Bob Margeas

Dr. Bob Margeas

Named By DSM Mag as "The Dentist's Dentist"

Dr. Margeas was recently named on the "32 Most Influential People in Dentistry" by Incisal Edge Magazine. Click here to learn more!

Dr. Margeas graduated from the University of Iowa College of Dentistry in 1986 and completed his AEGD residency the following year. He is currently an adjunct professor in the department of Operative Dentistry at the University of Iowa. He is Board Certified by the American Board of Operative Dentistry. He is a Diplomate of the American Board of Aesthetic Dentistry, a Fellow of the Academy of General Dentistry, American Society for Dental Aesthetics and International Team of Oral implantologists (ITI). He has written numerous articles on esthetic and implant dentistry, and lectures and presents hands-on courses nationally and internationally on those subjects. He is currently the Editor in Chief of Inside Dentistry, on the Editorial Board of Compendium, and is a contributing editor to Oral Health in Canada. His memberships include OKU Honor Dental Society, American Academy of Esthetic Dentistry, and the American Academy of Restorative Dentistry. Dr. Margeas maintains a full-time private practice focusing on comprehensive restorative and implant dentistry in Des Moines, Iowa.

We were recently named Iowa's dentist for "Smiles for America". Click here to learn more!

Inside Dentistry

Golden Pen - Top Article Award
International College of Dentists

Practice Inspiration
Seattle Study Club Contributor

Publication & Patents


Provisional restorations for human teeth and method

RC Margeas, RL Nixon - US Patent 6,659,772, 2003 - Google Patents
The present invention relates to a method for preparing provisional veneers for human teeth. An impression matrix of the teeth-receiving provisional veneers is created and the teeth prepared by removal of the enamel to an appropriate depth. The impression matrix is then …

Predictable periimplant gingival esthetics: use of the natural tooth as a provisional following implant placement

RC Margeas - Journal of Esthetic and Restorative Dentistry, 2006 - Wiley Online Library
Maintaining the interdental papilla and bone height following implant placement has been a challenge for the restorative dentist. Bone resorption following anterior tooth extraction is common and often compromises the esthetics of the final restoration. The tissue must be …

Composite resin: a versatile, multi-purpose restorative material.

R Margeas - Compendium of continuing education in dentistry …, 2012 -
Introduced more than some 50 years ago, composite resin technology has simplified the manner in which clinicians practice restorative dentistry, offering greater predictability and improved physical properties. Decades of material science and laboratory development …

Keys to success in creating esthetic class IV restorations

RC Margeas - Journal of Esthetic and Restorative Dentistry, 2010
Wiley Online Library Patient demand for esthetic dentistry with minimally invasive procedures has resulted in the extensive use of freehand bonding of composite resin to anterior teeth. 1 Preservation of remaining tooth structure and using as much enamel to bond to have made the procedure …

[PDF] Material and clinical considerations for full coverage all ceramic restorations

RC Margeas - Funct Esthet Restorative Dent, 2007 -
This article will examine and review the current all-ceramic alternatives available for restorative dentistry. Clinical factors that require consideration will also be examined, since these factors significantly affect clinicians' decision-making processes when choosing the …

[PDF] Where and when is it appropriate to place monolithic vs. layered restorations?

E McLaren, R Margeas, N Fahl - Inside Dentistry, 2012 -
Clearly, you should layer with higher-than- average esthetics in the anterior part of the mouth
as required. Mono lithic zirconia, while it is getting bet- ter, is still lacking as a dedicated mono- lithic material primarily because of the material's lack of translucency. 3M EPSE has refined …

[PDF] Treating Worn Dentition from Gastroesophageal Reflux Disease

RC Margeas, J Derango - Inside Dentistry, 2009 -
Bargen and Austin17 were the first to identify and report a relationship between dental erosion and gastrointestinal disturbances in a case report of a woman who presented with chronic vomiting. The erosion was primarily evident on the palatal surfaces of the anterior …

Oral health and pregnancy: a review

S Gajendra, JV Kumar - New York State Dental Journal, 2004 -
Susan & Peter Glacer Sally MacKenzie Periodontics Dr. jack Caton Plus Dr. Robert Eskov a Valerie Sternberg Smith Restorative Dr. Cerard Chiche Dr. William Dorfman Dr. John Kanca, l'11 Dr. Robert Margeas Dr. Ron Jackson Prosthodontics Drs …

[PDF] Reconsidering Glass-Ionomer

ML Pitel - Compendium, 2014 -
Peer-Reviewed and Indexed DENTAL NATERIAL TOPICS INCLUDE: Glass-Ionofiner Cemef Mark L. Pitel, DN1D Classifying Dental Ceramics Gregg A. Helvey, DDS PLUS: h. Case Report: Composite Resins tepor Provisional Robert Margeas, DDS s Restorations Research …

