Table 1: Effect of pre-heating on studied variables.
Study | Degree of monomer conversion | Marginal adaptation | Flexural strength | Viscosity | Micro- hardness | Micro- leakage | Polymerization shrinkage |
Daronch, et al. [9] | ↑ | ||||||
Wagner, et al. [6] | ↓* | ||||||
Uctasli, et al. [3] | - | ||||||
Lohbaue, et al. [7] | ↑ | - | |||||
Saade, et al. [18] | - | ||||||
El-Korashy, et al. [10] | ↑ | ↑ | |||||
Lucey, et al. [14] | ↓ | ↑ | |||||
Fróes-Salgado, et al. [13] | - | ↑ | - | ||||
Choudhary, et al. [2] | ↑ | ||||||
Nada, et al. [8] | ↑ | ||||||
dos Santos, et al. [17] | ↓* | ||||||
Deb, et al. [5] | - | ↓ | - | ↑ | |||
Karaarsla, et al. [4] | - | ||||||
Ayub, et al. [15] | ↓ | ↑ | |||||
Calheiros, et al. [12] | ↑ | ||||||
Tauböck, et al. [19] | ↑ | ||||||
Yang, et al. [16] | ↓ | ||||||
Theobald, et al. [11] | ↑ | - |
↑: Increase; ↓: Decrease; -: No statistically significant difference; *: Under certain circumstances.