Comparative Effect of Incorporation of ZrO₂, TiO₂, and SiO₂ Nanoparticles on the Strength and Surface Properties of PMMA Denture Base Material: An In Vitro Study

Table 3

Wear test’s parameters.

Cold/hot bath temperature (5°C/55°C)	Dwell time (60 sec)
Vertical movement: 1 mm	Horizontal movement: 3 mm
Rising speed: 90 mm/s	Forward speed: 90 mm/s
Descending speed: 40 mm/s	Backward speed: 40 mm/s
Cycle frequency: 1.6 Hz	Weight/sample: 700 mg
Torque: 2.4 N.m