Dental Anatomy Test

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Dental Anatomy Test

1 / 60

Initial of calcification របស់ Permanent mandibular third molar គឺៈ

a. 8-10 years

b. 6 – 7 Years

c. 2 1⁄4 – 2 1⁄2 years

d. 9-10 years

2 / 60

Length over all របស់ Permanent mandibular canine :

a. 27 mm

b. 26 mm

c. 26.5 mm

d. 27.5 mm

3 / 60

Eruption របស់ Permanent mandibular first premolar គឺៈ:

a. 7 years

b. 12 Years

c. 6-7 years

d. 10 – 12 Years

4 / 60

International FDI numbering system របស់ Permanent maxillary first premolar right គឺ :

a. 14

b. 5

c. 12

d. 24

5 / 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. Transverse ridge

b. Triangular ridge

c. Oblique ridge

d. Marginal ridge

6 / 60

Labio- or Bucco-lingual diameter at crest of curvature របស់ Permanent mandibular second premolar:

a. 9 mm

b. 8.5 mm

c. 8 mm

d. 9.5 mm

7 / 60

In the permanent dentition, the maxillary second premolar is the fifth tooth from :

a. The maxillary central incisor in each quadrant.

b. The midline in each upper quadrant.

c. The maxillary central incisor in each upper quadrant.

d. The midline in each lower quadrant.

8 / 60

Crown completion របស់ Permanent maxillary canine គឺ:

a. 4-5 years

b. 6-7 years

c. 7-8 years

d. 9-10 years

9 / 60

The most common cusp form of mandibular second premolar is:

a. Y type

b. H type

c. U type

d. U or H type

10 / 60

The maxillary first premolar មាន Root :

a. ចំនួនមួយដែលស្រដៀងគ្នានឹង Maxillary canine

b. ចំនួនពីរ: Mesial and distal

c. ចំនួនពីរ: Buccal and lingual

d. ចំនួនមួយដែលស្រដៀងគ្នានឹង Mandibular canine

11 / 60

Labiolingual diameter of crown របស់ Permanent maxillary lateral incisor:

a. 6.5 mm

b. 6 mm

c. 7 mm

d. 7.5 mm

12 / 60

Permanent mandibular incisors ជាទូទៅ:

a. មានស៊េរីឡើងពីតូចទៅធំគឺទី១ តូចជាងទី ២

b. មានស៊េរីចុះពីតូចទៅធំគឺទី១ តូចជាងទី ២

c. មានស៊េរីឡើងពីធំទៅតូចគឺទី១ ធំជាងទី ២

d. មានស៊េរីចុះពីធំទៅតូចគឺទី១ ធំជាងទី ២

13 / 60

Root length របស់ Permanent mandibular lateral incisor:

a. 14 mm

b. 13 mm

c. 13.5 mm

d. 14.5 mm

14 / 60

FDI numbering system របស់ Permanent maxillary third molar left គឺ :

a. 38

b. 28

c. 18

d. 16

15 / 60

Anatomical landmarks នៅលើ Occlual surface crown of Permanent maxillary first molar គេសង្កេតឃើញ:

a. Elevations and depression

b. Elevations, Cusps, Marginal ridge, Tubercle, Oblique ridge

c. Cusps, Marginal ridge, Tubercle, Groove

d. Depression, Developmental grooves, Supplemental groove, Fossa

16 / 60

American numbering system របស់ Permanent maxillary first premolar left គឺ ::

a. 12

b. 24

c. 14

d. 34

17 / 60

Permanent mandibular central and lateral incisor មាន:

a. លក្ខណៈ Anatomy ដូចគ្នានិងបំពេញមុខងារឲ្យគ្នាទៅវិញទៅមក

b. លក្ខណៈ Anatomy ខុសគ្នានិងបំពេញមុខងារឲ្យគ្នាទៅវិញទៅមក

c. លក្ខណៈ Anatomy ដូចគ្នានិងមិនបំពេញមុខងារឲ្យគ្នាទៅវិញទៅមកទេ

d. លក្ខណៈ Anatomy ខុសគ្នានិងមិនបំពេញមុខងារឲ្យគ្នាទៅវិញទៅមកទេ

18 / 60

In which direction does the palatal root of the upper first molar usually curve towards:

