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Table 1 Comparative study indicating specification differences between Syringe Micro Vibrator (SMV) and VibraJect®

From: Syringe micro vibrator (SMV) a new device being introduced in dentistry to alleviate pain and anxiety of intraoral injections, and a comparative study with a similar device

Specifications

VibraJect ®

SMV

Advantage of SMV

Attachment interface

Clip

Four flexible grasping positioning arms and concave shell contact surface

Firm grasping, efficient vibration conveyance, causes no restriction for the replacement of cartridge, applicable to all standard conventional syringes which compensates minute variations of different barrel diameters

Mounting angle on syringe barrel

Angular

Parallel

Most efficient contact, least clinician vision masking, least patient discomfort, allowing the clinician to rotate the syringe while in the mouth, if necessary

Vibration device

Eccentrically weighted shaft

Eccentrically weighted plate

Yield of uniform micro vibration, more precise localization of injection point

Vibration mode

High frequency

Ultra high frequency and ultra low altitude

Efficiently enhance patient pain reduction, and ease of clinician maneuver and accuracy during injection