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Gottfried SCHMALZ
DMD, PhD, Professor Dr, Dr. h.c.
Department of Operative Dentistry and
Periodontology Medicine Faculty, University Hospital Regensburg
D-93052 Regensburg, Germany
CV
PARTIAL CERAMIC CROWNS. ESTHETIC AND TISSUE CONSERVATIVE
RESTORATIONS – PART I: POSTERIOR TEETH
Gottfried Schmalz, DDS, Dr med dent, PhD, is the former chair and current professor at the Department
of Operative Dentistry and Periodontology, University of Regensburg, Germany. He is a member of many
scientific organizations and has won numerous awards, e.g. the Distinguished Scientist Award of the IADR and
the Award of Excellence of the European Federation for Conservative Dentistry. He is the editor of the book
‘Biocompatibility of Dental Materials’; he has authored 5 books and more than 260 publications listed in PubMed.
He has been Editor-in-Chief of “Clinical Oral Investigations”, since 1996 and Honorary Editor since 2016. Since
2016 he is chairman of ISO (International Organization of Standardization) Technical Committee 106: Dentistry.
His main scientific interests are material/tissue interactions, oral tissue regeneration and ceramic restorations.
Questions
What are the main reasons for PCCs failure?
qa.
qb.
qc.
qd.
Ceramic thickness less than 1 mm
Endodontic treatment
Subgingival location of approximal margin
Use of silicone polishers
What are the most important rules for a correct PCC cavity design?
qa.
qb.
qc.
qd.
Box preparation with as many as possible nearly parallel walls
No subgingival margin
Cavity oriented design with few parallel walls
Sharp edges inside the cavity to improve adhesion
What are the clinical advantages of reinforced silicate ceramics?
qa.
qb.
qc.
qd.
good esthetics
highest strength of all ceramics
most easily to handle
can be luted with glass ionomer cement
Which material is most suitable for luting reinforced silicate PCCs
qa.
qb.
qc.
qd.
Glass ionomer cements
Phosphate cement
dual curing resin-based composites
resin-modified glass ionomer cements
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