a. Facial / buccal/

b. Distal

c. Lingual

d. Mesial

19 / 60

Length over all របស់ Permanent maxillary central incisor:

a. 23.5 mm

b. 23 mm

c. 22 mm

d. 22.5 mm

20 / 60

បើមើលតាម Mesial surface នៃ Crown of Permanent maxillary first molar គេសង្កេតឃើញ Cervical outline:

a. Irregular and slightly convex toward the root

b. Irregular and convex occlusally

c. Irregular and slightly convex occlusally

d. Irregular and convex occlusally

21 / 60

Universal numbering system នៃMaxillary central incisor គឺ:

a. 41, 51

b. 21, 22

c. 8, 9

d. 11,21

22 / 60

Anatomical root of tooth is ?

a. Portion of root wich is not visible in mouth

b. Portion of root is covered with cementum

c. Portion of tooth wich is not visible in mouth

d. Portion of tooth wich is covered with cementum

23 / 60

នៅលើ Lingual surface of crown របស់Permanent maxillary canine គេសង្កេតឃើញមាន::

a. Cingulumមួយ Lingual ridgeមួយ Marginal ridges ពីរនិង lingual fossaeមួយ

b. Cingulumមួយ Lingual ridgeមួយ Marginal ridgesមួយនិង lingual fossaeពីរ

c. CingulumមួយLingualridge ពីរ Marginalridges ពីរនិង lingualfossaeពីរ

d. Cingulumមួយ Lingual ridgeមួយ Marginal ridges ពីរនិង lingual fossaeពីរ

24 / 60

Root completion របស់ Permanent mandibular second premolar គឺៈ

a. 12Years

b. 13-14 years

c. 10 – 12 Years

d. 12- 13 years

25 / 60

Mesiodistal diameter at cervical line របស់ Permanent maxillary first premolar:

a. 5 mm

b. 4.5 mm

c. 5.5 mm

d. 4 mm

26 / 60

Crown shape from occlusal surface of mandibular molars are :

a. Square / pentagonal

b. Rectangular/pentagonal

c. Square /parallelogram

d. Rectangular/ parallelogram

27 / 60

Crown completion របស់ Permanent mandibular second premolar គឺៈ:

a. 12 years

b. 6-7 years

c. 6 Years

d. 5 – 6 Years

28 / 60

Which of the following roots is the largest permanent maxillary first molar ?

a. Buccal root

b. Distobuccal root

c. Lingual root

d. Mesiobuccal root

29 / 60

Crown completion របស់ Permanent maxillary second molar គឺៈ

a. 3-4 years

b. 12 Years

c. 5-6 Years

d. 7-8 years

30 / 60

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

a. 6.5 mm

b. 5.5 mm

c. 5 mm

d. 6 mm

31 / 60

Root length របស់ Permanent mandibular central incisor:

a. 12.5 mm

b. 11.5 mm

c. 13.5 mm

d. 13 mm

32 / 60

Root length របស់ Permanent maxillary first premolar:

a. 14.5 mm

b. 14 mm

c. 15.5 mm

d. 15 mm

33 / 60

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

a. 47

b. 17

c. 27

d. 37

34 / 60

ខាងក្រោមនេះតើធ្មេញស្រុកណាមួយដែលជាSuccedaneous teeth មានឈ្មោះខុសពី ធ្មេញទឹកដោះដែលវាត្រូវជំនួស?:

a. Incisors

b. Premolars

c. Molars

d. Canines

35 / 60

Mesiodistal diameter at cervical line របស់ Permanent maxillary canine:

a. 5 mm

b. 4 mm

c. 5.5 mm

d. 4.5 mm

36 / 60

When viewed from buccal aspect the form of the maxillary first premolar is ?

a. Trapezoidal

b. Pentagonal

c. Rectangular

d. Rhomboidal

37 / 60

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

a. Mesiobuccal root

b. Distobu ccal root

c. Lingual root

d. Buccal root

38 / 60

FDI numbering system របស់ Permanent maxillary third molar right គឺ :

a. 16

b. 8

c. 28

d. 18

39 / 60

Universal numbering system របស់ Permanent maxillary canine left គឺ :

a. 6

b. 13

c. 43

d. 11

40 / 60

Universal numbering system របស់ Permanent maxillary lateral incisor left គឺ :

a. 10

b. 7

c. 12

d. 2

41 / 60

Which of the following is the last succedaneous tooth the erupt ?

