Dental Chan Borey
15. The mineralization of the crown of permanent maxillary central incisor is completed at the age of?
ΟΎ 4-5 years
Ο½ 2-3 years
Ο½ 1-2 years
Ο½ 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?
ΟΎ 3mm below the cervical line
Ο½ 4mm below the cervical line
Ο½ 5mm below the cervical line
Ο½ 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?
ΟΎ 3mm below the cervical line
Ο½ 4mm below the cervical line
Ο½ 5mm below the cervical line
Ο½ 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 :
ΟΎ 10-12 month intrauterine life
Ο½ 1 year after birth
Ο½ 2 year after birth
Ο½ 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 αααα Permanent maxillary central incisor ααΊα
3-4 months
2-3 months
4-5 years
Ο½ 10-11 years
100. Root completion αααα Permanent maxillary central incisor ααΊα
3-4 months
2-3 months
4-5 years
Ο½ 10-11 years
Crown completion αααα Permanent maxillary central incisor ααΊα
3-4 months
2-3 months
4-5 years
Ο½ 10-11 years
Eruption αααα Permanent maxillary central incisor ααΊα
7-8 years
2-3 months
4-5 years
Ο½ 10-11 years
First evidence of calcification αααα Permanent maxillary lateral incisor ααΊα
4-5 years
8-9 years
2-3 months
10-12 months
Root completion αααα Permanent maxillary lateral incisor ααΊα
4-5 years
11 years
8-9 years
10-11 years
Eruption αααα Permanent maxillary lateral incisor ααΊα
4-5 years
11 years
8-9 years
10-11 years
Enamel completed αααα Permanent maxillary lateral incisor ααΊα
4-5 years
11 years
8-9 years
10-11 years
Root completion αααα Permanent mandibular central incisor ααΊα
8-9 years
7-8 years
10 years
11 years
Eruption αααα Permanent mandibular central incisor ααΊα
8-9 years
7-8 years
10 years
6-8 years
Crown completion αααα Permanent mandibular central incisor ααΊα
3-4 years
6-8 years
4-5 years
Ο½ 10 years
First evidence of calcification αααα Permanent maxillary canine ααΊα
3-4 months
2-3 months
4-5 months
5-6 months
Root completion αααα Permanent maxillary canine ααΊα
12-14 years
11 years
11-12 years
ΟΎ 13-15 years
Eruption αααα Permanent maxillary canine ααΊα
7-8 years
Ο½ 9-10 years
11-12 years
12-13 years
Crown completion αααα Permanent maxillary canine ααΊα
7-8 years
Ο½ 9-10 years
4-5 years
6-7 years
First evidence of calcification αααα Permanent mandibular canine ααΊα
1-2 years
2-3 months
5-6 months
4-5 months
Root completion αααα Permanent mandibular canine ααΊα
ΟΎ 12 - 14 years
Ο½ 11 years
11-12 years
Ο½ 13-15 years
Eruption αααα Permanent mandibular canine ααΊα
7-8 years
Ο½ 9-10 years
10-11 years
6-7 years
Crown completion αααα Permanent mandibular canine ααΊα
7-8 years
Ο½ 9-10 years
5-6 years
6-7 years
First evidence of calcification αααα Permanent first maxillary premolar ααΊα
1-2 years
3-4 years
1.5 - 1.75 years
1.5-2.75 years
Root completion αααα Permanent maxillary first premolar ααΊα
ΟΎ 12 - 13 years
Ο½ 12 years
11-12 years
Ο½ 13-15 years
Eruption αααα Permanent maxillary first premolar ααΊα
7-8 years
Ο½ 9-10 years
10-11 years
12-13 years
Enamel completion αααα Permanent maxillary first premolar ααΊα
Ο½ 4 -5 years
ΟΎ 5 - 6 years
Ο½ 11 - 12 years
Ο½ 10 - 11 years
Which of the following sequence of eruption of permanent teeth is normally seen in the maxilla ?
Ο½ 1, 6, 2, 4, 3, 5, 7, 8
Ο½ 1, 6, 2, 3, 4, 5, 7, 8
Ο½ 6, 1, 2, 3, 4, 5, 7, 8
ΟΎ 6, 1, 2, 4, 3, 5, 7, 8
Initial of calcification αααα Permanent second maxillary premolar ααΊα
A. 1-2 years
B. 3-4 years
C. 1.5 - 1.75 years
D. 2-2.5 years
Root completion αααα Permanent maxillary second premolar ααΊα
Ο½ 12 - 13 years
Ο½ 12 years
ΟΎ 12-14 years
Ο½ 13-15 years
Eruption αααα Permanent maxillary second premolar ααΊα
Ο½ 11 -12 years
ΟΎ 10-12 years
Ο½ 12 - 13 years
Ο½ 10 - 11 years
Completion of crown αααα Permanent maxillary second premolar ααΊα
ΟΎ 6-7 years
Ο½ 5 - 6 years
Ο½ 11 - 12 years
Ο½ 10 - 11 years
Initial of calcification αααα Permanent mandibular first premolar ααΊα
A. 1 ΒΎ - 2 Years
B. 3-4 years
C. 1.5 - 1.75 years
D. 2-2.5 years
Crown completion αααα Permanent mandibular first premolar ααΊα
A. 6 Years
B. 3-4 years
C. 5 β 6 Years
D. 2-2.5 years
Eruption αααα Permanent mandibular first premolar ααΊα
12 Years
6-7 years
10 - 12 Years
7 years
194. Root completion αααα Permanent mandibular first premolar ααΊα
Ο½ 12 Years
Ο½ 13 Years
Ο½ 10 - 12 Years
ΟΎ 12- 13 years
202. Initial of calcification αααα Permanent mandibular second premolar ααΊα
1 ΒΎ - 2 Years
2-2.5 years
1.5 - 1.75 years
2 ΒΌ - 2 Β½ years
Crown completion αααα Permanent mandibular second premolar ααΊα
6 Years
6-7 years
5 β 6 Years
12 years
Eruption αααα Permanent mandibular second premolar ααΊα
12 Years
6-7 years
11 - 12 Years
7 years
205. Root completion αααα Permanent mandibular second premolar ααΊα
Ο½ 12 Years
ΟΎ 13-14 years
Ο½ 10 - 12 Years
Ο½ 12- 13 years
The combined mesiodistal width of the three mandibular molars on one side make up :
ΟΎ 51% of the mesiodistal dimension of their quadrant
Ο½ 51% of the mesiodistal dimension of mandibular quadrant
Ο½ 51% of the mesiodistal dimension of their arch
Ο½ 51% of the mesiodistal dimension of their mandibular arch
Initial of calcification αααα Permanent maxillary first molar ααΊα
3 - 4 Years
2-2.5 years
At birth
2 ΒΌ - 2 Β½ years
Crown completion αααα Permanent maxillary first molar ααΊα
6 Years
3-4 years
5-6 Years
7-8 years
Eruption αααα Permanent maxillary first molar ααΊα
At birth
6-7 years
5 - 6 Years
6 years
Root completion αααα Permanent maxillary first molar ααΊα
Ο½ 6 Years
ΟΎ 5-6 years
Ο½ 10 - 11 Years
Ο½ 9- 10 years
Initial of calcification αααα Permanent maxillary second molar ααΊα
At birth
2-2.5 years
3 years
3 - 3 Β½ years
Crown completion αααα Permanent maxillary second molar ααΊα
12 Years
3-4 years
5-6 Years
7-8 years
Crown completion αααα Permanent maxillary second molar ααΊα
12 Years
Ο½ 3-4 years
5-6 Years
7-8 years
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