Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 55
Doctors
Figure 3. Cone-beam computed tomography frontal
three-dimensional rendering shows the overall narrow
appearance of the face, including the arches and
mandible. The anterior open bite can be noted and
most likely has resulted from the posterior rotation
of the mandible due to bilateral condylar height loss.
The narrowing of the transverse dimension of the face
can occur with posterior rotation of the mandible and
inferior repositioning of the tongue, resulting in remodeling
of the bones under the forces of the muscles
of facial expression and the buccinator.
craniofacial system interacts and get to the root of
the issue and discover the underlying cause of the
anterior open bite before attempting to close the
bite orthodontically. Both the orthopedic stability
of the joints and the stability of the DJD should be
assessed, with the understanding that there is a
risk of DJD recurrence and that patients diagnosed
with this condition should be treated with care and
followed up to rule out reactivation of the condition.
The upper respiratory tract should be evaluated with
care to rule out obstruction or narrowing of any of its
components, which may lead to continued mouth
breathing, tongue thrusting, mandibular autoadvancement
habits, and continued exertion of the
forces that led to the malocclusion in the first place.
As physicians of the oral and maxillofacial complex,
orthodontists have an obligation to diagnose and
subsequently treat conditions that affect the proper
growth and development of this complex. Medicine
is seven parts diagnosis, two parts planning, and one
part treatment, and orthodontics is an amazing part
of the healing arts that have the potential to change
the life, confidence, health, and appearance of the
patient for the better; however, a complete and comprehensive
diagnosis should first be reached.
Spring 2023 PCSO Bulletin
Figure 4. Cone-beam computed tomography lateral
three-dimensional rendering shows the steep mandibular
and occlusal planes with the anterior open
bite and high gonial angles. This is a result of posterior
rotation of the mandible due to bilateral reduction
of condylar height.
Figure 5. Airway volumetric measurement superimposed
on the sagittal cone-beam computed tomography
plane. Although the airway dimensions on this
image do not appear to be small, please note that
the head and neck are postured forward to place the
chin on the chin rest, and the airway dimensions are
most likely much smaller in natural head posture.
The oropharyngeal airway can narrow as a result of
the posterior rotation of the mandible secondary to
bilateral condylar height loss.
55
Pacific Coast Society of Orthodontists Bulletin Spring 2023
Table of Contents for the Digital Edition of Pacific Coast Society of Orthodontists Bulletin Spring 2023
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 1
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 2
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 3
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 4
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 5
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 6
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 7
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 8
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 9
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 10
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 11
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 12
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 13
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 14
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 15
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 16
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 17
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 18
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 19
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 20
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 21
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 22
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 23
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 24
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 25
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 26
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 27
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 28
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 29
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 30
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 31
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 32
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 33
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 34
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 35
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 36
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 37
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 38
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 39
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 40
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 41
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 42
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 43
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 44
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 45
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 46
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 47
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 48
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 49
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 50
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 51
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 52
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 53
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 54
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 55
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 56
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 57
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 58
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 59
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 60
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 61
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 62
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 63
Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 64
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