a. Maxillary first premolar

b. Maxillary canine

c. Mandibular canine

d. Mandibular first premolar

42 / 60

Universal numbering system របស់ Permanent maxillary central incisor right គឺ :

a. 9

b. 1

c. 8

d. 11

43 / 60

Permanent maxillary central incisor :

a. មានឫសមួយរាងជាសាជីទ្រវែងត្រង់ និងមាន Apex ស្រួច

b. មានឫសមួយរាងជាពងក្រពើទ្រវែងត្រង់ និងមាន Apex ស្រួច

c. មានឫសមួយរាងជាត្រីកោណទ្រវែងត្រង់ និងមាន Apex ស្រួច

d. មានឫសមួយរាងជាសាជីទ្រវែងត្រង់ និងមាន Apex មូល

44 / 60

First evidence of calcification របស់ Permanent maxillary central incisor គឺៈ

a. 4-5 years

b. 10-11 years

c. 3-4 months

d. 2-3 months

45 / 60

Root completion របស់ Permanent maxillary canine គឺ:

a. 12-14 years

b. 11 years

c. 13-15 years

d. 11-12 years

46 / 60

FDI numbering system របស់ Permanent mandibular first molar left គឺ :

a. 26

b. 30

c. 19

d. 36

47 / 60

Root length របស់ Permanent maxillary lateral incisor :

a. 13 mm

b. 13.5 mm

c. 12 mm

d. 11.5 mm

48 / 60

Crown completion របស់ Permanent mandibular first premolar គឺៈ:

a. 3-4 years

b. 6 Years

c. 5 – 6 Years

d. 2-2.5 years

49 / 60

Pinkhame 1994 ចែក Dental arch នៃ primary teeth មាន:

a. 3 ប្រភេទ

b. 4 ប្រភេទ

c. 2 ប្រភេទ

d. 5 ប្រភេទ

50 / 60

តើ Upper Incisive central នៃ primary teeth ដុះនៅអាយុ?

a. 7 Months

b. 6 Months

c. 12 Months

d. 24 Months

51 / 60

តើ Upper Incisive lateral នៃ primary teeth មាន root ប៉ុន្មាន?

a. 2

b. 3

c. 4

d. 1

52 / 60

តើ Lower second molar នៃ primary teeth មាន root ប៉ុន្មាន?

a. 1

b. 4

c. 5

d. 2

53 / 60

ធ្មេញលេខ 52 នៃ primary teeth ជាធ្មេញ:

a. Upper right Incisive lateral

b. Lower right Incisive central

c. Lower right Incisive lateral

d. Upper right Incisive central

54 / 60

When Lateral Incisor Upper Teeth Eruption of the age?

a. 6 months

b. 7 months

c. 8 months

d. 9 months

55 / 60

តើ Upper Incisive central នៃ primary teeth មានប្រវែង?

a. 10 mm

b. 16 mm

c. 11 mm

d. 6 mm

56 / 60

Dental arch នៃ primary teeth មាន:

a. 2 ប្រភេទ

b. 5 ប្រភេទ

c. 3 ប្រភេទ

d. 4 ប្រភេទ

57 / 60

តើ Lower Incisive central នៃ primary teeth មានប្រវែង?

a. 12 mm

b. 14 mm

c. 16 mm

d. 17 mm

58 / 60

ធ្មេញលេខ 84 នៃ primary teeth ជាធ្មេញ:

a. Lower left first molar

b. Upper left first molar

c. Upper right first molar

d. Lower right first molar

59 / 60

ធ្មេញលេខ 55 នៃ primary teeth ជាធ្មេញ:

a. Lower right second molar

b. Upper right second molar

c. Upper left first molar

d. Lower left first molar

60 / 60

តើ Lower first molar នៃ primary teeth មាន root ប៉ុន្មាន?

a. 4

b. 3

c. 2

d. 1

Your score is

The average score is 66%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត