An increase in spatulation time and rate will _____ the setting time and _____ the rate of setting expansion.

Question

Quizplus · Accepted Answer

An increase in spatulation time and rate will shorten the setting time and increase the rate of setting expansion.The materials are spatulated by first incorporating the powder and water slightly and then vigorously wiping the mix against the sides of the bowl to force out air and ensure wetting of all the powder particles.Spatulation should continue for 1 minute at 2 revolutions per second until a smooth,homogenous mix with a glossy surface is produced.Many dental laboratories use mechanical spatulation with a vacuum device to reduce air bubbles and increase consistency and accuracy of mixing.

An Increase in Spatulation Time and Rate Will _____ the Setting