[PDF] Non Orthodontic Realignment Utilizing a Non Invasive Direct Resin Technique

R Margeas - Oral Health, 2003 -
Robert Margeas, DDS (?) the left central incisor. The midline embrasure also slanted to the  patients left side. Bilateral negative space was present distal to the cuspids. The anterior  open bite bilaterally of the laterals and cuspids was caused by a tongue thrust habit. A …

[HTML] CASE REPORT A 21year-old patient presented to the office with a small, 2mm midline diastema.(Fig. 1) It was her desire to have the space closed. The pre-op …

R Margeas -
Depending on operator preference, either tooth could be restored first. The left central  incisor was acid etched for 20 seconds with Ultra-Etch (Ultradent)(Fig. 3), rinsed and air  dried. The enamel exhibited an excellent etch pattern. No dentin was exposed; therefore …

[HTML] Self-Adhesive Resin Cements

R Margeas - sanfranciscosurgerydentist
The proliferation of dental cements on the market today makes it important for dentists to have a solid understanding of their capabilities and indications. The wrong cement or the wrong technique can easily lead to problems ranging from postoperative sensitivity to …

Immediate Extraction and Placement of an Implant.

RC Margeas - Journal of Cosmetic Dentistry, 2015 -
Implants have become a common restorative option and clinical research has shown the benefits of immediate provisionalization in the maintenance of papilla and the development of an ideal emergence profile. This article offers clinicians another option for immediate …

A Cost-Effective Solution for a Provisional After an Extraction in the Anterior Maxilla.

RC Margeas - Journal of Cosmetic Dentistry, 2016 -
A number of treatment options, ranging from Maryland bridges, to fixed partial dentures, to implants, are available for the replacement of a missing anterior tooth. Reinforcing composite resin with glass fibers significantly improves the material's mechanical properties …

[PDF] Use of the natural tooth as a provisional after immediate implant placement

R Margeas -
Provisionalization for immediate-placed implants using the patient's existing tooth can enhance the final esthetic outcome if certain steps are followed. If the natural tooth is intact and can be used as a provisional, the emergence profile can be very similar to the …

COMMENTARY. alternative treatment procedure in the case of fractured abutment of adhesive bridge: a clinical report

R Margeas - Journal of Esthetic and Restorative Dentistry, 2011 - Wiley Online Library
… Journal of Esthetic and Restorative Dentistry. COMMENTARY. alternative treatment procedurein the case of fractured abutment of adhesive bridge: a clinical report. Robert Margeas DDS Adjunct Professor, University of Iowa, School of Dentistry, Department of Restorative Dentistry …

[PDF] Immediate Implant Placement and Provisionalization in the Esthetic Zone Using the Patient's Tooth

RC Margeas -
A Straumann standard diameter 4.1-mm implant (Institut Straumann AG; US Distributor,  Straumann USA) with a 4.8-mm collar was inserted, and Bio-Oss (Osteohealth Company), a naturally porous bone-grafting material, was placed around the implant (Figure 2). Stability …

[HTML] View Current Issue

RC Margeas -
Figure 19 The treatment plan consisted of placing full-coverage leucite-reinforced glass-ceramic restorations on the two central incisors and conservative veneers on the two lateral incisors to correct the fractures and create an ideal orthodontic r

MI Paste

R Margeas - Oral Health, 2006 -
In order for the caries process to begin, there must be a series of demineralization/ remineralization events involving enamel and dentin. The process is initiated by the
dissolution of tooth mineral (demineralization) by organic acids (lactic and acetic) produced …


RC MARGEAS - 2014 -
Minimally invasive dentistry is a buzz phrase that means different things to many clinicians. One dentist may think a three quarter porcelain veneer is conservative, where another believes it is too destructive of tooth structure. During the last several years, technological …

How to get better bulk fill results

R Margeas - 2017 -
Conclusion The overall result of this case is a reliable restoration that took minimal time and effort, while also satisfying the patient. As bulk fill composite procedures continue to grow in popularity, it is more important than ever to use efficient and esthetic products that will keep …

[PDF] The Challenges of Traditional Materials

R Margeas -
Conventional resin cements have been a popular choice in the past, albeit a technique-sensitive one. Because traditional resin cements typically necessitate the use of a bonding agent, it is not uncommon for the material to penetrate the dentin tubules and result in post …

COMMENTARY. closure of diastema and gingival recontouring using direct adhesive restorations: a case report

RC Margeas - Journal of Esthetic and Restorative Dentistry, 2009 - Wiley Online Library
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[HTML] San Francisco dental implant

R Margeas - sanfranciscodentalimplant …
The proliferation of dental cements on the market today makes it important for dentists to have a solid understanding of their capabilities and indications. The wrong cement or the wrong technique can easily lead to problems ranging from postoperative sensitivity to …

[PDF] Ideal material for both anterior and posterior restorations.

RC Margeas -
Opalescence Boost 38% is perfect for patients who want whiter teeth immediately, because it delivers visible results in about an hour. The convenient syringe-to-syringe chemical activation process ensures product freshness and saves patients from the discomfort of …

[PDF] Nonorthodontic Realignment Using a Noninvasive Direct Resin Technique

RC Margeas -
case without the preparation, but the conservative nature of doing this case was more important than removing healthy tooth structure. The treatment involved direct composite veneers on the right first bicuspid, cuspid, and lateral incisor. The mesial incisal embrasure …

[HTML] Provisionalization Using the Patient's Extracted Tooth

R Margeas -
Replacement of a single anterior tooth is an extremely challenging procedure. The interdisciplinary team must evaluate numerous objective and subjective factors when
determining the appropriate restorative method. This article reviews different treatment …

[PDF] The Creation of Soft Tissue Emergence Profile With a Long Term Ribbond THM Provisional: Case Report

DDS Leendert Len Boksman… - 2008 -
Leendert (Len) Boksman DDS, BSc, FADI, FICD and Robert (Bob) Margeas DDS show high survival rates and can be recommended for use. 5, 6 As well, the insertion of Ribbond inside the cavity has a positive effect on fracture strength of endodontically treated molar teeth with …

[PDF] Mineral Trioxide Aggregate (MTA): Its History, Composition, and Clinical Applications

JC Galicia -
… Risk Assessment: Promoting Periodontal Health Deborah M. Lyle, RDH, BS, MS Patient-Specific Abutments for Anterior Maxillary Implants Christopher D. Ramsey, DMD; and Karina F. Leal, DMD Special Report: Composites/Matrix Bands/ Curing Lights Robert Margeas, DDS …

Alternative treatment procedure in the case of fractured abutment of adhesive bridge: a clinical report

FA Şanal, AU GÜler, U İnan… - Journal of Esthetic and …, 2011 - Wiley Online Library
… 00404.x. This article is accompanied by commentary, “Alternative Treatment Procedure in the Case of Fractured Abutment of Adhesive Bridge: A Clinical Report”
Robert Margeas, DDS, DOI 10.1111/j.1708‐8240.2011.00405.x …

Rehabilitation of Ellis Class III Fracture using IPS E. max Full Coverage Crown: A Case Report.

R Takvani, A Takvani - Clinical Dentistry (0974-3979), 2017 -
… J Dent. 2014 Feb;42(2):199-209. 2. Edward A. McLaren, DDS | Robert Margeas, DDS |Newton Fahl, Jr., DDS, MS. Question: Where and when is it appropriate to place
monolithic vs. layered restorations? Inside Dentistry. 2012 Aug;8(8) …

Adverse Local Anesthetic Reaction: Confirming the Cause.

EYW Wong - Ontario Dentist, 2009 -
… Robert Margeas Restorative James McKee Prosthodontics Elliott Mechanic Restorative Alan Milnes Paediatric Dentistry Elliot Moskowitz Orthodontics Michael Nemeth CPR Trey Petty Geriatrics Lisa Philp Practice Management Jeffrey Rouse Prosthodontics Michael Saso …

[PDF] Le naufrage du Titanic: le rôle de la dentisterie dans l'identification d'un «enfant inconnu»

KC Titley, BR Pynn, R Chernecky, GV Kulkarni… - JADC, 1982 -
… Susan & Peter Glacer Sally MacKenzie Restorative Dr. Gerard Chiche Dr. William Dorfman Dr.John Kanca, III Dr. Robert Margeas Dr. Ron Jackson Endodontics Dr. Donald Yu PeriodonticsDr. Jack Caton Dr. Robert Eskow & Valerie Sternberg Smith Prosthodontics Drs …

[HTML] View Current Issue

J Syrop -
Getting paid in the healthcare reform era.

Non-invasive method of making a tooth veneer

H Silverman - US Patent 9,877,800, 2018 - Google Patents
A non-invasive method for making a tooth veneer from composite resin material for a patient's tooth without tooth reduction, enamel removal or any invasive tooth preparation, comprising thesteps of transferring an amount composite resin material on the patient's tooth without prior …


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