2013 Annual Meeting

Presidents Message

Welcome to the 42nd annual meeting of the Academy of Operative Dentistry. I cannot overstate what an honor and privilege it has been to serve as your president this past year of this most distinguished organization.One of the definitions of life is change, and in that regard this academy is no exception. Last year we got a double dose of change in our venue move from the south end of Michigan Ave to the much more desirable north end, and from a Thursday/Friday format to a Monday/Tuesday program. It was not without some trepidation that our Council made this difficult decision for the future health and longevity of our organization, but it was the correct one.

Being at the Westin feels like coming home. Twenty-three years ago I attended my first Academy of Operative Dentistry meeting at the Westin. Fresh out of dental school, it was at this meeting that I rubbed shoulders with very well known and accomplished dentists who were eager to build on their already polished skills and vast knowledge. I realized then that excellence in dentistry is a life long learning endeavor. The knowledge gained at the Operative Academy and the exceptional individuals that congregate in Chicago each year, has affected me and the way I practice dentistry in a positive way more than any other organization.

Not many meetings meet Monday/Tuesday. Last year we were a little unsure not only how that would affect turnout but also how it would affect those in private practice. Not only was there no dip in attendance compared to previous years, a few mentioned that returning to work on a Wednesday for a short week was more desirable than facing a full week after a few hectic days in Chicago.

Congratulations to this year’s recipient of the Hollenback Prize Dr. Max Anderson and to this year’s recipient of the Award of Excellence, Dr. Gerald Denehy. Both honors are well deserved and long overdue.

I would like to thank to Dr. Dan Chan our president-elect and his essay committee. They have put together another very well rounded and outstanding program of clinically relevant topics from esthetics, ceramics, bonding, resorptive lesions and cast gold to the cutting edge of research involving stem cells and the creation of replacement teeth. Thanks to Dr. Michael Cochran our vice president who had the difficult task of selecting our table clinicians from the pool of applicants. Special thanks to Dr. Jeffrey Platt, editor and Dr. Tim Carlson, managing editor, the reviewers and all the people that work on the Journal of Operative Dentistry who continue to put in countless hours to keep the journal one of the most cited publications in dentistry. Finally, I would be remiss if I did not thank two of the hardest working members of our organization, Dr. Rich Stevenson our secretary and Dr. Joel Wagoner our treasurer, who work year round to keep this organization afloat and running smoothly.

Again welcome members and guests to the 42nd annual meeting of the Academy of Operative Dentistry. Please enjoy the next two days of learning and camaraderie.


Paul Hasegawa, DDS

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Essay Program

Monday Essay program

8:30 – 9:30
Dr. Betsy Bakeman
“Perio-Restorative Interface”

9:30 – 10:30
Dr. Rick Schwartz
“Sorting Out Tooth Resorption: Diagnosis, Prognosis and Management”

10:30 – 11:00

10:55am – 12:00 pm
The 30th Buonocore Lecturer
Dr. Paul Sharpe
Craniofacial Development and Stem Cell Biology, Dental Institute, Kings College London
“Tooth development, dental stem cells and the creation of biological replacement teeth”

1:45 – 2:45
Dr. Ariel Raigrodski
“The Role of Zirconia Implant Abutments in the Esthetic Zone”

2:45 – 4:15
Dr. Ed McLaren
“Ceramic Update-2013”

Tuesday Essay Program

8:30 – 9:30
Tucker Lecture of Excellence
Drs. Warren Johnson and Richard Tucker
“What Can Gold do for you and your patients”

9:30 – 10:30
Dr. John Wataha
“The ABC’s of Restorative Material Safety”

10:30 – 11:00

11am – 12:00
Dr. Frank Tay
“How to improve the longevity of resin-dentin bonds”

Stand-by Clinician

Dr. Bruce Small
“Top ten clinical tips for excellence in operative and restorative dentistry”

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Schedule and Room Assignments




