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Dr. Dixon Final!!
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When does calcification of primary teeth begin?
Around 4th month of fetal life
What teeth are known as bicuspids?
premolars
What tooth has the cusp of carabelli?
Maxillary 1st molar
At what age should all primary teeth be erupted by?
2 3/4 years
As a general rule, which teeth usually come in first? Maxillary or Mandibular?
Mandibular
Primary teeth eruption times?
Central incisors- 8-12 months
Lateral incisors- 9-13 months
1st Molar- 13-19 months
Canines- 16-22 months
2nd Molar- 25-33 months
What is the first permanent tooth to erupt?
1st Molars
What are the most commonly congenitally missing teeth?
-3rd Molars
-2nd Mand premolar
-Max. lateral incisors
Edentulous
Without teeth
Max permanent teeth eruption times:
Central Incisor- 7-8 yrs.
Lateral Incisor- 8-9 yrs.
Canine- 11-12 yrs.
1st PM- 10-11 yrs.
2nd PM- 10-12 yrs.
1st Molar- 6-7 yrs.
2nd Molar- 12-13 yrs.
3rd Molar- 17-22 yrs.
Mand permanent teeth eruption times:
Central Incisor- 6-7 yrs.
Lateral Incisor- 7-8 yrs.
Canine- 9-10 yrs.
1st PM- 10-12 yrs.
2nd PM- 11-12 yrs.
1st Molar- 6-7 yrs.
2nd Molar- 11-13 yrs.
3rd Molar- 17-22 yrs.
Diastema
Space between two adjacent teeth
Protrusion
pushing out
Retrusion
pushed in or back
How many teeth are in permanent dentition?
32
How many teeth are in primary dentition?
20
What teeth are nonsuccedaneous?
Permanent molars
Supraeruption
When an opposing tooth doesnt have anything to oppose, it will continue to erupt trying to find something to contact with
Macrodontia
Too large of a tooth
Microdontia
Too small of a tooth
Hyperdontia
Multiple of extra teeth
Anadontia
Too few teeth
Dilaceration
tooth with a sharp bend or curve in the root or crown
Fusion
2 adjacent tooth germs unite
Peg Lateral
Malformed lateral incisor
mixed dentition
contains both primary and permanent teeth
Mamelons
Forms the incisal edges of anterior teeth when the developmental lobes fuse
How many lobes do molars have?
5
How many lobes does premolars have?
4
Attrition
Wearing away of tooth structure through contact of its functioning surfaces
Anomaly
Something that is noticeably different or deviates from that which is normal
Hereditary
A result of the individuals genetic make up
Congenital
If a condition occurs at or before birth
Dwarfed Roots
Roots of the teeth are extremely short compared to the crown
Enamel Pearl
Small masses of excess amounts of cementum of apex of root
Mulberry Molars
Irregular-shaped molars with poorly formed cusps
-Congenital syphilis exposure
PDL Fiber Groups:
Alveolar Crest
Horizontal
Oblique
Apical Group
Interradicular
Acellular Cementum
Covers the cervical 1/3 of the root
Cellular Cementum
Covers the apical portion of the root
What tooth is the natural plaque trap?
Max 1st PM
What tooth has groove patterns that are U, H, or Y shaped?
Mand 2nd PM
What tooth has a Y shaped groove pattern?
1st Mand molar
What is the smallest teeth in the mouth?
Mand central incisor
Canine is also known as what?
Cingulum
What is the longest teeth in the mouth?
Canine
Exfoliation
Shedding of primary teeth with replacement by permanent teeth
What tooth has the appearance of a stretched out S?
Primary mand 1st molar
Author
kbeth07
ID
53930
Card Set
Dr. Dixon Final!!
Description
cards for Dr. Dixon
Updated
2010-12-08T03:46:36Z
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