The 47th Annual Moyers Symposium

February 29 - March 1, 2020



Controversial Topics in Orthodontics: Can We Reach Consensus?

As dental and orthodontic practitioners, it can be challenging to keep up with the continual flow of new evidence in support of traditional vs. non-traditional treatment philosophies and techniques. For this 47th Annual Moyers Symposium presenters will provide the latest knowledge on a variety of topics that may not have yet achieved a level of consensus in our profession. Many questions remain. What is adequate evidence to achieve professional consensus? What is the expert consensus on the orthodontists’ role in obstructive sleep apnea, TMD, and new therapies such as the Carrier appliance, implant supported skeletal expansion and corticotomies? Are traditional biomechanic principles relevant to our newer treatment techniques used with clear aligners? Is there any upside to DYI orthodontics and if not, how should our profession handle this phenomenon? The goal of this year’s symposium is for attendees to participate in lively discussion and leave with greater confidence in their perception of consensus in diagnosis and treatment options.

In addition, the 46th Annual International Conference on Craniofacial Research (the “Presymposium”) will be held on the Friday before the Moyers Symposium, on Feb 28, 2020 in the Kellogg Auditorium of the School of Dentistry. The Presymposium conference will feature presentations by speakers and time for discussion of presented topics on orthodontic digital technologies, biomedical advances and additional relevant craniofacial research. A Presymposium Reception will be held outside the Kellogg Auditorium in the School of Dentistry immediately following Presymposium talks on Friday. You are encouraged to attend both the Presymposium and Symposium meetings.

As in previous years, the Annual Moyers Symposium honors the late Dr. Robert E. Moyers, Professor Emeritus of Dentistry and Founding Director of the University of Michigan, Center for Human Growth and Development.

In addition to the speaker talks, we hope you will join us at our University of Michigan Alumni and Friends Reception, to be held within the Rackham Building on Saturday evening.


Saturday, February 29, 2020

Symposium Day 1

8:15am Registration
Rackham Auditorium, Horace H. Rackham School of Graduate Studies, The University of Michigan
Session 1: Overview
9:00am Welcome and Introductory Remarks
James McNamara, DDS, MS, PhD, Professor Emeritus, University of Michigan, School of Dentistry
Nan Hatch, DMD, PhD, Associate Professor and Chair, University of Michigan, School of Dentistry


What is old is often new...
Rolf G. "Buzz" Behrents, DDS, MS, PhD

To the point of this symposium, over time orthodontics has been the focus of many controversies. Orthodontists generally function in an isolated environment and when they adopt beliefs and practices they are tightly held, and difficult to change. Moreover, because our knowledge is imperfect, orthodontics is considered a blend of art and science, producing variation in approach and result. As a further complication, orthodontics involves outside influences from patients, insurance companies, dentists, the economy, and the government all which are consequential to the practice of orthodontics. Such conditions breed and encourage controversy.

Some of the controversies are small so as to be short interruptions in the orderly flow of practice and commerce; others are hard fought and seemingly endure forever. As an easy example, in the early days of orthodontics, the extraction of teeth for orthodontic purposes was forbidden, later encouraged, later discouraged, and more recently thought to be the proximate cause of other maladies (unesthetic faces, TMD, OSA).

Other controversies, appear to find a relative end. Scientific inquiry, knowledge, and education seem to make the difference. Nowadays, we value evidence, more so than mere opinion. This was clearly in force, when the specialty recently considered the relationship between orthodontics and obstructive sleep apnea. This presentation will discuss these and other controversies that have meaning in the contemporary practice of orthodontics. Moreover, we may look a little “over the hill” to see if we can determine “what’s next?”.

