Poster Presentations

The ADM 2021 Abstract Portal is now CLOSED


Abstract submission open: March 30, 2021
Abstract submission deadline: May 31, 2021
Preliminary Acceptance Notification: July 6, 2021
Pre-Registration Deadline for Presenters: July 20, 2021
Final Acceptance: August 6, 2021

Click here to view poster presentation guidelines: Poster Presentation Guidelines

*Poster Presentation certificates will be sent by email after the meeting

The abstracts of the past ADM Meetings have already been published on a special issue of Dental Materials. Click here to see the publication.

2021 Paffenbarger Posters – Finalists

  1. Calcium Silicate Loaded-Porous Chitosan Scaffold for Pulp-Dentin Complex Regeneration. M.L. Leite* 1, C. Anselmi 1, I.P.M. Soares 1, A. Manso 2, J. Hebling 1, R.M. Carvalho 2, C.A. De Souza Costa 1 (1 São Paulo State University, Brazil, 2 University of British Columbia, Canada).
  2. Optimization of Mechanical Properties of Electrospun PLGA/SEP/HAp Based GTR/GBR Membrane. L. Kalluri *1, J.A. Griggs 1, A.V. Janorkar 1, R. Chandran 1, X. Xu 2, Y. Duan 1 (1 University of Mississippi Medical Center, Jackson, USA; 2 School of Dentistry, Louisiana State University Health, New Orleans, USA).
  3. Effect of Dental Implant Design Parameters on Its Fatigue Limit. M. Satpathy* 1, R.M. Jose 1, M.J. Sinclair 1, Y. Duan 1, A. Della Bona 2, J.A. Griggs 1 (1 University of Mississippi Medical Center, Jackson, USA; 2 University of Passo Fundo, Passo Fundo, Brazil).
  4. Prevention of Alveolar Bone Loss of Colocasia Esculenta Varnish. S.J. Shin* 1, S.H. Moon 2, S.H. Oh 1,2, J.M. Bae 1,2 (1Department of Dental Biomaterials, College of Dentistry, Wonkwang University, Iksan, Korea; 2Institute of Biomaterials & Implant, Wonkwang University, Iksan, Korea).
  5. Photocatalytic Activity and Antibacterial Behavior of Polyaniline-Doped Titanium Oxide Layers. Aya Ali*1, A Janorkar1, M Marquart2, J Griggs1, J. Bumgardner3, M Roach1 (1Department of Biomedical Materials Science, University of Mississippi Medical Center; 2 Department of Microbiology and Immunology, University of Mississippi Medical Center; 3 Biomedical Engineering, University of Memphis).
  6. Deterioration of composite restorations in tooth wear patients: translational approach. V.P. Lima * 1,2, L.A.M.J. Crins 2 , E.M. Bronkhorst 2, N.J.M. Opdam 2, Jan L. Ruben 2, Marie-Charlotte D.N.J.M. Huysmans 2, Bas A.C. Loomans 2, R.R. Moraes 1 (1 Federal University of Pelotas, Brazil, 2 Radboud University Medical Center, the Netherlands).
  7. Durability of Cell Adhesion Peptides Coatings for Dental Implants. He *, N. Fischer, C. Aparicio (Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, Minneapolis, USA).
  8. Polycaprolactone/Nano-Hydroxyapatite Nanofibrous Scaffold as a Cell Homing-Based Therapy. I.P. Mendes Soares*, C. Anselmi, M.L. Leite, F.A. Kitagawa, R.A.O. Ribeiro, C.A. De Souza Costa, J. Hebling (School of Dentistry, São Paulo State University (Unesp), Araraquara, Brazil).