Meeting Room


Sunday, 2/24/13 7:45am-9:00am Operative Journal Board Huron A 2
Sunday, 2/24/13 9:00am-11:55am AOD Executive Council Ontario 2
Sunday, 2/24/13 10:00am-11:55am ABOD Executive Council Erie 2
Sunday, 2/24/13 12:00pm-2:00pm ABOD Luncheon/Annual Meeting Lincoln Park 3
Sunday, 2/24/13 2:00pm-4:00pm AAGFO Executive Council Erie 2
Sunday, 2/24/13 2:00pm-5:00pm CAMBRA Millennium Park 3
Sunday, 2/24/13 2:00pm-2:30pm Scientific Sessions Committee Parks Boardroom 3
Sunday, 2/24/13 2:30pm-3:30pm CMD Committee Meeting Huron A 2
Sunday, 2/24/13 3:00pm-4:00pm Journal Editorial Board Marquette Park 3
Sunday, 2/24/13 3:00pm-6:00pm Registration Superior East 2
Sunday, 2/24/13 4:00pm-5:00pm Founders Fund Trustees Meeting Parks Boardroom 3
Sunday, 2/24/13 5:00pm-6:00pm Research Committee Meeting Washington Park 1 3
Monday, 2/25/13 7:00am-4:30pm Registration Superior East 2
Monday, 2/25/13 7:00am-8:00am New Member’s Breakfast Ontario 2
Monday, 2/25/13 7:00am-8:20am Opening Session Reception Great Lakes Foyer 2
Monday, 2/25/13 8:30am-4:00pm General Session Great Lakes Grand Ballroom 2
Monday, 2/25/13 12:00pm-1:45pm Luncheon / Hollenback Prize Michigan Ballroom 2
Monday, 2/25/13 4:15pm-6:30pm C.O.D.E. Meeting Ontario 2
Monday, 2/25/13 6:30pm-9:00pm Gala Reception Michigan Ballroom 2
Tuesday, 2/26/13 7:00am-5:00pm Corporate Exhibits Great Lakes Foyer 2
Tuesday, 2/26/13 7:00am-8:00am Member’s Breakfast Michigan Ballroom 2
Tuesday, 2/26/13 7:40am-8:00am Annual Business Meeting Michigan Ballroom 2
Tuesday, 2/26/13 8:25am-4:30pm Registration Superior East 2
Tuesday, 2/26/13 8:30am-4:45pm General Session Great Lakes Grand Ballroom 2
Tuesday, 2/26/13 12:00pm-1:30pm Luncheon / Award of Excellence Michigan Ballroom 2

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Seated Table Clinic Program

Wellington Ballroom
Again this year, we are presenting four Seated Table Clinics

Management of Root Surface Caries in Extremely High Risk Elderly Patients
Increased severity and activity of root surface caries are often found in elderly patients with special needs. Invasive intervention needs to be applied with meticulous operative techniques and adequate material selection. In addition, non-invasive and preventive treatment regimens should be implemented to enhance the caries-resistance of this extremely caries-susceptible group.

Juhea Chang
Seoul, Korea

Clinical Guidelines for the Restoration of Severely Structurally Compromised Posterior Teeth: The Wall-paper Technique
This table clinic presents a new protocol for the restoration of structurally compromised teeth. The protocol is based on a fiber-reinforced and stress-reduced direct composite technique.

Simone Deliperi
Cagliari, Italy

Total-etch or Self-etch: Present Status of Dental Adhesives
There have been differing opinions whether total-etch or self-etch adhesive systems provide a significant clinical advantage. Both systems have indications and certain limitations. Newer dental adhesives are attempting to combine the positive aspects of both total-etch and self-etch systems.

Michael Goldfogel
Englewood, Colorado

Lesion Infiltration: Clinical Experiences with a Novel Technique
This table clinic will present an evidence-based review of resin infiltration, including the most recent data of U.S.-based clinical studies. Information regarding indication, application and clinical experiences will help you to determine ‘if and when’ lesion management by infiltration will be an effective management option for your patients.

Mathilde Peters
Ann Arbor, Michigan

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Table Clinic Program

Wellington Ballroom
Table Clinics

The Snowplow Technique – A Clinical Procedure for Improving Margins and Contours of the Class II Composite Resin Restoration
One of the problems with the placement of Class II composite resins is the adaptation of the resin to the gingival and proximal cavosurface margins without creating voids or porosity. A technique will be described which uses a combination of unfilled and filled resin to create an intimate interproximal cavosurface interface. The technique also helps produce an ideal proximal and marginal ridge contour as well as simplifying occlusal anatomy establishment.

