Ortho / Pedo Flashcards
How many hours per day should CERVICAL PULL headgear be worn?
14 hrs / day. Yikes.
The ENAMEL RODS of primary teeth are _______ directed
OCCLUSALLY
Greatest chance of success for a pulpotomy =
tooth vitality (remaining radicular pulp and its ability to not become inflamed)
What teeth are most susceptable to baby bottle caries?
Maxillary incisors
The _____ point angle is the parameter used to determine the relation of the patients maxilla to their cranial base.
SNA or Sella-Nasion - A
_____ values BELOW the normal range corresponds to a retruded maxilla and probably a class III skeletal relationship.
SNA
_____ values ABOVE the normal range corresponds to a protruded maxilla and a class II skeletal relationship.
SNA
____ value is a useful guide in determining the relation of maxilla to the mandible.
ANB
A higher than average mandibular plane angle indicates a _______ growth pattern and an _______ lower anterior face height.
vertical…increased
__________ is the most common post-extraction complication seen following the extraction of the lower molars in a 3 year old patient
post-op lip biting
7 y/o with traumatic exposure tooth #14 2hrs ago. Tx?
pulpotomy (direct pulp cap can only be done w/in 1 hour)
Of all facial dimensions, the _______ of the face remains largely constant throughout life.
WIDTH (The depth and height of a face undergo remarkable changes over the course of life due to loss of teeth, losses in occlusal/vertical dimensions, and skin wrinkling from aging)
Coronal dentin of primary teeth is typically ___% of the quantity of the coronal dentin found in permanent teeth
50%
The three planes of spaces which are used to classify malocclusion are:
STV: Sagittal Transverse Vertical
The ______ plane is used to describe the anterior-posterior relationships. (Class II or Class III relationship)
SAGITTAL
The ______ plane is used to give the superior-inferior relationships. (Deep bite or Open bite)
VERTICAL
The _______ plane describes right to left relationships that are predominantly caused by a constriction of the dental arches. (unilateral or bilateral crossbite)
TRANSVERSE
If an ANB is = ___, then the pt has Class III malocclusion
-3
SNA > ___ = maxillary PROgnathism
> 84 degrees
SNB < ___ = Mandibular RETROgnathism
< 78 degrees
If the ANB is a NEGATIVE value what Class malocclusion is happening?
Class III
If the ANB is ABOVE 4 it is considered a class ____
II occlusion