2021 List of Marshall Abstracts

  1. Fracture Toughness and Fractal Dimension of Two Dental Glass-Ceramics. K.S. Jodha* 1, N. Kaur 1, S.M. Salazar Marocho 1, J.J. Mecholsky Jr. 2, S.T. Lirette 3, Y. Duan 1, J.A. Griggs 1 (1 Biomedical Materials Science, University of Mississippi Medical Center, Jackson, USA; 2 Materials Science and Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, USA; 3 Data Science, University of Mississippi Medical Center, Jackson, USA).
  2. Fatigue-Crack Propagation in Thermosetting Polymers with Self-Healing Capability. A.P.P. Fugolin*, M. Logan, J.L. Ferracane, C.S. Pfeifer (Oregon Health & Science University, Portland, USA).
  3. Exploring the Inclusion of Photosensitive Compounds on Methacrylate-Based Resin Properties. P. Comeau*, J. Burgess, N. Malekafzali, N. Rezqi Qomi, A. Manso (University of British Columbia, Oral Health Sciences, Vancouver, Canada).

2021 List of Poster Abstracts


18-Month Clinical Evaluation of Universal Adhesive Applied in No-Waiting Technique. RAM Almeida*, FSF Siqueira, A. Reis, MWC Ferreira, MC Bandeca, AFM Cardenas, AD Loguercio (Ceuma University, Dentistry, Sao Luis, Brazil).

Influence of Bromelain and Biosilicate on Adhesive Bond Strength. R Geng Vivanco*, FCP Pires-De-Souza (University of Sao Paulo, Brazil).

Hydrofluoric-Acid Etching: Successful Pretreatment of Resin-Composite Block with Universal Adhesives. M Koko* 1,2, J Tagami 1, A Abdou 3 (1 Tokyo Medical and Dental University, Japan, 2 University of Dental Medicine, Myanmar, 3 Faculty of Dentistry, King Salman International University, El Tur, South Sinai, Egypt).

Bonding Durability of Resin Cement to Lithium Disilicate Glass Ceramics. S. Murakami*, K. Hirano, F. Fusejima (GC Corporation, Japan).

Use of EDTA on Bond of Adhesives to Fluorotic Enamel. LP Muniz*; PHA Moreira, MWC Ferreira, A Reis, AFM Cardenas, AD Loguercio, FSF Siqueira (Centro Universitário Do Maranhao- Uniceuma, São Luis, Brazil).

Six-Year Bond Stability of Universal Adhesives with Alternative Dentin Treatments. R.V. Rodrigues*, T. Al-Mosuli, R.M. Carvalho, A.P. Manso (Faculty of Dentistry, University of British Columbia, Vancouver, Canada).

Bond Strength of Multi-Step Adhesive at Intraoral Repair. M. Yamashita*, K. Hirano, F. Fusejima (GC Corporation, Tokyo, Japan).

Ceramic-Dentin Cement Thickness: Bond Strength and Residual Stress. J.P.M. Tribst, G.C.Santos, L.S.S. Leite, L.R. Silva-Concilio, K. Baroudi, M. Amaral* (University of Taubate, Brazil).

The Effect of Yttria Content on The Bond-Strength to Zirconia. Z. Badr* 1, B. Alsayed 2, B. Rodgers 2, T. Sulaiman 2 (1 College of Dentistry, University of Nebraska Medical Center, Lincoln, USA, 2 Adams School of Dentistry, University of North Carolina, Chapel Hill, USA).

Analysis of Indirect Restorative Materials Submitted to Different Conditioning Protocols. M.E. Queiroz 1*, G.Q. Lima 1, H.B.S. Sahyon 1, A.T. Maluly-Proni 1, J.A. Delben 2; P.H. Dos-Santos 1. (1 Department of Dental Materials and Prosthodontics, State University of Sao Paulo “Julio De Mesquita Filho” (UNESP), Aracatuba, Sao Paulo, 2 Department of Dentistry, Western Parana, State University, Cascavel, Parana).

Effect of Sintering and Etching Protocols of Zirconia-Reinforced-Li2O-SiO2 on Bond-Strength. M. Moeeduddin Ahmed*, D. Nathanson, F. Yuwei (Boston University Henry M Goldman School of Dental Medicine, Boston, USA).


