Orthotown November 2023 - 39
MARPE
+ Mask
Case studies about a technique that shows promise
for growth modification in Class III patients
BY DR. JEREMY MANUELE
O
ver the past few decades, orthodontics has undergone significant transformations
because of technological advancements and innovative ideas. However,
every innovative idea we see today was once met with skepticism and
resistance from the orthodontic community because there was little to no
evidence to support it at the time. TADs, surgically facilitated orthodontic therapy
and clear aligners are just a few examples.1-4
While this scrutiny is vital to ensure patient safety and allows skilled practitioners
to share their knowledge and experience, we must also remain open to new
possibilities to keep our specialty moving forward. As time passed and the body of
research evidence increased, many of these techniques became widely accepted and
adopted by orthodontists worldwide.
Orthodontics and dentofacial orthopedics are constantly evolving fields, and we
must continue to embrace new ideas and techniques to advance our specialty. In
this article, I will discuss a newer technique-mini-implant-assisted rapid maxillary
expansion in conjunction with traditional protraction facemask-that is showing
great promise in growth modification for skeletal Class III patients. I will present
some case studies to demonstrate the potential benefits of this technique in hopes
of sparking further interest and research with this and related treatment modalities.
The challenge
Class III skeletal malocclusions are relatively common, with an incidence rate of
approximately 6% of the global population.5
Correcting Class III malocclusions can
be a challenge for orthodontists, because the underlying cause can be a small retrognathic
maxilla, a prognathic mandible or both. (In Class III patients in American
populations, the most common cause is a retrognathic maxilla.6
) The growth pattern
in these patients is characterized by a greater forward growth of the mandible
compared with that of the maxilla, resulting in a more protrusive lower jaw relative
to the upper jaw.
NOVEMBER 2023 | 39 | ORTHOTOWN.COM
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Orthotown November 2023
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