Biomedical subjects

S J Robinson

Publications and source records attributed to S J Robinson.

56 records · Page 4Linked to original sources

PubMedDate not supplied

Measurement of oxide adherence to silver-free high-palladium alloys.

The purpose of this study was to test the adherence strength of oxides to some silver-free high-palladium alloys, and to compare the results to values obtained from Au-Pd and Ni-Cr metals. The results showed that the adherence strengths of the oxides were greater than the reported cohesive strength of opaque porcelain. This would indicate that the oxides formed on the alloys examined in this study are sufficiently adherent to their substrates to produce adequate porcelain bonds.

Analysis of Variance↗

PubMedDate not supplied

In vitro evaluation of the Thermafil technique with and without gutta percha coating.

To determine the sealing ability of the Thermafil technique with and without gutta percha on the plastic carrier, 40 maxillary incisors were divided into four treatment groups: (A) Thermafil with gutta percha on the carrier; (B) Thermafil without gutta percha on the carrier; (C) lateral condensation with standardize gutta percha; and (D) a single standardized gutta percha cone. Average leakage in groups A-D were 0.64 mm, 1.32 mm, 0.53 mm, and 0.72 mm, respectively. The only significant difference was between the Thermafil without gutta percha and the other three groups (p < 0.05).

Analysis of Variance↗