Ceramics- Indirect Restorations

Effect of Roughness on Flexural Strength of Dental Lithium-Disilicate. M.F.R.P. Alves* 1 , B.G. Simba 2, M.H.V. Fernandes 1, C.N. Elias 3, J.E.V. Amarante 4, C. Santos 1,2 (1 University of Aveiro, Department of Materials and Ceramic Engineering, Aveiro, Portugal; 2 State University of Rio De Janeiro, Materials and Processes Laboratory, Resende, Brazil; 3 Instituto Militar De Engenharia, Materials Science Department, Rio De Janeiro, Brazil; 4 Fluminense Federal University, Institute of Health of Nova Friburgo, Nova Friburgo, Brazil).

Functionalization of Restorative Dental Glass-Ceramics with Bactericidal Properties. I.O. Baptista * 1; F.R. Gomes 2; S. Vieira 3, S. Ferreira 3, M.F.R.P. Alves 1; C. Santos 1,4; M.H.F. Fernandes 1 (1 Department of Materials and Ceramic Engineering, University of Aveiro, Aveiro, Portugal; 2 Department of Physics, University of Aveiro, Aveiro, Portugal; 3 Department of Medical Sciences, University of Aveiro, Aveiro, Portugal; 4 Materials and Processes Laboratory, State University of Rio De Janeiro, Resende, Brazil).

Structure-Property Relationships in Lithium-Based Glass-Ceramics. R. Belli* 1, J. Lubauer 1, K. Hurle 2, H. Peterlik 3, U. Lohbauer 1 (1 Dental Clinic, Friedrich-Alexander-Universität Erlangen-Nürnberg (Fau), Erlangen, Germany; 2 Department of Materials Science, Friedrich-Alexander- Universität Erlangen-Nürnberg (Fau), Erlangen, Germany; 3 Faculty of Physics, Universität Wien, Vienna, Austria).

Systematic Review of In Vitro Enamel Wear Behavior Opposing Zirconia. S. Butler*1, Y. Torrealba2, B. Linke2, C. Flores-Mir2, J.A. Nychka2 (1 Western University, Canada, 2 University of Alberta, Canada).

Characterization and Thickness Effect on Fatigue Strength of Translucent Zirconias. LVC Arcila* 1, NC Ramos 2, TMB Campos 3, KS Dapieve 4, LF Valandro 4, RM Melo 1, MA Bottino 1 (1 Institute of Science and Technology, Säo Paulo State University (Unesp), Brazil, 2 Säo Francisco University (USF), Brazil, 3 Technological Institute of Aeronautics, Brazil, 4 Federal University of Santa Maria (UFSM), Brazil).

Morphological and Functional Evaluation of Biogeneric and Human CAD-Designed Crown. Y. Chen*, E.H.N Pow, J.K.H.Tsoi (Faculty of Dentistry, the University of Hong Kong, Hong Kong, China).

Zirconia Strength Degradation Post Air-Abrasion of Veneering and Cementation Surfaces. S. Butler 1, B. Linke 2, N.C.F. Moreira* 2, J.A. Nychka 3 (1 Schulich School of Medicine & Dentistry, Western University, London, Canada; 2 School of Dentistry, University of Alberta, Edmonton, Canada; 3 Department of Chemical and Materials Engineering, School of Dentistry, University of Alberta, Edmonton, Canada).

Understanding Stress Development on Bilayer Lithium Disilicate Crowns.C.S. Rodrigues* 1, S. Dhital 2, J. Kim 2, M.S. Wolff 3, L.G. May 4, Y. Zhang 3 (1 Sao Paulo State University, Brazil, 2 University of Connecticut, USA, 3 University of Pennsylvania, USA 4 Federal University of Santa Maria, Brazil).

Crystallization Effect on Biaxial Flexural Strength of Lithium Disilicate. B.F. Vallerini* 1, A.T.H. Olivi 1, M.O.C. Villa-Boas2, E.D. Zanotto 2, L.A.P. Pinelli 1 (1 School of Dentistry, Sao Paulo State University, Araraquara, Brazil; 2 Materials Engineering, Federal University of Sao Carlos, Brazil).

