Contents

F. Lutz Opening Address	3
List of Speakers	5
W.H. Mörmann Symposium Review	17
Oral Presentations	23
W.H. Mörmann and I. Krejci Clinical and SEM Evaluation of CEREC Inlays after 5 Years in Situ	25
V. Stachniss and R. Stoll Computer Technologies in Dentistry Computerized Restorations: CEREC® and Other Methods	33
D. Nathanson Factors in Optimizing the Strength of Bonded Ceramic Restorations	51
P. Lambrechts, S. Inokoshi, B. Van Meerbeck, G. Willems, M. Braem, and G. Vanherle Classification and Potential of Composite Luting Materials	61
M. Thordrup, F. Isidor, and P. Hørsted-Bindslev CEREC or Laboratory Ceramic Inlay?	91
D.G. Grossmann Structure and Physical Properties of DICOR-MGC Glass-Ceramic	103
R. Stoll and V. Stachniss Adjusting and Finishing the Occlusal Morphology of CEREC Restorations Using Rotating Instruments	177
B. Haller and N. Hofmann Postrestorative Sensitivity: Mechanisms and Prevention	127
A.D. Wilder Clinical Considerations of CEREC Restorations	141
N. Hofmann and B. Haller Shear Strength of Composite Luted to Ceramics. A Comparison of Three Ceramic Materials	151
B. P. Isenberg, M.E. Essig, K.F. Leinfelder, and L.A. Mueninghoff Clinical Evaluation of marginal Integrity: Two Year Results	163
F.Geiger The CEREC-Method in a Small Town Private Practice	173
R. Schwärzler Experience with CEREC Restorations in a Zurich Private Practice	173
S.W. Carlsen A Practice Specialized on CEREC-Restorations in Denmark	183
S. Siervo, B. Bandettini, R. Siervo, and G. Valenti CEREC Veneers on Natural Teeth and Prosthetic Elements: Italian Experiences	189
J.-M. Leobold Experiences with the CEREC-System in a French Private Practice	209
B. Reiss and W. Walther Survival Analysis and Clinical Evaluation of Cerec Restorations in a Private Practice	215
R. W. Nash The Use of the CEREC in an All-Cosmetic Practice	225
J.M. Beuttell The Change from Gold Inlays (Metallics) to CEREC Ceramics	229
J.-F. Roulet and M. J. Noack Tooth Colored Conventional and CEREC Restorations - Claim and Reality	233
I. Krejci Wear of CEREC and Other Restorative Materials	245
J.R. Kelly, H. Lüthy, A. Gougoulakis, R.L. Pober, and W.H. Mörmann Machining Effects on Feldspathic Porcelain and Glass Ceramic: Fractographic Analysis	253
J.A. Sorensen, S.P. Avera, and T.J. Torres A Comparison of Marginal Fidelity and Microleakage of Posterior Restorative Systems	275
U. Pallesen Clinical Performance of CEREC-Restorations: Restorative Procedure and Preliminary Results	285
B. Klaiber and B. Haller CEREC vs Amalgam, Gold, Direct/ Indirect Composite and Ceramic Restorations	301
M. Bergmann Swedish Experiences with the CEREC Method	309
M. Heners and W. Walther Computers in Dentistry	315
Poster Presentations
K.W. Bieniek and A. Peters (1) Clinical Evaluation of Ceramic Restorations Machined by a CAD/CAM Technique	327
G.P. Conforti (2) The CEREC System: Twenty Months of Clinical Practice	337
D. Magnusson, A. Odén, and I. Krystek (3) Clinical Evaluation of CEREC Restorations	339
T. Otto (4) Clinical Evaluation and Experience with the CEREC-Method in a Private Practice after Two Years	347
