Traction test of temporary dental cements

Area of Science:

• Dental Materials Science
• Prosthodontics
• Biomaterials Engineering

Background:

• Classic self-curing temporary cements can impair the translucence of provisional restorations.
• There is a need to evaluate new dual-cure esthetic temporary cements for retention and translucence.
• This study compares the performance of dual-cure esthetic cements against traditional self-curing options.

Purpose of the Study:

• To investigate and compare the retention of five temporary cements using in vitro traction testing.
• To assess the impact of thermocycling on the retentive strength of temporary dental cements.
• To determine if dual-cure esthetic cements offer comparable or superior retention to conventional temporary cements.

Main Methods:

• Ten molars were prepared, and ten CAD-CAM provisional resin restorations were fabricated.
• Five temporary cements were tested: Dycal (D), Temp Bond (TB), Temp Bond Non Eugenol (TBNE) (self-curing), and Temp Bond Clear (TBC), Telio CS link (TE) (dual-cure esthetic).
• Samples underwent traction testing with and without thermocycling (190 cycles at 5-55°C).

Main Results:

• Telio CS link (TE) and Temp Bond Clear (TBC) demonstrated the highest traction resistance.
• Thermocycling negatively affected the resistance of all tested cements, with the exception of Temp Bond Clear (TBC).

Conclusions:

• Dual-cure esthetic temporary cements provide optimal bonding for provisional restorations.
• Temp Bond Clear (TBC) exhibits enhanced stability under thermal stress.
• These findings support the use of dual-cure esthetic cements for improved provisional restoration outcomes.