Coulometric Karl-Fischer-Titration of Water in CAD/CAM Chairside Composites. A.L. Faria-E-Silva* 1,2, L. Heckel 2, R. Belli 2, U. Lohbauer 2 (1 Federal University of Sergipe, Brazil; 2 Friedrich-Alexander University of Erlangen-Nurnberg, Germany).

Spark Plasma Sintered Zirconia-Mica Glass-Ceramics for Dental Restorations. S. Gali* 1, S. Gururaja 2, S. Srikari 1 (1 M.S. Ramaiah University of Applied Sciences, India, 2 Auburn University, USA).

Low Power Laser Debonding: Ceramic Thickness and Irradiation Time. J.J. Ulloa*, S. Salazar Marocho (Department of Biomedical Materials Science, University of Mississippi Medical Center, USA).

Properties of Printed Zirconia Using Suspension Enclosing Projection Stereolithography. J. Lensing* 1, F. Fei 2, W. Pei 3, X. Song 2, E.C. Teixeira 1 (1 Operative Dentistry, University of Iowa, Iowa City, USA; 2 Engineering, University of Iowa, Iowa City, USA; 3 Biostatistics, University of Iowa, USA).

Toughening Via Revitrification of Li2SiO3 Crystals in Obsidian. J. Lubauer * 1, K. Hurle 2, M.R. Cicconi 3, A. Petschelt 1, U. Lohbauer 1, R. Belli 1 (1Dental Clinic 1, Friedrich-Alexander-Universitat Erlangen-Nurnberg (Fau), Germany; 2 Department of Mineralogy, Friedrich-Alexander-Universitat Erlangen-Nurnberg (Fau), Germany; 3 Department of Materials Science, Friedrich-Alexander-Universitat Erlangen-Nurnberg (Fau), Germany).

Effect of Polishing Technique on Flexural Strength of Glass-Ceramics. E. Maier*, P. Gebler, P. Lammers, R. Belli, U. Lohbauer, M. Pelka (Dental Clinic 1, Friedrich Alexander University Erlangen-Nurnberg, Erlangen, Germany).

Fatigue Resistance of CAD/CAM and 3D-Printing Provisional Restorations. G. Marchesi* 1, M. Buda 2, R. Di Lenarda 1, M Cadenaro 1, G Turco 1 (University of Trieste, 2 Private Practice, Treviso, Italy).

Time-Lapse for Cutting Different Zirconia Thicknesses for Removal Purposes. S.M. Salazar Marocho*, H. Raymond, L. R. Corby (University of Mississippi Medical Center, USA).

Resin-Cement Coating on Machined Glass-Ceramic: Effect on Flexural Fatigue Strength. M.M. May 1, L.G. May* 1, R.V. Machry 1, S. Fraga 2, L.F. Valandro 1, G.S. Andrade 3, M.A. Bottino 3 (1 Federal University of Santa Maria, Br; Federal University of Rio Grande Do Sul, Br; 3 Sao Paulo State University, Br).

Different Mechanical Properties of Sand Blasting on Co-Cr Alloys. C. Mouchtaridi* 1, M. Munoz Hernandez 2, M.M. Multigner Dominguez 2, M.D. Escalera Rodriguez 2, J. Rams 2, T. Papadopoulos 1, I. Eleftheriadis 3 (1 National and Kapodistrian University, Greece, 2 University Rey Juan Carlos, Spain, 3 Tver Medical State University, Russia).

Fracture Strength of CAD/CAM CROWNS after Enhancement of Occlusal Morphology. L. Passos*1, S. Butler 2, Y. Torrealba 3, B. Linke 3 (1 School of Dentistry, Federal Fluminense University, Nova Friburgo, Brazil, 2 Schulich School of Medicine & Dentistry, Western University, London, Canada, 3 School of Dentistry, University of Alberta, Edmonton, Canada).

Dental Ceramic Surface Properties after Resin-Cement Removal by Burning Technique. N. Pesun*, I.J. Pesun, B. Vallerini, R. Franca (University of Manitoba, Department of Restorative Dentistry, Winnipeg, Canada).

Experimental Silver-Infiltrated Glass on Biofilm Formation in Monolithic Zirconia. R.M.M. Marinho 1, C.F. Sabino* 1, T.M.B. Campos 2, A.O.P. Ribeiro 1, A.C. Silva 1, F.C. Ribeiro 1 (1 Department of Dental Materials and Prosthodontics, Sao Paulo State University, Sao Jose dos Campos, Brazil; 2 Aeronautics Institute of Technology, Department of Physics, Sao Jose dos Campos, Brazil).

Compression Force Testing of Veneer-Retained Anterior Fixed Partial Dentures. C. Serban* 1, C.C. Cotca 2, I.D. Bretean 1, C. Zaharia 1, M.L. Negrutiu 1, M. Rominu 1, L. Marsavina 3, C. Sinescu 1 (1 Victor Babes University of Medicine and Pharmacy Timisoara, Romania; 2 Washington Institute of Dentistry and Laser Surgery, USA; 3 Polytechnic University of Timisoara, Romania).

Evaluating Boron-Doped Soda Lime Glass for Finishing Dental Zirconias. A.C. Silva1*, C.S. Rodrigues 1, T.M.B. Campos 2, R.M.M. Marinho 1 (1 Department of Dental Materials and Prosthodontics, Sao Paulo State University (Unesp), Sao Jose Dos Campos, Br, 2 Physics Departament, Aeronautics Technological Institute (Ita), Br).

CAD/CAM Fabricated Prosthetic Accuracies of Lithium Disilicate Glass Ceramic Block. K. Yamamoto*, Y. Hokii, F. Fusejima (GC Corporation, Research & Development Department, Tokyo, Japan).


Resin-Composites/ Direct Restoratives

General Knowledge of Light-Curing Units Among Dentists in Saudi Arabia. H.M. Alhaddad*, D.E. Meisha, R.A. Al-Bukhary, A.O. Al-Zain (King Abdulaziz University, Faculty of Dentistry, Saudi Arabia)

Degree of Conversion of Resin-Based Luting Materials Containing Alternative Photoinitiators. S.Amini*, P.Pereira, J.F.Roulet, D.Oliveira, M.G.Rocha (University of Florida, Restorative Dental Sciences Department, Florida, USA)

Method for Detecting Calcium Phosphate Mineralization on Dental Composites. K. Ames* (Pulpdent Corporation, Watertown, USA).

Dentine Conditioners: Effect on Collagen Probed by Amide-III Peak Analysis. K. Anastasiadis*, G. Eliades (Department of Biomaterials, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece).

Recycling of High-Viscosity Glass Ionomer Cement Plastic Capsules. A Borges*1, TFR Mota, 1, EB Nascimento, 1, DSS Padovini 2, FM Pontes 2
(1 Bauru School of Dentistry, University of São Paulo – FOB/USP, Brazil; 2 School of Sciences, São Paulo State University, Brazil).

LC-MS/MS Analysis of Aged Dental Composites in Simulated Oral Environment. C. Chen* 1, K. Mondal 1, P. Vervliet 2, A. Covaci 2, E.P. O’Brien 1, J.L. Drummond, K.J. Rockne 1, L Hanley 1 (1 University of Illinois Chicago, USA; 2 University of Antwerp, Belgium).

Root Dentin Conditioning with Self-Etch Primers Incorporated with Nanochitosan. P.C. Dias*, I.B. Quero, J.J. Faraoni, R.G. Palma-Dibb (Department of Restorative Dentistry, University of Sao Paulo, Ribeirao Preto, Brazil).

Mechanical Properties of Dental Composites Aged in Different Media. K. Mondal*, E.P. O’Brien, C. Chen, J.L. Drummond, L. Hanley, K.J. Rockne (University of Illinois, Chicago, USA).

New 3D Volume-Based Method for Assessing Composites Curing Depth. S.Gummadi*, J.-F. Roulet, M.G. Rocha (Department of Restorative Dental Sciences, University of Florida, Center of Dental Biomaterials, Gainesville, Fl, USA).

