Related Experiment Video
Updated: Feb 13, 2026

CO2-Lasertonsillotomy Under Local Anesthesia in Adults
Published on: November 6, 2019
Single tooth anesthesia versus conventional anesthesia: a cross-over study.
Vincenzo Campanella1, Antonio Libonati2, Roberto Nardi1
1Department of Clinical and Translational Medicine, Tor Vergata University of Rome, Rome, Italy.
The Wand Injection System (Single Tooth Anesthesia) significantly reduced injection pain and post-operative discomfort compared to conventional dental anesthesia. This electronic device offers a more comfortable experience for patients undergoing dental procedures.
Area of Science:
- Dental Anesthesiology
- Medical Device Technology
Background:
- Conventional dental anesthesia delivery can cause patient anxiety and discomfort.
- Electronic anesthesia devices aim to improve patient experience and injection efficacy.
Purpose of the Study:
- To compare the Wand Injection System (Single Tooth Anesthesia - STA) with conventional anesthesia methods.
- Evaluate differences in pain, post-operative discomfort, anesthetic efficacy, and patient anxiety.
Main Methods:
- A cross-over study involving 80 adults comparing STA with conventional syringe anesthesia.
- Utilized a split-mouth design, Visual Analogue Scale (VAS) for pain/discomfort, and physiological monitoring.
- Analyzed differences in pain, efficacy, vital signs, and anxiety using Student's t test.
Main Results:
- The Wand (STA) showed significantly lower mean injection pain and post-operative discomfort.
- No significant difference in anesthetic efficacy was observed between the two methods.
- Physiological parameters (heart rate, blood pressure) were lower during STA administration.
Conclusions:
- Single Tooth Anesthesia (STA) using the Wand Injection System reduces pain and discomfort.
- STA is a viable and potentially more comfortable alternative to conventional dental anesthesia techniques.
Related Concept Videos
General Anesthesia: Overview
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
Stages of General Anesthesia
Local Anesthetics: Clinical Application as Spinal Anesthesia
Local Anesthetics: Clinical Application as Epidural Anesthesia
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia
One of the advantages of...
Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia

