Dt V1:c4 Oral Anatomy

Front 1

1. How many phases does each tooth go through?

Back 1

Three phases

Front 2

2. When does dental development usually begin?

Back 2

5th OR 6TH WEEK OF PRENATAL LIFE

Front 3

3. How many tooth buds are present in each dental arch?

Back 3

10

Front 4

4. What is the last period of teeth growth?

Back 4

HISTODIFFERENTIATION

Front 5

5. What is the process by which organic tissue becomes hardened by a deposit of calcium or any mineral salts?

Back 5

CALCIFICATION

Front 6

6. What is the study of anatomy that deals with the minute structure composition, and functions of tissue?

Back 6

ORAL HISTOLOGY

Front 7

7. How many parts are a tooth divided into and what are they?

Back 7

2- THE CROWN AND ONE OR MORE ROOTS.

Front 8

8. What term is applied to the part of the crown that is visible in the mouth?

Back 8

CLINICAL CROWN

Front 9

9. On the apex of each root, there is a small opening that allows for the passage of blood vessels and nerves into the tooth, what is this called?

Back 9

APICAL FORAMEN

Front 10

10. What is translucent and can vary from yellowish to grayish white?

Back 10

ENAMEL

Front 11

11. It’s the hardest tissue in the human body and consists of _____% inorganic minerals ____% organic minerals, and ____% water.

Back 11

The Enamel: 96%, 1% and 3%

Front 12

12. What is harder then bone but softer than enamel?

Back 12

DENTIN

Front 13

13. What is composed of approximately 55% organic material and 45% inorganic material?

Back 13

CEMENTUM

Front 14

14. What pulp is within the crown?

Back 14

CORONAL PULP

Front 15

15. What provides sensation to the tooth?

Back 15

DENTAL PULP

Front 16

16. What is the bony portion of the maxilla and mandible where the teeth are embedded and by which tooth roots are supported ?

Back 16

ALVEOLAR PROCESS

Front 17

17. What is the highest point of the alveolar ridge?

Back 17

ALVEOLAR CREST

Front 18

18. When viewed on X-Ray it has a web-like appearance?

Back 18

TRABECULAR BONE

Front 19

19. What connects the tooth to bony socket?

Back 19

PERIODONTAL LIGAMENT

Front 20

20. Where is the hard palate located?

Back 20

ROOF OF THE MOUTH

Front 21

21. What is the color of healthy gingiva?

Back 21

CAN RANGE FROM PALE PINK TO DARKER SHADES (PURPLE TO BLACK)

Front 22

22. What also can be called free gingiva?

Back 22

UNATTACHED GINGIVA

Front 23

23. What helps prevent food from packing between teeth?

Back 23

INTERDENTAL PAPILLA

Front 24

24. What teeth are designed for cutting and tearing?

Back 24

CUSPIDS

Front 25

25. What teeth are also referred to as premolars?

Back 25

BICUSPIDS

Front 26

26. How many dental quadrants are in the mouth?

Back 26

FOUR

Front 27

27. How many baby teeth are there?

Back 27

20

Front 28

28. How many permanent teeth are there?

Back 28

32

Front 29

29. What tooth number is left mandibular cuspid?

Back 29

22

Front 30

30. How are primary teeth identified?

Back 30

A to T

Front 31

31. What is the proximal surface closest to the midline to the arch?

Back 31

MESIAL

Front 32

32. If there is no contact point between the teeth, what is area between teeth called?

Back 32

DIASTEMA

Front 33

33. What is the anteroposterior called?

Back 33

CURVE OF SPEE

Front 34

34. What is the lateral curve called?

Back 34

CURVE OF WILSON

Front 35

35. What angle classification is excessive in chin length?

Back 35

CLASS III

Front 36

36. What does the permanent dentition consists of?

Back 36

32 TEETH

Front 37

37. Which tooth has five cusps and what is the fifth cusp called?

Back 37

MANDIBULAR FIRST MOLAR/DISTAL CUSP

Front 38

38. When do maxillary first molar usually erupt?

Back 38

6 YEARS OLD

Front 39

39. What is found on the lingual aspect of an anterior tooth?

Back 39

CINGULUM

Front 40

40. What is usually found at the end of a developmental groove or a place where two fissures intersect?

Back 40

PIT

Front 41

41. What is a small linear depression on the surface of a tooth?

Back 41

GROOVE

Front 42

42. All teeth develop how many lobes?

Back 42

4 OR 5

Front 43

43. What is a linear elevation found on the surface of a tooth?

Back 43

RIDGE

Front 44

44. What is the only tooth found on an oblique ridge?

Back 44

MAXILLARY MOLAR

Front 45

45. What is elongated valley?

Back 45

SULCUS

Front 46

1 . How many dental quadrants are in the mouth?

a. One
b. Two
c. Three
d. Four

Back 46

d. Four

Front 47

2 . When viewed by a radiograph, trabeculae bone will have what type of an appearance?

a. Spongy-type
b. Wavy-like
c. Plate-like
d. Web-like

Back 47

d. Web-like

Front 48

3 . The oral mucosa consists of how many total types of mucosa?

a. One
b. Two
c. Three
d. Four

Back 48

c. Three, masticatory mucosa, lining mucosa, and
specialized mucosa

Front 49

4 . Cuspids are designed to perform what type of function?

a. Cutting and tearing
b. Cutting and grinding
c. Crushing and holding
d. Grinding and chewing

Back 49

a. Cutting and tearing

Front 50

5 . What is the chief function of the pulp?

a. Provides feeling to the tooth
b. Formation of cementum
c. Formation of dentin
d. Formation of enamel

Back 50

c. Formation of dentin

Front 51

6 . Primary teeth are identified by which letters of the alphabet?

a. A to W
b. A to V
c. A to U
d. A to T

Back 51

d. A to T

Front 52

7 . Which of the following reason is/are teeth formed?

a. Cutting
b. Tearing
c. Grinding
d. All of the above

Back 52

d. All of the above

Front 53

8 . What is the term used to describe the appearance of a mandibular first bicuspid?

a. Bell-ringer
b. Bell-crowned
c. Bell-cusp
d. Bell-shaped

Back 53

b. Bell-crowned

Front 54

9 . How many total tooth buds are present in a prenatal maxillary and mandibular arch?

a. 32
b. 20
c. 15
d. 10

Back 54

b. 20

Front 55

10 . The tip of each root is known by which of the following terms?

a. End
b. Arch
c. Angle
d. Apex

Back 55

d. Apex

Front 56

11 . How many primary teeth are there in a normal decidous mouth?

a. 32
b. 20
c. 16
d. 12

Back 56

b. 20

Front 57

12 . What is the name of the dental anatomy that has small, rounded projections of enamel from the incisal edges of newly erupted anterior teeth?

a. Oblique ridge
b. Cusp ridge
c. Groove
d. Mamelons

Back 57

d. Mamelons

Front 58

13 . What is the name of the region where the roots separate?

a. Apex
b. Furcation
c. Bifurcated
d. Trifurcated

Back 58

b. Furcation

Front 59

14 . What is the name of the system that is used by the armed forces to identify teeth?

a. Universal location
b. Universal positioning
c. Universal numbering
d. Universal selection

Back 59

c. Universal numbering

Front 60

15 . When primary teeth get ready to fall out and make way for the eruption of permanent teeth, what is the name of the process?

a. Exposure
b. Histology
c. Infoliation
d. Exfoliation

Back 60

d. Exfoliation

Front 61

16 . What dental anatomy has a rounded or angular depression of varying sizes found on the surface of a tooth?

a. Groove
b. Fossa
c. Cusp
d. Pit

Back 61

b. Fossa

Front 62

17 . What type of shape does the lingual surface of an incisor have?

a. Axe
b. Rake
c. Shovel
d. Angled

Back 62

c. Shovel

Front 63

18 . How many years does it take permanent teeth to emerge after the crown completion?

a. One
b. Two
c. Three
d. Four

Back 63

c. Three

Front 64

19 . Enamel is formed by what type of ephitelial cells?

a. Cementoblast
b. Enameloblast
c. Odontoblast
d. Ameloblast

Back 64

d. Ameloblast

Front 65

20 . When teeth are in the odontogenesis phase, every tooth goes through how many developmental processes?

a. One
b. Two
c. Three
d. Four

Back 65

c. Three

Front 66

21 . The mesial surface of a tooth is located in which area?

a. Closest to the middle of the arch
b. Toward the cheeks
c. Toward the tongue
d. Away from the midline of the arch

Back 66

a. Closest to the middle of the arch

Front 67

22 . The anteroposterior curve is referred to by what term?