Experimental S-PRG-Filled Composites Prevent Secondary Caries: An In-Vitro Biofilm Model. A. C. Ionescu* 1, F. I. Buhus 1, P. Delvecchio 2, V. Zambelli 2, G. Bellani 2, E. Brambilla 1 (1 Surgical and Dental Sciences, Universita degli Studi Di Milano, Milan, Italy, 2 School of Medicine and Surgery, Universita degli Studi Di Milano Bicocca, Monza, Italy).

Battery Sustainability of Budget Light-Curing Units. H.MH. Jamalellail*1, I.M. Alshehri1, R.B. Price2, A.O. Al-Zain1 (1Faculty of Dentistry, King Abdulaziz University, Saudi Arabia; 2Dalhousie University, Canada).

Development of Antibacterial Resin Composites Containing a QAC-Based Monomer METAC. T. Kohno*, R. Tsuboi, H. Kitagawa, S. Imazato (Osaka University Graduate School of Dentistry, Suita, Osaka, Japan).

Mechanical Properties and Ion-Release of Composites Containing Functionalized Calcium Phosphates. B.M. Fronza*, R.A.A. Silva, B.F. Vela, M.D.S. Chiari, R.R. Braga (Department of Biomaterials and Oral Biology, University of Sao Paulo, Brazil).

Characterization of Experimental Short Fiber Reinforced Dual-Cure Core Build-Up Composites. E. Sailynoja* 1,2, S. Garoushi 1, P. K. Vallittu 1 and L. Lassila 1 (1 University of Turku, Turku, Finland; 2 Stick Tech Ltd Member of GC Group, Turku, Finland).

Aesthetic Properties of New Hybrid Resin Block for CAD/CAM. T. Shoji*, D. Machida, F. Fusejima, T. Kumagai (GC Corporation, Tokyo, Japan).

Ceramic Composites from Bovine Hydroxyapatite, ZrO2@SiO2, and Hydroxyapatite + 15%ZrO2@SiO2. L.J. Azevedo-Silva* 1, D.S.S. Padovini 2, B.M Ferrairo 1, P.R. Minim 1, L.F. Pereira 1, R.S. Monteiro 1, C.A. Fortulan 3, P.N. Lisboa-Filho 4, A.F.S. Borges 1 (1 School of Dentistry, University of Sao Paulo, Bauru, Brazil; 2 Department of Chemistry, Sao Paulo State University, Bauru, Brazil; 3 Department of Mechanical Engineering, University of Sao Paulo, Sao Carlos, Brazil; 4 Department of Physics, Sao Paulo State University, Bauru, Brazil).

Development of a Magnetic Nanorod Reinforced Bulk Fill Composite. Z.R. Skeete* 1, A.R. Ochoa 2A, J.P. Bequette 1, R.A. Brothers 1, T.T. Yuan 2A, Cdr N.J. Hamlin 3, Col W. Lien 2B, Lt T.A. Truong 3, Lcdr T.A. Sarwar 1, Dr. John W Simecek 1 (1 Naval Medical Research Unit at San Antonio, Craniofacial Health and Restorative Medicine, USA; 2 United States Air Force 59Th Medical Wing, a Diagnostic and Therapeutic, B Dental Research and Consultation Service; 3 Naval Medical Leader & Professional Development Command, Research Department, USA).

Wear Resistance Comparison of 3D-Printed Composite Resin Material. D. Takada*, T. Kumagai, F. Fusejima, T. Ueno, S. Kariya (GC Corporation, Leuven, Belgium).

Effect of Synthesis Parameters on Calcium Phosphates Phases and Properties. R.B. Trinca*, R.R. Braga (School of Dentistry, University of Sao Paulo, Sao Paulo, Brazil).

Biomimetic Approach to Evaluate Mineralization of BAG-Containing Resin Composite. J. Yun 1, K.-H. Tsui 1, Z. Fan 2, M.F. Burrow 1, J.P. Matinlinna 1, Y. Wang 3, A. Fok 4, J.K.H. Tsoi* 1 (1 University of Hong Kong, Hong Kong, 2 Hong Kong University of Science and Technology, Hong Kong, 3 Sun Yat-Sen University, China, 4 University of Minnesota, USA).

