouth

9. Maxillary vein
Pointed elongations of the pulp
Follows the length of the body of the mandible past the last tooth and up to the ramus
Mildest form of cleft palate
Drains the Pterygoid plexus of the veins

10. Muscle origine
The fixed attachment of a muscle
Supplies blood to the face and oral cavity
Initiation of the tooth begins
Acts as anchors between the alveolar bone and the tooth

11. Contact Area
Where the proximal sides of two teeth come together and touch
Drains the Pterygoid plexus of the veins
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Allow flexibility during mastication - speech

12. Morphology
Middle two teeth in the mouth
Band of fibrous tissue which attaches muscle to bone
Week 12
Study of the structure and form of the teeth

13. Histo Differentation
Circle and tighten the gingival margin around the neck of the tooth
The development of different tissues
Three bulges on the incisal edge
Secrete saliva to assist in process of digestion

14. Enamel Lamellae
Narrow long enamel tuft
Bicuspids
Bluish veins that run the length of the tongue
To lubricate the oral cavity and to moisten food

15. How much saliva is produced daily?
The internal surface at the center of the mandible
1500 millimeters
Occlusal surface of the posterior tooth
20

16. Internal Carotid Artery
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch
Supplies blood to the brain and the eyes
10 days
Functions the same as the alveolar cfg; originate in alveolar bone

17. Zygomatic nerve
The mandibular molars
The development of different cells
Where the ramus meets the body of the mandible on the outside border
Innervates the orbicular oculi - the area around the eye - and the area around and behind the zygomatic arch

18. What are the characteristics of deciduous teeth?
The largest of the salivary glands which lie just below and in front of the ear
Palatoglossus - palatopharyngeal
Smaller - enamel thicker - pulp chamber is larger is larger - bifurcation wider
Allow flexibility during mastication - speech

19. What are the two ways the TMJs move?
Occlusal surface of the posterior tooth
Hinge motion and gliding movement
An overgrowth of the gingival tissue
Resists intrusive forces that try to push the tooth inwards

20. Which molar contains the cusp of Caribelli?
Pulls the hyoid bone and the tongue anteriorly
Maxillary first molar
The first predentin that is formed and matures within the tube
Substances between cells

21. What are the four major muscles of facial expression
Substances between cells
Calcium salts are deposited into formed tooth
Found near the cementoenamel junction
Orbicularis oris - buccinator - mentalis - zygomatic major

22. Imbracation Lines
Small curved lines that run parellel to the CEJ
The tip of the chin
A condition where the lower frenum attachment is very short/DDS/frenectomy
Inner portion of the enamel rod

23. What are the 4 taste senses and where are they located?
Sweet --tip of the tongue - salty--anterior sides of the tongue - sour--posterior sides of the tongue - bitter--center posterior of the tongue
A pocket formed by the soft tissue of cheeks and gingiva
Follows the length of the body of the mandible past the last tooth and up to the ramus
Pointed elongations of the pulp

24. Fetal Alcohol Syndrome symptons
Narrow long enamel tuft
Small head - low nasal bridge - thin upper lip - small mandible
Zygomatic - infraorbital - posterior superior alevolar - pterygopalatine
Distends the ramus - enters the mandibular foramen and bifurcates around the first premolar tooth to form the incisive and the mental arteries

25. Function of Palatopharyngeal
Forms after the completion of the apical foramen
Dentin found between the tubules
Constricts the nasopharyngeal passage and elevates the larynx
A condition where the lower frenum attachment is very short/DDS/frenectomy

26. Alveolar Mucosa
Temporal muscles - masseter muscles - internal pterygoid muscles - external pterygoid muscles
Mucosa that covers the alveolar bone
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
The study of the microscopic structure and functions of tissues

27. Alveolar Crest Fiber Group
Oval structures that are located on the dorsal surface of the tongue
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
When the surface of the teeth becomes grooved
Function to resist rotational forces and tilting

28. Gingival Hyperplasia
Origin of the tooth
An overgrowth of the gingival tissue
A horseshoe shaped groove that follow the curve of the dental arch
The inner surface of the lips

29. Cusp of Caribelli
Drains the facial structures beginning near the eye and descending toward the mandible
Allow flexibility during mastication - speech
Fifth cusp located on the mesial surface lingual surface of maxillary first molars
Lift the hyoid bone and assist in opening the mouth

