Dental Anatomy Test

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Dental Anatomy Test

1 / 60

Labiolingual diameter of cervix របស់ Permanent mandibular lateral incisor :

a. 5.8 mm

b. 4.5 mm

c. 5.5 mm

d. 5.3 mm

2 / 60

Eruption របស់ Permanent maxillary lateral incisor គឺៈ

a. 8-9 years

b. 10-12 years

c. 4-5 years

d. 11 years

3 / 60

Universal numbering system របស់ Permanent maxillary second molar left គឺ :

a. 17

b. 27

c. 2

d. 15

4 / 60

How many lobes are required for the development of mandibular first premolar?

a. 3 lobes

b. 5 lobes

c. 4 lobes

d. 6 lobes

5 / 60

ក្នុងមួយជីវិតមនុស្ស មានដំណុះធ្មេញ:

a. ពីរលើក

b. លើកទីពីរឬអចិន្ដ្រៃយ៏

c. លើកទីមួយឬទឹកដោះ

d. មួយលើក

6 / 60

មុខងារចម្បងរបស់ Permanent incisor ក្នុងអំឡុងពេលដំណើរការនៃការទំពារគឺ:

a. Punch and cut

b. Searing or cutting and punch

c. Tearing, holding, and grinding

d. Searing or cutting

7 / 60

នៅពេលជ្វើ Cervical cross section នៅលើ Maxillary central incisor, Pulp cavity មានរាង៖

a. មូល

b. ត្រីកោណ

c. ពងក្រពើ

d. មូលទ្រវែង

8 / 60

Universal numbering system របស់ Permanent mandibular second molar left គឺ :

a. 18

b. 30

c. 19

d. 36

9 / 60

Universal numbering system របស់ Permanent maxillary first molar left គឺ :

a. 14

b. 26

c. 16

d. 3

10 / 60

Initial of calcification របស់ Permanent second maxillary premolar គឺៈ:

a. 3-4 years

b. 1.5 – 1.75 years

c. 2-2.5 years

d. 1-2 years

11 / 60

Which of the following root is the largest in permanent maxillary molar?

a. Distobu ccal root

b. Lingual root

c. Mesiobuccal root

d. Buccal root

12 / 60

Tooth surface:

a. គ្រប់ធ្មេញទាំងអស់មាន 5 Surfaces

b. គ្រប់ធ្មេញទាំងអស់មាន 4 Surfaces និងOne edge

c. គ្រប់ធ្មេញទាំងអស់មាន 4 Surfaces និងOne edge

d. គ្រប់ធ្មេញទាំងអស់មាន 5 Surfaces និងOne edge

13 / 60

Universal numbering system របស់ Permanent maxillary second premolar left គឺ ::

a. 13

b. 25

c. 23

d. 4

14 / 60

The height of contour of the labial surface of permanent maxillary central incisor is located in:

a. The cervical

b. 2/3 of crown

c. Middle third incisal ridge

d. The cervical third

15 / 60

First evidence of calcification របស់ Permanent first maxillary premolar គឺៈ:

a. 3-4 years

b. 1.5 – 1.75 years

c. 1.5-2.75 years

d. 1-2 years

16 / 60

International FDI numbering system របស់ Permanent mandibular first molar left គឺ :

a. 26

b. 46

c. 36

d. 16

17 / 60

Universal system នៃMaxillary central incisor គឺ:

a. 11,21

b. 41, 51

c. 8,9

d. 21, 22

18 / 60

Universal numbering system របស់ Permanent mandibular first premolar right គឺ ::

a. 4

b. 21

c. 12

d. 28

19 / 60

International FDI numbering system របស់ Permanent mandibular canine left គឺ ::

a. 33

b. 23

c. 13

d. 43

20 / 60

International FDI numbering system របស់ Permanent mandibular central incisor right គឺ :

a. 31

b. 25

c. 22

d. 41

21 / 60

Labio- or Bucco-lingual diameter at cervical line របស់ Permanent maxillary second premolar:

a. 8.8 mm

b. 8.3 mm

c. 8 mm

d. 8.5 mm

22 / 60

FDI numbering system របស់ Permanent maxillary third molar right គឺ :

a. 16

b. 18

c. 8

d. 28

23 / 60

Universal numbering system របស់ Permanent mandibular third molar left គឺ :

a. 17

b. 28

c. 18

d. 32

24 / 60

Root completion របស់ Permanent maxillary second premolar គឺៈ

a. 12 – 13 years

b. 13-15 years

c. 12-14 years

d. 12 years

25 / 60

Anatomical crown of tooth is?

a. Portion of tooth wich is covered by enamel

b. Portion of tooth wich is visible in mouth

c. Portion crown of tooth wich is visible in mouth

d. Portion of tooth may or may not correspond to anatomical croun

26 / 60

At the age of nine years, the mandibular permanent first molar has its distal contact with which of the following teeth?

a. No distal contact

b. First premolar

c. Second deciduous

d. Second permanent molar

27 / 60

Mesiodistal diameter at cervical line របស់ Permanent mandibular canine:

a. 5 mm

b. 4.5 mm

c. 5.5 mm

d. 4 mm

28 / 60

The rounded eminences prominent in the newly erupted incisors on the incisal edges are called?

a. Tubercle

b. Lobe

c. Cusps

d. Mamelons

29 / 60

International FDI numbering system របស់ Permanent maxillary second premolar left គឺ :

a. 35

b. 13

c. 4

d. 25

30 / 60

Root completion របស់ Permanent maxillary central incisor គឺៈ

a. 10-11 years

b. 3-4 months

c. 4-5 years

d. 2-3 months

31 / 60

Root completion របស់ Permanent mandibular central incisor គឺៈ

a. 8-9 years

b. 7-8 years

c. 11 years

d. 10 years

32 / 60

Initial of calcification របស់ Permanent mandibular second molar គឺៈ

a. 2.5-3 years

b. 2 1⁄4 – 2 1⁄2 years

c. 6 – 7 Years

d. At birth

33 / 60

Cervico-incisal of crown length របស់ Permanent mandibular lateral incisor:

a. 10.5 mm

b. 9 mm

c. 9.5 mm

d. 10 mm

34 / 60

Crown completion របស់ Permanent maxillary first molar គឺៈ

a. 5-6 Years

b. 6Years

c. 7-8 years

d. 3-4 years

35 / 60

Root completion របស់ Permanent maxillary canine គឺ:

a. 11 years

b. 11-12 years

c. 12-14 years

d. 13-15 years

36 / 60

Crown length របស់ Permanent mandibular canine :

a. 11.5 mm

b. 10.5 mm

c. 9.5 mm

d. 11 mm

37 / 60

Universal numbering system របស់ Permanent mandibular third molar right គឺ :

a. 17

b. 18

c. 32

d. 38

38 / 60

Crown shape from occlusal of mandibular molar is ?

a. Square /parallelogram and B-L>M-D

b. Rectangular/pentagonal and M-D>B-L

c. Rhomboidal/parallelogram and B-L>M-D

d. Rectangular/ parallelogram and M-D>B-L

39 / 60

Mesiodistal diameter at cervical line របស់ Permanent mandibular first premolar :

a. 4.5 mm

b. 4.3 mm

c. 5.3 mm

d. 5 mm

40 / 60

Permanent mandibular incisors ជាទូទៅ:

a. មានស៊េរីឡើងពីធំទៅតូចគឺទី១ ធំជាងទី ២

b. មានស៊េរីចុះពីធំទៅតូចគឺទី១ ធំជាងទី ២

c. មានស៊េរីឡើងពីតូចទៅធំគឺទី១ តូចជាងទី ២

d. មានស៊េរីចុះពីតូចទៅធំគឺទី១ តូចជាងទី ២

41 / 60

Eruption របស់ Permanent mandibular first molar គឺៈ

a. 6-7 years

b. At birth

c. 6 years

d. 5 – 6 Years

42 / 60

Universal numbering system របស់ Permanent mandibular canine left គឺ ::

a. 27

b. 13

c. 22

d. 43

43 / 60

The union of the triangular ridge of the distobuccal cusp and the distal ridge of the mesiolingual cusp of maxillary molar forms the:

a. Oblique ridge

b. Transverse ridge

c. Triangular ridge

d. Marginal ridge

44 / 60

Mesiodistal diameter of crown at contact area របស់ Permanent mandibular lateral incisor:

a. 4.5 mm

b. 6 mm

c. 5.5 mm

d. 6.5 mm

45 / 60

Mesiodistal diameter of crown at contact area របស់ Permanent maxillary canine:

a. 6.5 mm

b. 7 mm

c. 7.5 mm

d. 6 mm

46 / 60

តើ Upper Incisive central នៃ primary teeth មានប្រវែងតួធ្មេញប៉ុន្មាន?

a. 8 mm

b. 6 mm

c. 10 mm

d. 7 mm

47 / 60

What is the age that primary teeth Second Molar Rhyzalys?

a. 9 years

b. 10 years

c. 11 years

d. 12 years

48 / 60

តើ Dental arch នៃ Dents temporaines មានប៉ុន្មាន?

a. 4

b. 5

c. 3

d. 2

49 / 60

What is the age that primary teeth First Molar Rhyzalys?

a. 8 years

b. 7 years

c. 10 years

d. 9 years

50 / 60

តើ Lower primary second molar មើលពី Vestibular surface មាន Cusp ប៉ុន្មាន ?

a. 4

b. 2

c. 3

d. 5

51 / 60

តើ Lower Incisive central នៃ primary teeth មានប្រវែងរឹសធ្មេញប៉ុន្មាន?

a. 9 mm

b. 7 mm

c. 8 mm

d. 6 mm

52 / 60

តើ Lower primary second molar មើលពី mesial surface ប៉ោងពី ?

a. Mesial surface

b. Occlusal surface

c. Cervical line

d. Distal surface

53 / 60

ធ្មេញលេខ 61 នៃ primary teeth ជាធ្មេញ:

a. Upper left Incisive lateral

b. Lower left Incisive lateral

c. Lower left Incisive central

d. Upper left Incisive central

54 / 60

តើ Lower second molar នៃ primary teeth មាន root ប៉ុន្មាន?

a. 1

b. 4

c. 2

d. 5

55 / 60

ធ្មេញលេខ 83 នៃ primary teeth ជាធ្មេញ:

a. Lower left Incisive central

b. Lower right Canine

c. Upper right Canine

d. Lower left Incisive lateral

56 / 60

តើ Dents temporaines មានចំននួប៉ុន្មាន ?

a. 20

b. 10

c. 28

d. 32

57 / 60

តើ Lower primary canine មានប្រវែងតួធ្មេញប៉ុន្មាន ?

a. 6 mm

b. 4 mm

c. 7 mm

d. 5 mm

58 / 60

តើ Upper Incisive lateral នៃ primary teeth មាន root ប៉ុន្មាន?

a. 2

b. 3

c. 4

d. 1

59 / 60

ធ្មេញលេខ 84 នៃ primary teeth ជាធ្មេញ:

a. Upper left first molar

b. Upper right first molar

c. Lower right first molar

d. Lower left first molar

60 / 60

តើ Lower Canine នៃ primary teeth មាន root ប៉ុន្មាន?

a. 4

b. 1

c. 2

d. 3

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត