Primary Dentition
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Calcification begins: Central Incisors | The central incisors (Mx and Md) begin calcification 3-4 months in utero
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| Calcification begins: Lateral Incisors | The lateral incisors (Mx and Md) begin calcification 4 months in utero
(same as the First Molars)
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| Calcification begins: First Molars | The first molars (Mx and Md) begin calcification 4 months in utero
(same as the Lateral incisors)
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| Calcification begins: Canines | The canines (Mx and Md) begin calcification 4-5 months in utero
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| Calcification begins: Second Molars | The second molars (mx and md) begin calcification 5 months in utero
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| Calcification sequence: order the teeth in the order they calcify in utero | Central incisors (3-4 mos in utero)
Lateral Incisors and 1st molars (4 mos in utero)
Canines (4-5 mos in utero)
2nd molars (5 months in utero)
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| Crown completion post-natal: Mx Central Incisors | The maxillary central incisors complete crown formation at 2 months
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| Crown completion post-natal: Mx Lateral Incisors | The maxillary lateral incisors complete crown formation at 2-3 months
(same as the mandibular centrals incisors)
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| Crown completion post-natal: Md central incisors | The mandibular central incisors complete crown formation at 2-3 months
(same as the maxillary lateral incisors)
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| Crown completion post-natal: first molars | The first molars (both mx and md) complete crown formation at 6 months
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| Crown completion post-natal: canines | The canines complete crown formation at 9 months
(caNINE: crown 9 months)
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| Crown completion post-natal: Md 2nd molars | The mandibular 2nd molars complete crown formation at 10 months
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| Crown completion post-natal: Mx 2nd molars | The maxillary 2nd molars complete crown formation at 11 months
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| Crown completion post-natal: order the teeth in the order they complete crown calcification | MxCI (2)
MxLI,MdCI (2-3)
MdLI (3)
1M (6)
C (9)
Md2M (10)
Mx2M (11)
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| Eruption: mandibular central incisors | The mandibular central incisors erupt at 6-8 months
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| Eruption: maxillary central incisors | The maxillary central incisors erupt at 7-10 months
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| Eruption: maxillary lateral incisors | The maxillary lateral incisors erupt at 8-11 months
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| Eruption: mandibular lateral incisors | The mandibular lateral incisors erupt 9-13 months
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| Eruption: maxillary first molars | The maxillary first molars erupt at 12-15 months
(Mx2M: +1 to 15 --> eruption for Mx2M: 12-16)
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| Eruption: mandibular first molars | The mandibular first molars erupt at 12-16 months
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| Eruption: maxillary canine | The maxillary canine erupts at 16-19 months
(MdC +1, +1: MdC erupts 17-20 mos)
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| Eruption: mandibular canine | The mandibular canine erupts at 17-20 months
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| Eruption: mandibular 2nd molar | The mandibular second molar erupts at 20-26 months
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| Eruption: maxillary 2nd molar | The maxillary second molar erupts at 25-28 months
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| Eruption: order the teeth in the order they erupt | MdCI (6-8)
MxCI (7-10)
MxLI (8-11)
MdLI (9-13)
Mx1M (12-15)
Md1M (12-16)
MxC (16-19)
MdC (17-20)
Md2M (20-26)
Mx2M (25-28)
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| Root completion: Incisors (C and L) | The root of the incisors are complete by 2.5 years old
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| Root completion: First molars | The root of the first molars are complete by 3 years old
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| Root completion: Canines | The root of the canines are complete by 3.5 years old
(same as the mandibular 2nd molar)
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| Root completion: Mandibular 2nd Molar | The root of the mandibular 2nd molars are complete by 3.5 years old
(same as the canines)
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| Root completion: Maxillary 2nd molar | The root of the maxillary 2nd molars are complete by 4 years old
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| Root completion: order the teeth in order their roots are completely formed | Incisors (2.5)
1M (3)
Md2M, C (3.5)
Mx2M (4)
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| Emergence Sequence: Mandibular Central Incisors | The mandibular central incisors are 1st to erupt
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| Emergence Sequence: Maxillary Central Incisors | The maxillary central incisors are 2nd to erupt
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| Emergence Sequence: Maxillary Lateral Incisors | The maxillary lateral incisors are 3rd to erupt
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| Emergence Sequence: mandibular lateral incisors | The mandibular lateral incisors are 4th to erupt
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| Emergence Sequence: maxillary 1st Molar | The maxillary first molars are 5th to erupt
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| Emergence Sequence: mandibular 1st molar | The mandibular first molars are 6th to erupt
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| Emergence Sequence: maxillary canines | The maxillary canines are 7th to erupt
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| Emergence Sequence: mandibular canines | The mandibular canines are 8th to erupt
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| Emergence Sequence: Mandibular 2nd molars | The mandibular second molars are 9th to erupt
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| Emergence Sequence: maxillary 2nd molars | The maxillary second molars are 10th to erupt
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| Emergence Sequence: order the teeth in the order the erupt | MdCI
MxCI
MxLI
MdLI
Mx1M
Md1M
MxC
MdC
Md2M
Mx2M
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Created by:
reamckin
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