W.H. Mörmann, T. Götsch, I. Krejci, F. Lutz and F. Barbakow (5) Clinical Status of 94 CEREC Ceramic Inlays after 3 Years in Situ	355
A. Peters and K.W. Bieniek (6) SEM-Examination of the Marginal Adaptation of Computer Machined Ceramic Restorations	365
M.A. Baumann and D. Heidemann (7) Biocompatibility of Dental Inlay Ceramics	373
P. Bronwasser, W.H. Mörmann, I. Krejci, and F. Lutz (8) Marginal Adaptation of Adhesive CEREC-Dicor-Inlays	377
H.P. Fett, W.H. Mörmann, I. Krejci, and F. Lutz (9) Marginal Adaptation of CEREC-MOD Inlays in Vitro	393
V. Holz, S. Bouillaguet, B. Ciucchi, and J. Holz (10) In Vitro Study of Proximal Adaptation and Seal of CEREC Inlays	405
M.B. Hürzeler, H.P. Fett, and W.H. Mörmann (11) Marginal Adaptation of CEREC-CAD-CAM Inlays After 3.5 Years	417
P. Magne, D. Dietschi, and J. Holz (12) An in Vitro Evaluation of the Marginal and Internal Seals of CEREC Overlays	425
G. Schmalz, E. Reich, and M. Federlin (13) Gap Dimension and Marginal Quality of CEREC Inlays in Vitro	441
M. Ueberschär, A. Bialek, and W. Geurtsen (14) Proximal Sealing of CEREC-Inlays with Two Different Bonding Agents	453
R. Zuellig-Singer and I. Krejci (15) Adhesive Inlays: Effects of Cement Curing Modes on Dentin Bonding	461
N. Martin and N. Jedynakiewicz (16) Surface Analysis of CEREC Restorations Finished by Different Techniques	469
G.M. Lösche and J.-F. Roulet (17) A Coloured Varnish to Improve the Finish of CEREC Inlays	481
M. Besek, W.H. Mörmann, and F. Lutz (18) CEREC CAD-Chairside Assistant: Efficacy of Trained vs Non-Trained Personnel	491
G. Saliger, W. Paulus, U. Orth, G. Stein, I. Liebald, and J. Pfeiffer (19) C.O.S. 2.0 - From the Optical Impression to the Inlay	503
B. Meyer, W.H. Mörmann, and F. Lutz (20) Optimizing Powder Application for CEREC Optical Impressions	511
N. Jedynakiewicz and N. Martin (21) Management of Complex Compound Cavities by Multi-Part CEREC Restorations	525
A. Gougoulakis, W.H. Mörmann, F. Barbakow, and F. Lutz (22) Retention Rate and margin Adaptation of CEREC Veneers in Vitro	537
M.E. Essig, B.P.Isenberg, K.F. Leinfelder, and P.R. Liu (23) In Vitro Evaluation of CEREC Veneers Utilizing Standardized Preparation Template	547
A. Cerutti, S. Salgarello, and G. Gastaldi (24) Marginal Adaptation of CEREC Veneers in Vivo	553
M. Roznowski, B. Bremer, and W. Geurtsen (25) Fracture Resistance of Human Molars Restored with Various Filling Materials	559
R. Hickel, K.-H. Kunzelmann, E. Nkenke, and A. Petschelt (26) Bond Strength of Five Bonding Composite Resins to CEREC-CERAMIC®	567
K.-H. Kunzelmann, R. Hickel, C. Meister, and A. Petschelt (27) Curing Contraction in Thin Bonding Composite Resin Layers	577
A. Fehér, W.H. Mörmann, and F. Lutz (28) Efficiency of CEREC Grinding Wheels	591
H. Lüthy, A. Gougoulakis, O. Loeffel, and W.H. Mörmann (29) Flexure Strength of Computer Machined Ceramics	603
H. Lüthy, M. besek, and W.H. Mörmann (30) Influence of Surface Treatments on Flexure Strength of Computer Machined Ceramics	613
R. Hahn and C. Löst (31) Grinding of Ceramic Materials	623