Pacific Coast Society of Orthodontists Bulletin Summer 2014 - (Page 30)
S E A S O N E D
TADs
Practitioner's
Corner
Dr. Terry McDonalD InTervIews
Dr. MIchael chaffee
on TaDs
M
Dr. McDonald
Dr. Chaffee
ost orthodontists are
aware of the ability of
temporary anchorage
devices (TADs) to create
absolute anchorage
in anterioposterior
(AP) tooth movement and the dramatic facial
changes that can accompany these movements.
Orthodontists may be less aware of the vertical control that can be achieved with TADs and
the benefit that vertical control can have on the
expression of anterior mandibular growth.
Dr. Michael Chaffee, the interviewee for this
issue of the Bulletin, shares his literaturesupported expanding wealth of knowledge on
both AP anchorage management using TADs
and also on how accurately placed TADs can
assist in vertical control which additionally
can aid in both AP and open bite corrections.
Dr. Terry McDonald (TM): How and when did
you begin utilizing skeletal anchorage devices
in your practice?
Dr. Mike Chaffee (MC): My small orthodontic
study group had a meeting in Houston in 2001
and our invited speaker was Dr. Hyo-Sang
Park of Daegu, Korea, who happened to be in
Oklahoma for one year. My fellow study club
members and I were absolutely fascinated with
the added control that TADs were able to provide
in the cases shown by Dr. Park. I began using
them shortly thereafter, primarily in problem
cases already in treatment that needed vertical
control. Dr. Park became my long-distance
mentor during the learning curve. At that time,
insertion required a pilot hole the length of the
screw, so an oral surgeon placed my TADs until
they became self-drilling. I highly recommend
that orthodontists place their own TADs
because patient and parent acceptance is much
greater when they do not need to be referred out,
and because TAD insertion is less costly than
with a surgeon. By placing TADs themselves,
orthodontists will be more certain that they are
placed in a location and at an angulation that
will lead to ideal force vectors.
TM: What are your preferred TAD design
features?
Figure 1.
Simultaneous retraction and intrusion with .025" X .025"
elastic thread (left) with .025" X .025" elastic thread and
en-masse distalization and intrusion with .018" X .018"
clear elastic thread (right).
30
MC: Like so many other choices we make
regarding the devices we use in orthodontics,
desired TAD features really come down to
personal preference and I have used several
brands over the years. I now use elastic thread
almost exclusively in applying forces off of
TADs, so for me a design with a hole that
accepts elastic thread in size .016" X .016", up to
size .025" X .025" is a must. For efficiency's sake,
PCSO BULLETIN * SUMMER
2014
Table of Contents for the Digital Edition of Pacific Coast Society of Orthodontists Bulletin Summer 2014
The Big Easy: Not Always So Easy
About the PCSO Mission Statement
AAO Trustee Report
PCSO Business
AAO Council on Scientific Affairs (COSA) Report
Component Reports
PCSO at a Glance
AAOF Report
Decrease Stress and Increase Volume
Resident Spotlight: Loma Linda School of Dentistry Postgraduate Orthodontic Program
Younger Member Spotlight: Dr. Melissa Bailey
Third Molar Protocols
Editorial: Special Section
PCSO Program Talk: Orthodontic Residency Programs and the Use of TADs
Case Report: Pre-Treatment
Faculty Files: TADs in Orthodontics: A Review
Seasoned Practitioner's Corner: Dr. Terry McDonald Interviews Dr. Michael Chaffee on TADs
Case Report: Post-Treatment
Pearls of the Pacific: Instant Edentulous Anchorage
Portrait of a Professional: Dr. Earl S. Johnson
Sweet Farewell: Retainers and Retention
In Memory: Dr. Burton Littleton Fletcher
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