Dental Chan Borey
15. The mineralization of the crown of permanent maxillary central incisor is completed at the age of?
σ� 4-5 years
σ� 2-3 years
σ� 1-2 years
σ� 7-8 years
26. When we observe from buccal aspect, in permanent mandibular first molar, the point of furcation of the two roots is located approximately?
σ� 3mm below the cervical line
σ� 4mm below the cervical line
σ� 5mm below the cervical line
σ� 2mm below the cervical line
29. When we see from the buccal aspect in the permanent maxillary first molar, the point of furcation of the two buccal roots is located approximately?
σ� 3mm below the cervical line
σ� 4mm below the cervical line
σ� 5mm below the cervical line
σ� 2mm below the cervical line
52. In permanent maxillary central incisor, root completion takes place after birth at the age of:
7 years
8 years
10 years
13 years
53. The first evidence of calcification of permanent maxillary lateral incisor appears at the age of :
σ� 10-12 month intrauterine life
σ� 1 year after birth
σ� 2 year after birth
σ� 6 month after birth
54. How many lobes are required for the development of mandibular second premolar?
3 lobes
4 lobes
5 lobes
6 lobes
55. How many lobes are required for the development of mandibular first premolar?
3 lobes
4 lobes
5 lobes
6 lobes
First evidence of calcification របស់ Permanent maxillary central incisor គឺៈ
3-4 months
2-3 months
4-5 years
σ� 10-11 years
100. Root completion របស់ Permanent maxillary central incisor គឺៈ
3-4 months
2-3 months
4-5 years
σ� 10-11 years
Crown completion របស់ Permanent maxillary central incisor គឺៈ
3-4 months
2-3 months
4-5 years
σ� 10-11 years
Eruption របស់ Permanent maxillary central incisor គឺៈ
7-8 years
2-3 months
4-5 years
σ� 10-11 years
First evidence of calcification របស់ Permanent maxillary lateral incisor គឺៈ
4-5 years
8-9 years
2-3 months
10-12 months
Root completion របស់ Permanent maxillary lateral incisor គឺៈ
4-5 years
11 years
8-9 years
10-11 years
Eruption របស់ Permanent maxillary lateral incisor គឺៈ
4-5 years
11 years
8-9 years
10-11 years
Enamel completed របស់ Permanent maxillary lateral incisor គឺៈ
4-5 years
11 years
8-9 years
10-11 years
Root completion របស់ Permanent mandibular central incisor គឺៈ
8-9 years
7-8 years
10 years
11 years
Eruption របស់ Permanent mandibular central incisor គឺៈ
8-9 years
7-8 years
10 years
6-8 years
Crown completion របស់ Permanent mandibular central incisor គឺៈ
3-4 years
6-8 years
4-5 years
σ� 10 years
First evidence of calcification របស់ Permanent maxillary canine គឺៈ
3-4 months
2-3 months
4-5 months
5-6 months
Root completion របស់ Permanent maxillary canine គឺៈ
12-14 years
11 years
11-12 years
σ� 13-15 years
Eruption របស់ Permanent maxillary canine គឺៈ
7-8 years
σ� 9-10 years
11-12 years
12-13 years
Crown completion របស់ Permanent maxillary canine គឺៈ
7-8 years
σ� 9-10 years
4-5 years
6-7 years
First evidence of calcification របស់ Permanent mandibular canine គឺៈ
1-2 years
2-3 months
5-6 months
4-5 months
Root completion របស់ Permanent mandibular canine គឺៈ
σ� 12 - 14 years
σ� 11 years
11-12 years
σ� 13-15 years
Eruption របស់ Permanent mandibular canine គឺៈ
7-8 years
σ� 9-10 years
10-11 years
6-7 years
Crown completion របស់ Permanent mandibular canine គឺៈ
7-8 years
σ� 9-10 years
5-6 years
6-7 years
First evidence of calcification របស់ Permanent first maxillary premolar គឺៈ
1-2 years
3-4 years
1.5 - 1.75 years
1.5-2.75 years
Root completion របស់ Permanent maxillary first premolar គឺៈ
σ� 12 - 13 years
σ� 12 years
11-12 years
σ� 13-15 years
Eruption របស់ Permanent maxillary first premolar គឺៈ
7-8 years
σ� 9-10 years
10-11 years
12-13 years
Enamel completion របស់ Permanent maxillary first premolar គឺៈ
σ� 4 -5 years
σ� 5 - 6 years
σ� 11 - 12 years
σ� 10 - 11 years
Which of the following sequence of eruption of permanent teeth is normally seen in the maxilla ?
