Dental Anatomy Test – testnisset.com

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Dental Anatomy Test

1 / 60

តើ Lower primary second molar មើលពី Lingual surface មាន root ប៉ុន្មាន?

a. 3

b. 5

c. 4

d. 2

2 / 60

តើ Upper Incisive central នៃ primary teeth ដុះនៅអាយុ?

a. 6 Months

b. 7 Months

c. 12 Months

d. 24 Months

3 / 60

ធ្មេញលេខ 83 នៃ primary teeth ជាធ្មេញ:

a. Lower right Canine

b. Lower left Incisive central

c. Upper right Canine

d. Lower left Incisive lateral

4 / 60

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

a. 4

b. 5

c. 3

d. 2

5 / 60

តើ Couronne នៃ Dents temporaines មានលក្ខណៈដូចម្ដេច ?

a. ទាលតាមទិស Mesio-distal

b. ទ្រវែងតាមទិស Mesio-distal

c. សំប៉ែតតាមទិស Mesio-distal

d. កោងខ្លាំងតាមទិស Mesio-distal

6 / 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

7 / 60

ធ្មេញលេខ 81 នៃ primary teeth ជាធ្មេញ:

a. Lower right Incisive central

b. Upper right Incisive lateral

c. Upper right Incisive central

d. Lower right Incisive lateral

8 / 60

តើ Upper primary canine មាន Central lobe អូសបន្លាយទៅដល់ចុង ?

a. Occlusal surface

b. Distal surface

c. Lingual surface

d. Cusp

9 / 60

ធ្មេញលេខ 65 នៃ primary teeth ជាធ្មេញ:

a. Upper right second molar

b. Lower right second molar

c. Upper left second molar

d. Lower left second molar

10 / 60

តើ Lower Incisive lateral នៃ primary teeth មានប្រវែង?

a. 15 mm

b. 15.5 mm

c. 16 mm

d. 17 mm

11 / 60

ធ្មេញលេខ 51 នៃ primary teeth ជាធ្មេញ:

a. Upper right Incisive lateral

b. Upper right Incisive central

c. Lower right Incisive central

d. Lower right Incisive lateral

12 / 60

តើ Lower Incisive Central នៃ primary teeth មាន root ប៉ុន្មាន?

a. 1

b. 3

c. 4

d. 2

13 / 60

Dental arch នៃ primary teeth មាន:

a. 2 ប្រភេទ

b. 5 ប្រភេទ

c. 3 ប្រភេទ

d. 4 ប្រភេទ

14 / 60

Eruption របស់ Permanent mandibular second premolar គឺៈ:

a. 11 – 12 Years

b. 12 Years

c. 6-7 years

d. 7 years

15 / 60

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

a. 5

b. 24

c. 12

d. 14

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Length over all របស់ Permanent maxillary central incisor:

a. 23.5 mm

b. 23 mm

c. 22.5 mm

d. 22 mm

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Cervico-occlusal Length of Crown របស់ Permanent maxillary second premolar:

a. 8.2 mm

b. 8.8 mm

c. 8.5 mm

d. 8.3 mm

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International FDI numbering system របស់ Permanent mandibular lateral incisor left គឺ :

a. 23

b. 32

c. 22

d. 42

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Mesiodistal diameter at cervical line របស់ Permanent mandibular first premolar :

a. 5 mm

b. 4.5 mm

c. 5.3 mm

d. 4.3 mm

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First evidence of calcification របស់ Permanent maxillary central incisor គឺៈ

a. 3-4 months

b. 2-3 months

c. 4-5 years

d. 10-11 years

21 / 60

Anatomical root of tooth is ?

a. Portion of tooth wich is not visible in mouth

b. Portion of root wich is not visible in mouth

c. Portion of tooth wich is covered with cementum

d. Portion of root is covered with cementum

22 / 60

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

a. 23

b. 33

c. 13

d. 43

23 / 60

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

a. 12

b. 14

c. 5

d. 24

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Select the letter of the permanent incisor that normally exhibit: this tooth is the most symmetrical incisor?

a. Maxillary lateral incisor

b. Maxillary central incisor

c. Mandibular lateral incisor

d. Mandibular central incisor

25 / 60

Root length របស់ Permanent mandibular second premolar:

a. 14.3 mm

b. 13.5 mm

c. 14.5 mm

d. 14 mm

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Length over all របស់ Permanent mandibular second premolar:

a. 22.5 mm

b. 22 mm

c. 23.5 mm

d. 23 mm

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Eruption របស់ Permanent maxillary first premolar គឺៈ:

a. 10 – 11 years

b. 12 – 13 years

c. 9 – 10 years

d. 11 -12 years

28 / 60

Where are the mandibular teeth located?

