Related Experiment Video
Updated: Jul 6, 2026

07:42
Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
Published on: December 20, 2024
Obturation with heat and vibration: the DownPak device.
Stephen Cohen1, Louis H Berman
1Arthur A. Dugoni School of Dentistry, University of the Pacific, San Francisco, USA.
General Dentistry
|March 20, 2008
Summary
Successful endodontic treatment relies on precise canal preparation and three-dimensional obturation. A new technique using the cordless DownPak device with a warm plugger and vibration offers an efficient method for canal obturation.
Area of Science:
- Endodontic therapy
- Dental materials science
- Minimally invasive dentistry
Background:
- Successful endodontic treatment necessitates accurate diagnosis, thorough cleaning and shaping, and complete three-dimensional obturation of root canals.
- Current obturation techniques aim for optimal seal and minimal voids, but challenges remain in achieving consistent three-dimensional fill.
Purpose of the Study:
- To introduce and describe a novel endodontic obturation technique.
- To present the DownPak device as a tool for warm plugger/spreader delivery with vibration for canal obturation.
Main Methods:
- The article describes a new obturation technique.
- This technique employs a warm plugger or spreader.
- Delivery is facilitated by a single cordless device, the DownPak, incorporating vibration.
Main Results:
- The DownPak device facilitates the delivery of a warm plugger/spreader with vibration.
- This integrated approach aims to improve the three-dimensional obturation of root canals.
Conclusions:
- The described technique offers a potentially streamlined approach to endodontic obturation.
- The DownPak device may enhance the efficiency and effectiveness of achieving a three-dimensional canal fill.
Related Concept Videos
Vibrating Concrete
Mechanical vibrators are instrumental in compacting newly poured concrete within formwork and around reinforcements. This process is essential to eliminate trapped air pockets and establish a dense concrete mass. One widely used method is vibrating by internal vibrators, often referred to as a poker vibrator or immersion vibrator. It is rapidly inserted through the full depth of the freshly laid concrete and slightly extends into the layer below it (which remains in a plastic state). Consistent...
Suctioning the Oropharyngeal Airway
In preparing for oropharyngeal airway suctioning, a nurse must gather all necessary equipment, including a suction unit with tubing, a prepackaged suction kit, sterile gloves, water or saline for irrigation, a water-soluble lubricant, and additional personal protective equipment (such as a gown, mask, and goggles) to control infections.
After assembling the equipment, the nurse should practice hand hygiene and don appropriate PPE according to infection control guidelines to avoid the...
After assembling the equipment, the nurse should practice hand hygiene and don appropriate PPE according to infection control guidelines to avoid the...
Veneer
Veneer refers to a thin sheet of wood, typically produced to a thickness of about one-eighth of an inch or less. This material is crafted through various methods, the most common being rotary cutting. In this process, a log is mounted into a large lathe and spun against a knife edge, peeling off a continuous strip of wood as the knife penetrates deeper into the rotating log, creating a rotary-cut veneer.
Other veneering techniques include plain-slicing, quarter-slicing, and rift-slicing. These...
Other veneering techniques include plain-slicing, quarter-slicing, and rift-slicing. These...