a. Curve of Koffax
b. Curve of Wilson
c. Curve of Splee
d. Curve of Spee

Back 67

d. Curve of Spee

Front 68

23 . What type of tissue is found on the inside of the lips, cheeks, vestibule, soft palate, and under the tongue?

a. Lining mucosa
b. Inter mucosa
c. Soft mucosa
d. Gingiva

Back 68

a. Lining mucosa

Front 69

24 . What area is the first to show symptoms of gingivitis?

a. Interdental papilla
b. Muco-gingival junction
c. Ephitelial attachment
d. Gingival margin

Back 69

d. Gingival margin

Front 70

25 . If a patient^s profile is characterized as normal, he/she will be what class according to Dr. Angle?

a. I
b. II
c. III
d. IV

Back 70

a. I

Front 71

26 . The distal surface of a tooth is located in which area.

a. Closes to the midline of the arch
b. Toward the cheeks
c. Toward the tongue
d. Away from the midline of the arch

Back 71

d. Away from the midline of the arch

Front 72

27 . What is the name of the junction where the cementum joins the enamel?

a. Cementoenamel junction
b. Dentinoenamal
c. Petticoat
d. Enamel

Back 72

a. Cementoenamel junction

Front 73

28 . What is the name of the term that is given to the portion of gingiva that extends from the gingival crest to the crest of the bone?

a. Gingival margin
b. Unattached gingiva
c. Attached gingiva
d. Gingival sulcus

Back 73

b. Unattached gingiva

Front 74

29 . When there is a slight indentation that encircles the tooth and marks the junction of the crown with the root, it is known by which of the following terms?

a. Bifurcation
b. Cervical line
c. Californication
d. Junction line

Back 74

b. Cervical line

Front 75

30 . The interproximal space is occupied by what type of anatomy?

a. Embrasure
b. Interdental klingons
c. Interdental papilla
d. Interdental varsity

Back 75

c. Interdental papilla

Front 76

31 . What area helps prevent food from packing between the teeth?

a. Interdental papilla
b. Muco-gingival junction
c. Epithelial attachment
d. Gingival margin

Back 76

a. Interdental papilla

Front 77

32 . What tooth will have a fifth cusp on it?

a. Maxillary first molar
b. Maxillary second molar
c. Mandibular first molar
d. Mandibular second molar

Back 77

c. Mandibular first molar

Front 78

33 . What is the name of the last period of tooth growth?

a. Histodifferentation
b. Morphodifferentation only
c. Eruptodifferentation only
d. Both b and c above

Back 78

a. Histodifferentation

Front 79

34 . What is the name of the process where the bony portion of the maxilla and mandible teeth are embedded?

a. Alveolar
b. Alveolus
c. Socket
d. Root

Back 79

a. Alveolar

Front 80

35 . Each molar has what maximum amount of cusps?

a. Six
b. Five
c. Four
d. Three

Back 80

b. Five

Front 81

36 . How many phases is deglutition divided into?

a. One
b. Two
c. Three
d. Four

Back 81

c. Three

Front 82

37 . What are the first permanent teeth to erupt?

a. Maxillary lateral incisors
b. Maxillary central incisors
c. Mandibular lateral incisors
d. Mandibular central incisors

Back 82

d. Mandibular central incisors

Front 83

38 . The mesial margin of a maxillary central incisor meets the incisal edge at almost what degree angle?

a. 30
b. 90
c. 110
d. 180

Back 83

b. 90

Front 84

39 . Dental development usually begins in which of the following weeks of prenatal life?

a. Fourth
b. Fifth only
c. Sixth only
d. Either b and c

Back 84

d. Either b and c

Front 85

40 . A tooth has how many total proximal surfaces?

a. One
b. Two
c. Three
d. Four

Back 85

b. Two

Front 86

41 . The hard palate is covered with what type of mucosa?

a. Masticatory
b. Specialized
c. Lining
d. Rugae

Back 86

a. Masticatory

Front 87

42 . A tooth is suspended in its socket by what ligament?

a. Lamina dura
b. Masticatory
c. Periodontal
d. Alveolar

Back 87

c. Periodontal

Front 88

43 . The part of the crown that is visible in the mouth is known by which of the following terms?

a. Clinical crown
b. Clinical tooth
c. Clinical enamel
d. Clinical exposure

Back 88

a. Clinical crown