10:30am Break
11:00am Evaluating new approaches to the treatment of Class II and Class III malocclusions in adolescents, adults and juveniles: The Carriere Motion appliance system
James McNamara, DDS, MS, PhD, Professor Emeritus, University of Michigan, School of Dentistry
12:00pm Lunch (on your own)
Session 2
1:30pm The Latest Developments and Advanced Applications with Non-surgical Midfacial Skeletal Expansion (MSE): Fiction or Reality?
Won Moon, DMD, MS, Associate Clinical Professor and Thomas R. Bales Endowed Chair in Orthodontics, UCLA School of Dentistry
2:10pm Augmented Corticotomy-assisted Arch Expansion and Periodontal Phenotype Modification for Adult Orthodontics
Chin-Wei "Jeff" Wang, DDS, MMSc, Clinical Assistant Professor, University of Michigan, School of Dentistry
3:00pm Break
Session 3: TMJD and Pain: Etiology and the Patient Experience
3:30pm Augmented Reality and Artificial Intelligence - A (human) brainstorm on how they are revolutionizing dental research, education, and treatment
Alexandre DaSilva, DDS, DMedSc, Associate Professor, University of Michigan, School of Dentistry
4:10pm Mechanobehavior and Temporomandibular Disorders: a departure from the parafunction model
Jeffrey Nickel, DMD, MSc, PhD, Associate Professor, Oregon Health & Science University
4:50pm Panel discussion (speakers from Day 1 sessions)
5:10pm Adjournment
6:00pm Reception for University of Michigan Alumni and Friends (all attendees are welcome)
Rackham Lobby, 4th floor, The University of Michigan

Sunday, March 1, 2020

Symposium Day 2

Session 4: The Need for Rationale Biomechanics
9:00am Changing times for Orthodontics: Expertise, convenience or do it yourself?
Bhavna Shroff, DDS, MDentSc, MPA, Professor, Virginia Commonwealth University, School of Dentistry
9:40am Biomechanics principles and new technologies: what is relevant?
Antonio Carlos de Oliveira Ruellas, DDS, MS, PhD, Clinical Associate Professor, University of Michigan, School of Dentistry
10:20am Controlling the Vertical Dimension with Clear Aligners, What's Really happening?
Mazyar Moshiri, DMD, MS, Assistant Clinical Professor, Center for Advanced Dental Education, Saint Louis University
11:00am Panel discussion (all Symposiumm speakers)
11:40am Adjournment


All Presymposium talks will be held in the Kellogg Auditorium (Room G005) at the School of Dentistry.

Friday, February 28, 2020


Presymposium schedule TBA
4:45pm Reception
Sindecuse Atrium, School of Dentistry (ground floor)



The Horace H Rackham School of Graduate Studies is located at 915 E. Washington St., Ann Arbor, MI 48109.



The trip between the Detroit Metro Airport and Ann Arbor takes about 20-30 minutes.

Taxi costs around US$ 50. They usually take 3 people (it is not necessary to make reservations for the taxi).

The most economical option is to take a shuttle.

Another alternative (a bit more expensive) is to take the Metrocar Services. The driver will wait for you at the baggage claim, pick up your bags, and bring you to Ann Arbor (they generally take up to 3 people).


Due to the effect of the Great Lakes, the weather in Ann Arbor can vary widely in March. Temperatures can range from 30°F at night to 65°F midday. The 5-year daily high average is 52°F. Precipitation can range from light snow to thunderstorms. It is best to come prepared for cold nights and cool-to-mild days.


The Symposium, which began in 1974, honors Dr. Robert E Moyers. Dr. Moyers chaired the University of Michigan, School of Dentistry’s Department of Orthodontics (1953-1966) and later was the Founding Director of the UM Center for Human Growth and Development (1964-1980). The Center was established as a university-wide interdisciplinary unit to better understand childhood growth and development.

Under his leadership, the Center gained international prominence not only for interdisciplinary research in craniofacial biology, but also in developmental biology, nutrition, public health, morphometrics, anthropology, linguistics, and pediatrics.

Author of the textbook, Handbook of Orthodontics, Moyers was elected to the Royal College of Surgeons in London (1955). He received the profession’s highest award, the Albert H. Ketcham Award (1988) and was posthumously inducted into the University of Michigan, School of Dentistry’s Hall of Honor (2004).