a. Posterior

b. Upper jaw

c. Lower jaw

d. Anterior

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

a. 5

b. 24

c. 14

d. 12

30 / 60

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

a. 31

b. 24

c. 22

d. 41

31 / 60

Which of the following sequence of eruption of permanent teeth is normally seen in the maxilla ?:

a. 6, 1, 2, 4, 3, 5, 7, 8

b. 6, 1, 2, 3, 4, 5, 7, 8

c. 1, 6, 2, 3, 4, 5, 7, 8

d. 1, 6, 2, 4, 3, 5, 7, 8

32 / 60

Mesiodistal diameter of crown at contact area របស់ Permanent mandibular second premolar:

a. 7.2 mm

b. 6.5 mm

c. 6.2 mm

d. 7 mm

33 / 60

Labiolingual diameter at cervical line របស់ Permanent maxillary canine:

a. 6.5 mm

b. 7.5 mm

c. 7.3 mm

d. 7 mm

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Crown completion របស់ Permanent mandibular central incisor គឺៈ

a. 6-8 years

b. 10 years

c. 4-5 years

d. 3-4 years

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Root completion របស់ Permanent mandibular first molar គឺៈ

a. 6Years

b. 9- 10 years

c. 10 – 11 Years

d. 5-6 years

36 / 60

FDI numbering system របស់ Permanent maxillary third molar left គឺ :

a. 16

b. 38

c. 18

d. 28

37 / 60

The first evidence of calcification of permanent maxillary lateral incisor appears at the age of :

a. 6 month after birth

b. 1 year after birth

c. 10-12 month intrauterine life

d. 2 years after birth

38 / 60

The identifying number of permanent mandibular left second molar in the FDI numbering is:

a. 17

b. 18

c. 2

d. 37

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Labiolingual diameter of crown របស់ Permanent mandibular lateral incisor :

a. 7.5 mm

b. 7 mm

c. 6.5 mm

d. 6 mm

40 / 60

Mesiodistal diameter of crown របស់ Permanent maxillary first molar:

a. 11.5 mm

b. 11 mm

c. 10.5 mm

d. 10 mm

41 / 60

Cervico-occlusal Length of Crown របស់ Permanent mandibular second premolar :

a. 8 mm

b. 8.5 mm

c. 8.2 mm

d. 8.3 mm

42 / 60

Eruption របស់ Permanent maxillary lateral incisor គឺៈ

a. 8-9 years

b. 10-12 years

c. 11 years

d. 4-5 years

43 / 60

Sometimes tubercule of Carabelli is found in permanent maxillary first molar. What is the position of the tubercule of Carabelli ?

a. Lingual to distolingual cusp

b. Buccal to mesiolingual cusp

c. Lingual to mesiolingual cusp

d. Buccal to distolingual cusp

44 / 60

Labio- or Bucco-lingual diameter at cervical line របស់ Permanent mandibular first premolar:

a. 8.5 mm

b. 8.8 mm

c. 8.3 mm

d. 8 mm

45 / 60

The mandibular first premolar is :

a. Smaller in general size than the second mandibular premolar

b. Smaller in general size than the second maxillary premolar

c. Bigger in general size than the second maxillary premolar

d. Bigger in general size than the second mandibular premolar

46 / 60

Eruption របស់ Permanent mandibular first premolar គឺៈ:

a. 10 – 12 Years

b. 6-7 years

c. 7 years

d. 12 Years

47 / 60

Line angle ត្រូវបានបង្កើតឡើងដោយ:

a. Point angle មួយ ប្រសព្វគ្នា Surfaces ពីរ

b. Surfaces មួយប្រសព្វគ្នា នឹង Point angle មួយ

c. Surfaces បីប្រសព្វគ្នា

d. Surfaces ពីរប្រសព្វគ្នា

48 / 60

Which of the following is the most poorly developed cusp in maxillary second molar ?

a. Mesiobuccal

b. Distolingual

c. Mesiolingual

d. Distobuccal

49 / 60

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

a. 2/3 of crown

b. Near junction of incisal and middle third

c. The cervical third

d. Middle third incisal ridge

50 / 60

First evidence of calcification របស់ Permanent maxillary canine គឺៈ

a. 5-6 months

b. 4-5 months

c. 2-3 months

d. 3-4 months

51 / 60

Length over all របស់ Permanent maxillary canine :

a. 26 mm

b. 26.5 mm

c. 27.5 mm

d. 27 mm

52 / 60

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

a. 13

b. 25

c. 15

d. 4

53 / 60

Crown completion របស់ Permanent mandibular second premolar គឺៈ:

a. 6 Years

b. 6-7 years

c. 5 – 6 Years

d. 12 years

54 / 60

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

a. 8.3 mm

b. 7 mm

c. 8 mm

d. 7.3 mm

55 / 60

Anatomical crown of tooth is?

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

b. Portion of tooth wich is covered by enamel

c. Portion of tooth wich is visible in mouth

d. Portion crown of tooth wich is visible in mouth

56 / 60

Length over all របស់ Permanent maxillary lateral incisor :

a. 22.5 mm

b. 23 mm

c. 22 mm

d. 21.5 mm

57 / 60

Length over all របស់ Permanent maxillary first premolar:

a. 23.3 mm

b. 22.5 mm

c. 23.2 mm

d. 22.2 mm

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Initial of calcification របស់ Permanent maxillary second molar គឺៈ

a. 3 – 3 1⁄2 years

b. 3 years

c. 2-2.5 years

d. At birth

59 / 60

International FDI numbering system របស់ Permanent mandibular third molar right គឺ :

a. 48

b. 38

c. 28

d. 18

60 / 60

From the occlusal aspect of permanent mandibular second premolar គេសង្កេតឃើញមាន:

a. 2-cusp type appears square and the 1-cusp type appears ovoid.

b. 3-cusp type appears square and the 2-cusp type appears rounded

c. 3-cusp type appears pentagon and the 2-cusp type appears rounded.

d. 3-cusp type appears parallelogram and the 2-cusp type appears rounded.

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