Polymerization Behavior of Composites at Top/Bottom of Cavity Using Different-Lights. T. Yoshikawa* 1, A. Sadr2 (1 Tokyo Medical and Dental University, Japan, 2 University of Washington, USA).

Optimization of a NIR/Photo-rheometer for Measurement of Gel-Point Conversion in Dental Resins. S. Lewis*, A. Tahayeri, J. Ferracane, C. Pfeifer (Oregon Health & Science University, Biomaterials & Biomechanics, Portland, USA).

Improvement of methacrylate-based polymer networks by introduction of catechol moieties. D Fu*, CR Szczepanski (Chemical Engineering and Material Science. Michigan State University, Michigan, USA).



The Wistar Rat: A Study Model for Dental Implant Biomaterials? B.A. Akon-Laba*, K.A.P.Kouassi, J.A.L.Okon, G.T.Maroua , Y.S.I. Ohoukou (Universite Felix Houphouet Boigny, Abidjan, Ivory Coast).

Fatigue of Ti6Al4V Dental Implants Produced by AM and Machining. F. Oliveira*, C. Elias, A. Paula (Military Institute of Engineering (Ime), Rio De Janeiro, Brazil).

Efficiency of Natural Ingredients in Teeth Whitening. A Barbuzan-Caragyov*, T. Hajaj, A. C. Cojocariu, S. Christa, C. Sinescu (University of Medicine and Pharmacy Victor Babes Timisoara, Timisoara, Romania).

The Effectiveness of Different Types of Varnishes in Preventing Erosion. T Kolus1, E Coban*2, H Yalcinkaya2, H. Esra Ulker2, E Durmus2, I Celik2 (1 Faculty of Dentistry, Karamanoglu Mehmetbey University; 2 Selcuklu, Turkey).

Mechanical Strength Evaluation of a Printed Dental Space Maintainer. B. Dragos* 1, C.S. Neagu 1, A.G. Balica 1, A.C. Cojocariu 1, A. Cernescu 2, D.C. Bratu 1, M.L. Negrutiu 1, C. Sinescu 1 (1 Faculty of Dental Medicine, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania; 2Department of Mechanics and Strength of Materials, Faculty of Mechanics, Polytechnic University of Timisoara, Romania).

Efficacy of Popular Natural Dental Bleaching Products on Dental Enamel. C.R.O. Maciel, R.F.L. Oliveira *, A.A. Amorim, F.C.P. Pires-De-Souza (University of Sao Paulo, Ribeirao Preto, Brazil).

Can Smoking affect Whiteness and Color Change after At-Home Bleaching? R.R. Silva*, J.P De Carli, O.E. Pecho, K.F. Collares, A. Della Bona, J.R. Dieterich-Jnior, P. Benetti (Dental School, University of Passo Fundo, Passo Fundo, Brazil).

Clinical Efficacy of GIC in Treatment of Occlusal MIH Lesions. R.G.Palma-Dibb* 1, L.A. Pion 1,J.J.Faraoni 1, I.B.Quero 1, D.Hesse 2, A.M. Queiroz 1, F.M. Carvalho 1 (1 FORP/University of Sao Paulo, Brazil, 2 Academisch Centrum Tandheelkunde Amsterdam, Nederlands).

18-Month Clinical Performance of a Bulk-Fill Composite Resin In NCCLS. L.Guerra* 1, N.F. Coelho Neta 1, V.C. Ruschel 1, C. L. Baratieri 1, R. Walter 2, S. Monteiro Junior 1 (1 Federal University of Santa Catarina, Brazil; 2 University of North Carolina, USA).

Colour Stability of Maxillofacial Silicone Mixed with Nano-Sized Anti-Microbials. M.M. Hatamleh* (Luminus Technical University College).

Optimal Intrusive Force for a Periodontally Compromised Tooth: A Finite Element Analysis Strategy. O.M. Ugarte* 1, P.M. Cattaneo 2 , M.G. Roscoe 1, I.G. Onone 1, G.C. Dominguez 1 , J.B.C. Meira 1 (1 University of Sao Paulo, Br; 2 Melbourne Dental School, Dentistry and Health Sciences, Au).

