Management of Impacted Teeth Flashcards
A tooth that fails to erupt into the dental arch within a specific
time frame
Impacted tooth
What is the most common cause of impacted teeth?
Inadequate arch length
What is the most common impacted teeth?
Mand third molars
A vertical impaction is most common in max or mand third molars?
Max
A mesioangular impaction is more common in max or mand thirds?
Mand
Is a distoangular or mesioangular impaction easier to manage in max?
Distoangular
Is a distoangular or mesioangular impaction easier to manage in mand?
Mesioangular
Pell and Gregory Class ____:
: Sufficient amount of space between the anterior border of ramus
and the distal of the second molar for the accommodation of the entire
crown (mesio-distal diameter) of the third molar.
Situated anterior to the anterior border of the ramus and there is
adequate room to erupt
Class 1
Pell and Gregory Class ____:
- Space between the anterior border of ramus and the distal of
the second molar less than the mesio-distal diameter of the crown of the
third molar
- Crown ½ covered by the anterior border of the ramus
Class 2
Pell and Gregory Class ____:
All of the third molar is within the ramus
- Crown fully covered by the anterior border of the ramus
Class 3 -
Pell and Gregory Class ____:
The occlusal plane of the impacted tooth is at the same level as
the adjacent tooth
Class A
Pell and Gregory Class ____:
The occlusal plane of the impacted tooth is between the occlusal
plane and the cervical line of the adjacent tooth
Class B
Pell and Gregory Class ____:
The occlusal plane of the impacted tooth is apical to the cervical
line of the adjacent tooth
Class C
Third Molar Surgery performed ideally when roots are ____ to ____ formed
1/2 to
2/3rds formed.
• lnfection of the soft tissue (operculum) around the crown of a
partially impacted tooth
• Caused by normal oral flora
• Compromised host defenses
• Trauma (occlusal)
• Food entrapment
Pericoronitis