σ� 1, 6, 2, 4, 3, 5, 7, 8
σ� 1, 6, 2, 3, 4, 5, 7, 8
σ� 6, 1, 2, 3, 4, 5, 7, 8
σ� 6, 1, 2, 4, 3, 5, 7, 8
Initial of calcification របស់ Permanent second maxillary premolar គឺៈ
A. 1-2 years
B. 3-4 years
C. 1.5 - 1.75 years
D. 2-2.5 years
Root completion របស់ Permanent maxillary second premolar គឺៈ
σ� 12 - 13 years
σ� 12 years
σ� 12-14 years
σ� 13-15 years
Eruption របស់ Permanent maxillary second premolar គឺៈ
σ� 11 -12 years
σ� 10-12 years
σ� 12 - 13 years
σ� 10 - 11 years
Completion of crown របស់ Permanent maxillary second premolar គឺៈ
σ� 6-7 years
σ� 5 - 6 years
σ� 11 - 12 years
σ� 10 - 11 years
Initial of calcification របស់ Permanent mandibular first premolar គឺៈ
A. 1 ¾ - 2 Years
B. 3-4 years
C. 1.5 - 1.75 years
D. 2-2.5 years
Crown completion របស់ Permanent mandibular first premolar គឺៈ
A. 6 Years
B. 3-4 years
C. 5 – 6 Years
D. 2-2.5 years
Eruption របស់ Permanent mandibular first premolar គឺៈ
12 Years
6-7 years
10 - 12 Years
7 years
194. Root completion របស់ Permanent mandibular first premolar គឺៈ
σ� 12 Years
σ� 13 Years
σ� 10 - 12 Years
σ� 12- 13 years
202. Initial of calcification របស់ Permanent mandibular second premolar គឺៈ
1 ¾ - 2 Years
2-2.5 years
1.5 - 1.75 years
2 ¼ - 2 ½ years
Crown completion របស់ Permanent mandibular second premolar គឺៈ
6 Years
6-7 years
5 – 6 Years
12 years
Eruption របស់ Permanent mandibular second premolar គឺៈ
12 Years
6-7 years
11 - 12 Years
7 years
205. Root completion របស់ Permanent mandibular second premolar គឺៈ
σ� 12 Years
σ� 13-14 years
σ� 10 - 12 Years
σ� 12- 13 years
The combined mesiodistal width of the three mandibular molars on one side make up :
σ� 51% of the mesiodistal dimension of their quadrant
σ� 51% of the mesiodistal dimension of mandibular quadrant
σ� 51% of the mesiodistal dimension of their arch
σ� 51% of the mesiodistal dimension of their mandibular arch
Initial of calcification របស់ Permanent maxillary first molar គឺៈ
3 - 4 Years
2-2.5 years
At birth
2 ¼ - 2 ½ years
Crown completion របស់ Permanent maxillary first molar គឺៈ
6 Years
3-4 years
5-6 Years
7-8 years
Eruption របស់ Permanent maxillary first molar គឺៈ
At birth
6-7 years
5 - 6 Years
6 years
Root completion របស់ Permanent maxillary first molar គឺៈ
σ� 6 Years
σ� 5-6 years
σ� 10 - 11 Years
σ� 9- 10 years
Initial of calcification របស់ Permanent maxillary second molar គឺៈ
At birth
2-2.5 years
3 years
3 - 3 ½ years
Crown completion របស់ Permanent maxillary second molar គឺៈ
12 Years
3-4 years
5-6 Years
7-8 years
Crown completion របស់ Permanent maxillary second molar គឺៈ
12 Years
σ� 3-4 years
5-6 Years
7-8 years
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