Two independent studies have confirmed the effectiveness of the VibraJect Dental Needle Attachment to block the pain of dental injections. The first study by Fred Quarnstrom, DDS, et al. dealt with pain level comparisons resulting from usage of the Wand (Milestone Scientific) with those compared to usage of the VibraJect dental needle attachment.
The second study by Queens University statistically measured and compared the amount of pain reduction experienced by patients given block injections of local anesthesia using the VibraJect dental needle attachment with block injections given to subjects using conventional injection methods.
The following excerpt is from the first of these two studies by Quarnstrom.
“A study by Fred Quarnstrom (DDS, FASDA, FICD, FAGD, Diplomate, American Board of Dental Anesthesiology, Diplomate, National Board of Dental Anesthesiology), Sun Hee Bang-Pastore (DDS), Ruth Woldemicael (DMD) and David Chen (DDS) compared the VibraJect to a computer-controlled injection device to control pain for injection of local anesthesia.
“Nineteen injections were done with the Wand handpiece of the CompuDent system by Milestone Scientific and 17 with the VibraJect by VibraJect LLC. Twenty-four were maxillary infiltrations and 12 were mandibular blocks.
“Patients reported the level of pain for the needle piercing their tissue, the injection of solution and their overall evaluation of the injection. No difference was seen for piercing the tissue, injecting the solution or overall report of pain.”
This study’s conclusion stated: “This study tends to indicate there is little difference in the pain perceived by a dental patient when injected using the Vibraject as opposed to injecting with the Wand.”
The second study is from Queens University, Belfast, Ireland, and reveals the following findings.
The study was conducted on 400 patients and showed that VibraJect statistically reduced the amount of “pain from 4.6 to 1.7, which is a pain level never statistically achieved before VibraJect.”
According to the Queen’s University study:
Results: “Subjects receiving the conventional injection methods had a mean pain score of 4.6 (± 0.414) The VibraJect group had a mean pain score of 1.71 (±0.235) (P<0.05). Certain sites had larger decreases in the mean pain score using the VibraJect. These included the upper anterior segment infiltrations and lower right IDB injections.”
Conclusions: “The vibrating syringe attachment resulted in reduced pain levels on receiving intraoral injections.”
More information is available from ITL Dental.
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