30. Sublingual Glands
A line of demarcation between the attached gingiva and alveolar mucosa
Where the ramus meets the body of the mandible on the outside border
Looking at the border of the tongue
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

31. Ameloblast
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Dividing point of a multi-rooted tooth
Palatoglossus - palatopharyngeal
Enamel forming cells

32. Mental Nerve Branch
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Largest division of the trigeminal nerve
Three cusps/ trifurcated
Incremental line indicating trauma of birth

33. Anterior Tonsillar Pillar
Opening for the ear
Folds of tissue that extend horizontally from the uvula to the base of the tongue
Shaping the tongue during speech - mastication and swallowing
Serves the soft palate - hard palate - medial gingival and mucous membrane as far forward as the anterior teeth

34. Incisive Arteries
Raised vertical folds of tissue on the lateral border of the tongue
Synovial fluid
Supplies blood to the roots and periodontal ligaments of the interior teeth
Upper arch of the teeth

35. Tubercle of the Lip
A small projection in the middle of the upper lip
A faint line going from the ala of the nose to the corner of the mouth
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
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

36. Function of Digastric
Enamel is thinner - pulp chamber is smaller -
Lift the hyoid bone and assist in opening the mouth
Formed by the uniting of lobes during development of crown
(free gingiva) surrounds the teeth

37. Facial development
6 years old
Oval depression of temporal bone in condyloid process
4th week
An extension of an unattached gingiva and the tooth

38. Histology
Found near the cementoenamel junction
Forms into the inner lining of the oral cavitiy and enamel of the teeth
Function to resist rotational forces and tilting
The study of the microscopic structure and functions of tissues

39. Neonatal line
Papillae that give the tongue the strawberry effect
A faint line going from the ala of the nose to the corner of the mouth
Incremental line indicating trauma of birth
Shed from the oral cavity

40. Buckle groove
Depression forming a groove that sends from the middle of the buckle surface to the occlusal surface of the tooth
Tributary of the facial vein which connects the facial vein to the pterygoid plexus of the veins
Portions of the tooth structure that support hard and soft dental tissues and the alveolar bone
Full deep rich sound in nasal cavity

41. Lingual Foramen
Supplies blood to the roots and periodontal ligaments of the molars and premolars
Middle two teeth in the mouth
The internal surface at the center of the mandible
Small grooves noted on some teeth

42. What are the extrinsic muscles of the tongue responsible for?
Drains the maxiallary artery and superficial temporal arteries
A raised white line that runs parallel to where the teeth meet on the buccal mucosa
To lubricate the oral cavity and to moisten food
Assist in the movement and functioning of the tongue

43. Maxillary Artery
Corners of the mouth
Supplies the mylohyoid muscle and the anterior belly of the digastric muscle
Largest of the branches of the external carotid artery; supplies facial structure
Resists intrusive forces that try to push the tooth inwards

44. Cleft Uvula
A duct that empties into the mouth thru the parotid papilla - Parotid gland goes with Stensen's duct
Mildest form of cleft palate
6 months/3years
Molars

45. What is the purpose of saliva?
The portion of the tooth that meets the gingiva
Formed by the uniting of lobes during development of crown
Wings of the sphenoid bone
To lubricate the oral cavity and to moisten food

46. Interradical Fiber Group
More common in girls--the failure of the palatal shelves to fuse with the primary palate (1 in 2500 births)
Found only in multi-rooted teeth and resists rotational forces
Interdental ligament
Incremental line indicating trauma of birth

47. Maxillary Sinus
Tubules that pass through the entire surface of the dentin
Band of fibrous tissue which attaches muscle to bone
The development of different forms
Forms a large cavity above the roots of the maxillary molars

48. Lamina Propria
A projection that extends off the back of the soft palate
The connective tissue of the marginal gingiva
Supplies the gingival - maxillary sinus - cheeks - and maxillary molars with the exception of the mesial buccal root of the first molar
9 weeks thru birth

49. What teeth are removed if overcrowding occurs?
Linear elevation of the tooth
Forming organ takes shape and resembles the shape of a bell
Bicuspids
2 small raised folds of tissue where the lingual frenum attaches

50. Frenum
Portion of the lips that are red
Sharp projection on the under surface of the temporal bone
Middle line of the teeth
Raised lines of mucosal tissue found below the tongue - and below the top/ bottom of middle lip