Mohamed Abouelnaga
Iowa City, Iowa

Conservative Interim Restoration of Fractured Posterior Teeth with Direct Composite to Restore Function and Esthetics
Based on literature, the long term clinical outcome of large posterior composite restorations is less favorable than fixed indirect restorations. However, these conservative restorations can provide the patient with the time required to save for higher priced, definitive restorations while maintaining the function and esthetics of these teeth.

Sumitha Nazar Ahmed
Morrisville, North Carolina

Proximal Composite Resin Restorations Made Easy: A Simplified Protocol for Predictable Results of Form and Function
This table clinic will present a step-by-step protocol for restoring proximal caries with composite resin restorations in anterior and posterior teeth.

Rawa Alammari
Iowa City, Iowa

The Use of Direct Resin Composite Restorations as a Transitional Treatment for Severe Erosion and Occlusal Wear
This table clinic will present the use of direct resin composite restorations as a transitional treatment in patients with severe erosion and occlusal wear. The indications, limitations and appropriate clinical application will be addressed.

Lamya Alghaith
Iowa City, Iowa

Orthodontic Forced Eruption in the Esthetic Zone: An Alternative Treatment for Severely Fractured Young Maxillary Anterior Teeth
Treatment of anterior teeth presenting a crown/root fracture is usually challenging. Appropriate treatment planning is important in order to achieve a good outcome. This table clinic will provide and discuss a multidisciplinary alternative approach for treatment of severely fractured young maxillary anterior teeth.

Khalid Almulhim
Fort Lauderdale, Florida

Inhibition of the Polymerization of Polyvinylsiloxane in the New Latex-Free
Dentistry Era

The polymerization reaction of polyvinylsiloxane is inhibited when contaminated with chloroplatinic acid catalyst by sulfur compounds found in latex products. There is also a popular misconception among clinicians that the powder in the latex gloves is the cause for this inhibitory process. The aim of this table clinic is to evaluate how the effect on polymerization of a polyvinylsiloxane impression material is affected when it is in direct contact with different latex and latex-free products on the market.

Silvia Amaya-Pajares
Chapel Hill, North Carolina

Provisional Implant Restoration and Gingival Control in Anterior Esthetic Implants
Anterior implant restorations are some of the most esthetic and technically sensitive restorations we provide. This table clinic will present, through a series of cases, a step-by-step technique for provisionalization and impression taking that allows you to convey to the lab, the emergence profile and gingival contour you have developed.

Fernando Astorga
Chapel Hill, North Carolina

Using the Diagnostic Mock-up to Improve the Predictability of Porcelain Veneers: A Clinical Report
This table clinic will present the use of a diagnostic wax-up and a direct diagnostic mock-up technique to plan, analyze and predict the outcome in a complex porcelain veneer case. The technique indications and appropriate clinical application will be addressed.

Karine Barizon
Aurora, Colorado

Tooth Preparation Excellence: The Role of Calibration Techniques in Achieving Consistency
Tooth preparation calibration for direct and indirect restorations may enable clinicians to produce restorations of the highest quality. An undesirable consequence of an improperly prepared tooth is early failure of the restoration, compromised esthetics and increased biomechanical risk; all of which may be prevented by proper calibration to verify that correct dimensions and parameters have been met. Several evaluation techniques will be presented which will enable the clinician to better evaluate whether optimal preparation parameters have been met.

Loveleen Brar
Beverly Hills, California

The Use of Polytetrafluoroethylene (PTFE) Tape on Implants: A Restorative Approach
This project describes a method in which polytetrafluoroethylene (PTFE) tape is used as a barrier to seal the screw access channel to protect the screw head of the abutment and crown screw in an implant-supported prosthesis.

Eduardo Cortes
Fort Lauderdale, Florida

Integrating Function and Esthetics with Direct Composites: A Predictable Approach
Direct composite resin materials have been successfully used to achieve high esthetics results for the restoration of anterior teeth. One of their common limitations is the risk of chipping due to the lack of integration of basic functional concepts in treatment planning. This table clinic will discuss the dynamic occlusal considerations prior to direct composites build-ups to improve eccentric movement paths thus achieving more stable and predictable results.

Carolina Garcia
Iowa City, Iowa

Large Proximal Composite Restorations: Placement Approaches Based on Contemporary Restorative Protocols
The split-increment horizontal technique is a simplified method for restoring large occlusal, proximal and cervical cavities; in which one or two diagonal cuts are made in each 2mm thick increment, splitting it into two or four triangular portions before light curing. The split-increment is then photo-cured, followed by filling each diagonal cut with the same composite resin shad and light-cured. This technique decreases the C-factor, minimizes the generation of shrinkage stress at adhesive interfaces and results in an improved marginal seal.

Khamis Hassan
Riyadh, Saudi Arabia

Guidelines for Ceramic Selection
This table clinic will discuss the features and possibilities of restorative ceramic materials recently introduced to the marked in order to select them appropriately for different situations.

Gilberto Henostroza
Lima, Peru

Non-invasive, Micro-invasive and Minimally Invasive Management Options for Caries Lesions
The period of opportunity for the non-surgical management of a progressing non-cavitated caries lesion by resin infiltration is brief and difficult to appreciate. Optimally timed infiltration management requires a measured examination of lesion progression over time. An on-going clinical protocol seeks to validate the efficacy of resin infiltration in the management of these lesions, determine the most reasonable moment of intervention and concurrently assess alternative minimally invasive (ART), non-rotary and rotary interventions when indicated.

Aubrey Hopkins
West Point, New York

Marginal Sealing of Cervical Cavities Extended onto the Root: A Comparison of Composite Placement Techniques
The marginal gap in composite restorations leads to penetration of bacterial fluids, molecules, and ions into the margins of restorations and results in post-operative sensitivity, discoloration, recurrent caries and pulpal complications. Among the efforts made to minimize leakage in Class V composite restorations is the use of incremental restorative techniques. Several such techniques were proposed and used, including the split-increment technique, with the objective of minimizing the consequences of polymerization shrinkage and achieving better marginal adaptation.

Salwa Khier
Riyadh, Saudi Arabia

An Evaluation and Adjustment Method for Natural Proximal Contacts of Crowns Using Diamond Dental Strips
Restoring natural proximal contacts is a critical factor to the success of indirect restorations. Despite its importance, proximal contact adjustment has been a common, long standing issue that remains unresolved in dental offices. Using diamond dental strips, the heavier proximal contacts can be determined, adjusted and crowns are seated ideally for patient comfort and functionality.

Daniel Kim
Vancouver, Washington

Simplifying Contact Formation in Anterior Teeth: The Pull-through Technique Revisited
A properly contoured contact is an essential component for an esthetic and functional restoration in the anterior dentition. This table clinic will demonstrate several ways of establishing a contact with direct resin composite. Special emphasis will be given to the pull-through technique.

So Ran Kwon
Loma Linda, California

Partial Caries Removal Techniques for the Management of Deep Dentinal Caries Lesions: Advantages and Limitations
Different partial caries removal techniques have been proposed for the treatment of deep dentinal caries lesions such as indirect pulp capping, stepwise excavation and ultraconservative caries removal. The clinical decision-making is controversial and challenging due to lack of understanding and misinterpretation. This table clinic will discuss the evidence-based rationale behind their use, indications, advantages, limitations and case selection criteria as well as the presentation of some clinical cases.

Paula Ortega Verdugo
Iowa City, Iowa

Bulk-filling Technique for Posterior Composite Restorations
This table clinic discusses the bulk-filling concept and presents its advantages and limitations. The different systems available on the market will be overviewed, highlighting the most important steps of each system.

Joseph Sabbagh
Beirut, Lebanon

2011 Paffenbarger Student Research Award Winner

Use of Bioactive and Nature-derived Agents for Root Caries
Remineralization: An In-vitro Study

Oligomeric proanthocyanidins (OPCs) are nature derived agents that have been shown to strengthen and reduce biodegradation rates of dentin matrices by multi-interactions with collagen and non-collagenous proteins In addition, bioactive molecules such as poly-aspartic acid (pAsp) play a major role in orchestrating the mineralization of collagen-based hard tissue. This study explored the synergistic effect of OPCs and pAsp on the remineralization of root caries using an artificial pH cycling and proteolyctic model to mimic the oral environment conditions.

Jongnok Jenny Lee
Chicago, Illinois

2012 Ralph Phillips Student Research Award Winner

MMP-inhibitory Properties of Benzalkonium Chloride: Effect on Interface

After different pre-treatments of the dentin surface involving Benzalkonium chloride, adhesive interface degradation was assessed by A) direct bond strength measurements and B) indirect measurements of collagen degradation in interfacial dentin.