Calcium Phosphate Nanoparticles Tested on Hydroxyapatite Discs as Remineralising Agent. Z.H. Mok* 1, P. Mylonas 2, R. Austin 1, G. Proctor 1, N. Pitts 1, M. Thanou 1 (1 King’s College London, UK, 2 Cardiff University, UK).

Can S-PRG Fillers in Different Vehicles Act on Dentin Permeability? V. Mosquim* 1, R.A. Caracho 1, L.S. Condi 1, G.S. Zabeu 1,2, G.A. Foratori-Junior 1, A.C. Magalhaes 1, L. Wang 1 (1 Bauru School of Dentistry, University of Sao Paulo, Bauru, Brazil; 2 School of Dentistry, Unisagrado University Center, Bauru, Brazil).

Reduction of EPS Formation in S. Mutans Biofilms. PMC Scaffa 1, MY Icimoto 2, A Kendall 1, APP Fugolin 1, X Cao, CS Pfeifer* 1 (1 Oregon Health & Science University, Biomaterials & Biomechanics, Portland, USA; 2 Department of Biophysics, UNIFESP-EPM, Sao Paulo, Brazil).

Temporal Assessment of Remineralizing Demineralized Enamel Using Micro-Computed Tomography.  M. Salah*1 2, T. Abdelrehim 1, K.A Nour 2, M.N Anwar 2, H.P Chew 1, (1 University of Minnesota, USA, 2 Operative Dentistry, University of Ain Shams, Egypt).

Effect of Zinc Chloride on HOCl-Smear Layer Deproteinization. K. Sanon* 1, T. Hatayam 1, K. Hosaka 2, Y Shimada 1, M Nakajima 1 (1 Tokyo Medical and Dental University, Japan, 2 Tokushima University, Japan).

Polyvinylsiloxane Impression Dimensional Stability after Immersed in Chloroxylenol 5% Solution. N. Mohamed Kutty, W. Siswomihardjo*, S. Sunarintyas, D.A. Widyasrini (Department of Dental Biomaterial, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta, Indonesia).

Toothbrushing Duration Effect on Streptococcus Mutans Adherence to FRC. S. Vayravel, S. Sunarintyas*, W. Siswomihardjo, D.A. Widyasrini (Department of Dental Biomaterial, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta, Indonesia).

Wear of Orthodontic Aligners Through Simulated Bruxing. B. Van Heel*, A. Fok, (University of Minnesota, MDRCBB Minneapolis, USA).

Validation of Finite Element Models for Orthodontic Aligners. N. Ye * 1, B.E. Brown 2, S.C. Mantell 1, A.S. Fok 3, Y.C. Heo 3, B.E. Larson 2 (1 Mechanical Engineering, University of Minnesota, Minneapolis, USA; 2 School of Dentistry, University of Minnesota, Minneapolis, USA; 3 Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, Minneapolis, USA).

Effect of Bevels on Load Capacity of Composite-Restored Incisors. L. Zhang* 1,2, N. Ye 2, W.A. Aregawi 2, A. Fok 2 (1 Wuhan University, China, 2 University of Minnesota, USA).

Designing Molecules for S. mutans Biofilm Inhibition. A. J. Kendall*, P. M. C. Scaffa, M. Logan, S. Lewis, H. Wu, J. L. Merritt, J. Ferracane, and C. S. Pfeifer. (Oregon Health & Science University, Biomaterials & Biomechanics, Portland, USA).

Evaluation of Different Coronal Sealing Materials on Endodontically Treated Teeth. T. Hajaj*, M.L. Negrutiu, M. Rominu, A. Barbuzan, C. Sinescu (Victor Babes Medicine and Pharmacy University Timisoara, Timisoara, Romania).

Verification of Collagenase Production by Streptococcus Mutans. A. Zhang*, B. Lima, R. Chen, W. Aregawi, J. Rudney, C. Aparicio, A. Fok (School of Dentistry, University of Minnesota, Minneapolis, USA.