by Dr. Robert “Tito” Norris
As orthodontists, we all want to
create excellent smiles for our
patients. We want to create beautiful,
harmonious smiles that have
exceptional aesthetics and function
because, after all, our patients
essentially walk around flashing
our signatures wherever they go
and we all want our patients to
love their smiles. Furthermore, we
want dentists—or hygienists, or
any other dental professionals who
look inside a patient’s mouth—to
say, “Wow, this orthodontist did an
amazing job!” Perhaps that’s why
finished cases assessed under the
American Board of Orthodontics
(ABO) standards take an average of
24.6 months and 20 appointments
to complete.1,2
However, time is becoming increasingly
valuable to patients, who really appreciate
anything we can do as orthodontic professionals
to complete their treatment in fewer
appointments.
Let’s consider the events that need to
occur for an orthodontic appointment to
transpire:
- An appointment needs to be created that
is mutually convenient.
- A parent often must take off time from
work, take a child out of school and bring
them to an appointment.
- Then the patient needs to check in at the
orthodontic office, wait in the reception
room and be transported to a treatment
chair, where they wait for a doctor to plan
their next treatment direction.
- Then, the team works on the execution
of that decision.
- There are oral hygiene instructions,
motivational speeches and elastic-wear
guidance.
- There are instruments to sterilize and a
chair to disinfect after every appointment.
It’s a lot! Furthermore, let’s consider the
fact that more appointments equate to
longer treatment times, and thus are often
associated with iatrogenesis such as root
resorption, white spot lesions, carious
lesions and gingival inflammation.3 In fact,
longer-than-expected treatment time is one
of the major causes of patient dissatisfaction.4 There is also the issue of profitability
within the practice, which wanes with each
additional appointment.
Precise finishing
Therefore, I implore my orthodontic colleagues
to consider anything and everything
that might decrease treatment times and,
perhaps more importantly, the number of appointments
required to achieve orthodontic
finishing excellence. When we consider the
three phases of orthodontic treatment—
leveling and aligning, working and finishing—
it’s typically not the leveling and aligning
phase that takes much time and effort. Using
light NiTi wires, most patients can be levelled
and aligned within six months, or three or
four appointments. And the working phase is
often combined with the alignment phase via
the use of early light elastics.
Usually, the finishing phase takes the most
time, attention and adjustments. This is often
because of inaccurate bracket positions
and “slop,” or excessive play between the
wire and the bracket slot. More than 80% of
orthodontists in the world use an 0.022-inch
bracket slot, yet less than 1% of orthodontic
archwire sold is “full-sized,” or 0.021 by 0.025
inches in dimension. Therefore, most doctors
are using a wire that does not fully express
the bracket prescription, which leads to variation
in all three planes of space: torque, tip
and rotation.
The Norris 20/26 System was created to
resolve this issue by shrinking the slot of the
bracket to an accurate 0.020-by-0.026-inch
dimension, which interplays more precisely
with an 0.019-by-0.025-inch orthodontic
archwire, offering more control in all three
planes of space during the working and finishing
stages of treatment. After completing
more than 200 teen cases with the Norris
20/26 System in our office, the average
number of appointments is 10, which is a
50% reduction over published average treatment
times.1,2
Case study
Figs. 1-3
Fig.4
Fig.5
Figs.9-11
References
1. Aljehani D, Baeshen HA. “Effectiveness of the American Board of
Orthodontics Discrepancy Index in Predicting Treatment Time.” J Contemp
Dent Pract. 2018; 19(6):647–650.
2. Papageorgiou SN, Hochli D, Eliades T. “Outcomes of Comprehensive Fixed
Appliance Orthodontic Treatment Asystematic Review With Meta-Analysis
and Methodological Overview.” Korean J Orthod. 2017; 47(6):401–413.
3. Pinto AS, Alves LS, Maltz M, Susin C, Zenkner JEA. “Does the Duration of
Fixed Orthodontic Treatment Affect Caries Activity Among Adolescents and
Young Adults?” Caries Res. 2018; 52(6):463–467.
4. Pacheco-Pereira C, Pereira JR, Dick BD, Perez A, Flores-Mir C. “Factors
Associated With Patient and Parent Satisfaction After Orthodontic
Treatment: A Systematic Review.” Am J Orthod Dentofacial Orthop. 2015;
148(4):652–659.
Dr. Robert “Tito” Norris graduated from the
University of Texas Health Science Center at San
Antonio School of Dentistry, then completed a
residency at the VA Medical Center in Washington,
D.C., and orthodontic specialty training at Howard
University. After serving as a U.S. Air Force
orthodontist, Norris returned to San Antonio
and opened a private orthodontic practice. He
holds several patents and trademarks, and is the
inventor of the Norris 20/26 Passive Self-Ligating
Bracket System.
Norris is board-certified by the American Board
of Orthodontics, and is a member of 10 dental
organizations and study clubs. He lectures
internationally on topics including efficiency,
sustainability, customer service and aligner treatment