conventional and intraligamentary
dental syringes (and some disposable
syringes) and vibrates the needle at a
high frequency while injections are
administered.
Its effectiveness is based on the Gate
Control Theory of nerve function
proposed in 1965 by psychologists
Ronald Melzack and Patrick Wall. In
short, the theory suggests that nerve
endings sense vibrations first and then
cannot transmit feelings of pain. So the
vibrations essentially mask your
patients' discomfort, putting them at
ease during even the most dreaded
injections
Length Width Height
Inches: 6.2 2.35 113
MM: 156.4 59.8 28.9
Weight: 3 ounces