T. Gerhardt

In vitro dentinal surface reaction of 9.5% buffered hydrofluoric acid in repair of ceramic restorations: a scanning electron microscopic investigation.

S. Szep, D. Heidemann, M. Ruppel, 2000, The Journal of prosthetic dentistry.

Preparation of severely curved simulated root canals using engine-driven rotary and conventional hand instruments

S. Szep, D. Heidemann, T. Gerhardt, 2001, Clinical Oral Investigations.

Comparison of microleakage on one composite etched with phosphoric acid or a combination of phosphoric and hydrofluoric acids and bonded with several different systems.

C. Schulz, S. Szep, D. Heidemann, 2003, The Journal of prosthetic dentistry.

Comparative study of composite resin placement: centripetal buildup versus incremental technique.

S. Szep, D. Heidemann, T. Gerhardt, 2001, Practical procedures & aesthetic dentistry : PPAD.