Abnormalities in tooth development: shape
Tooth Development Abnormalities Quiz
Test your knowledge on abnormalities in tooth development with this engaging quiz! Delve into various conditions such as microdontia, macrodontia, and more. Perfect for dental students, professionals, and enthusiasts alike!
Highlights:
- Multiple-choice questions
- Focus on key abnormal tooth shapes
- Ideal for self-assessment
Which two can be detected by clinically only
Supplemental
Odontoma
Conical
Invagination
Macrodontia prevalent rate in permanent dentition?
1%
1.5%
2%
0.5%
2.5%
Which abnormalities occurs the most in primary teeth?
Hypodontia
Microdontia
Double teeth
Supernumeraries
Invaginated teeth
The most common teeth for microdontia?
Upper lateral
Upper central
Lower canine
Lower 2nd primolar
Third molar
Prevalence of double tooth in primary dentition?
0.4~0.7%
0.5~4.0%
0.1~0.3%
0.5~4.5%
0.5~2.5%
Prevalence of talon cusp?
0.05~1%
1~2%
1.5~2.5%
Unknown
3~5%
Alternate name for invaginated tooth?
Dilated congestant odontoma
Dens in dente
Tooth inclusion
Composite odontoma
All of above
PTHR1 mutation is always associated with which tooth?
Upper second premolar
Permanent molar
Lower premolar
Lower canine
Upper lateral
Which is involved in characteristics of ankylosis?
Bilateral
PTHR1
Hypodontia
S. Curved root
Both arches
What was the sample sizes number who have tested for PTHR1 gene test in study conducted by Rhoads in 2013
14
27
34
25
31
Ankylosis is common in where?
Posterior teeth
Anterior teeth
What is the mendelian genetic code number for PTHR1 mutation
OMIM119600
OMIM113150
OMIM125350
OMIM123321
OMIM125340
Talon cusp is found most often to which teeth?
Lower canine
Lower premolars
Upper molars
Upper incisor
Upper incisor
Neonatal teeth are present for how long after birth?
20 days
12 days
27 days
30 days
7 days
Trauma can cause
PFE
Ankylosis
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