Title: Orthodontics Final Exam: Master Your Clinical Skills Description:

Orthodontics: Final Exam




If you see any numbers on the test --> ...
remember that they are ORTHO
NUMBERS

How much wider are permanent maxillary 6.8 mm
incisors than primary maxillary incisors
(sum of the teeth, not the individual teeth)

How much wider are mandibular 5.2
permanent incisors than primary
mandibular incisors? (sum of teeth, not
each individual tooth)


Maxillary primary 1M vs perm. 1PM Primary 1m are 0.2mm wider than perm. 1pm


Maxillary primary 2M vs. perm. 2PM Primary 2m is 1.1 mm wider than perm 2pm
Total space gained in the maxillary arch via 1.3mm
M-->PM

MAndibular primary 1M vs. perm. 1PM Primary is 0.9 mm wider

Mandibular primary 2M vs. perm. 2PM Primary is 2.0 mm wider

Total space gained in the mandibular arch 2.9mm
via M-->PM

Which primary teeth are most commonly MANDIBULAR primary MOLARS
ankylosed?

How do ectopically erupted perm. 1Ms Mesially inclined, getting caught on the distal of the primary 1M
present?

In order, which primary teeth are most MAXillary laterals
commonly congenitally missing? (2) MANDibular centrals




1/8

, 3rd molars
Maxillary laterals
In order, which permanent teeth are most Mandibular 2PM
commonly congenitally missing? (5)
Mandibular CENTRALS
Maxillary 2PM




2/8