Joo Hyung Kim
Buffalo, New York

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Award of Excellence, Dr. Gerald Denehy

The Academy of Operative Dentistry is pleased to present its 2013 Award of excellence to Dr Gerald E. Denehy. Dr Denehy is the consummate teacher and epitomizes the standards of excellence in teaching, mentoring and clinical practice.

Dr. Denehy graduated from Loma Linda University School of Dentistry in 1968 and received his Masters in Science in Operative Dentistry from the University of Iowa in 1970. He also received an honorary PhD from the University of Montreal. Dr. Denehy is a professor of Operative Dentistry and holds the Dr. Bob and JeriLee H. Williams Professorship in Restorative Dentistry. Dr Denehy was acting chair and then Chairman of the Department of Operative Dentistry at The University of Iowa College of Dentistry from 2001 till 2012. Aside from the Endowed Professorship, Dr Denehy’s teaching honors include six teacher of the year awards from dental students, the Gordon Christensen Lecturer Recognition Award, the Iowa Dental Educator of the Year Award and the ADA Golden Apple Teaching Award in 2005.

Dr. Denehy has over one hundred articles on operative dentistry. With Dr. James Fuller, Dr. Denehy co-author a very popular dental textbook book, Concise Dental Anatomy and Morphology, which is being used in many dental schools and has been translated into other languages. With waxing and anatomy as a building-block, Dr Denehy taught his students how to perform superb restorations. This concept is being carried on by one of his students, Dr Newton Fahl Jr, who is an internationally known speaker.

Dr. Denehy ‘s broad clinical experience and direction of research interests are primarily in the area of composite resins and dental bonding. In addition to his full time teaching responsibilities, he conducts a private practice devoted primarily to esthetic dentistry. Dr. Denehy is currently on the editorial board of four dental publications and serves as a reviewer for many more. He has worked with many dental manufacturers both as a consultant as well as in research projects. He has lectured widely both nationally and internationally on topics of composite resins and esthetics.

It would be an understatement to say that he has far-reaching influence in the field of Operative Dentistry. For thirteen years he was the director of the Graduate Program in Operative Dentistry at the University of Iowa. He served on 83 MS and PhD graduate student committees, many of those as chairmen. In 2011, the University of Iowa College of Dentistry held a two-day hands-on Operative Dentistry seminar in his name and many of his previous graduates came from all over the world to honor him. It shows their appreciation of Dr Denehy’s selflessness and dedication to teaching. He recognized that each student comes to the program with their unique experiences, challenges and goals. He appreciated each one and helped them grow and achieve their personal and professional goals. In particular he instilled in his students the desire for life-long learning and was a role model for a “great” teacher. Dr Deborah Cobb, his successor as Director of the Operative Dentistry Graduate Program, remembered him saying, “Students remember how you treat them even more than what you teach them” and “Always hope that your students become better than you”.

Dr John Reinhardt, also an Award of Excellence recipient, recounted his encounter with Dr Denehy’ during his first-ever job interview experience in 1977. He was asked to go to Dr. Denehy’s home with all of the department members as they planned to order-in pizza and watch the 1977 NCAA men’s basketball finals in their basement. He was impressed with the hospitality, camaraderie, and sincerity of the faculty, and especially Jerry and Jan Denehy’s generosity in hosting him and the others. That experience was way beyond his highest expectations for an “interview dinner.”

One of Dr Denehy’s students, Dr. Marianna Pasciutta, currently teaching at Nova, gave him a book of her photography of the Iowa experience with quotes reflecting her attitude towards him as a person and teacher. She entitled it: To Dr. Denehy: The Best Teacher I Ever Had. Another one of his students, Dr Michael Meharry at Loma Lina, commented ” Dr Denehy was totally engaging with his students and residents, being most gracious in sharing his expertise in Dentistry, sharing his home at thanksgiving and his passion for cycling on the weekends. He will always remain a dear and close friend.”

Indeed, Dr Denehy’s specific dental skills and knowledge made us a better dentist but it is his friendship and mentorship that shaped our lives. The Academy is honored to have Dr Denehy as a long-time member and it is with high esteem and affection that the academy presents the years award of excellence to this devoted professional.

Author – Dr. Dan Chan

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