contra-angle

contra-angle

/con·tra-an·gle/ (kon″trah-ang´g'l) an angulation by which the working point of a surgical instrument is brought close to the long axis of its shaft.

contra-angle

[kon′trə·ang′gəl]
Etymology: L, contra, against + angulus, angle
an angulation by which the working point of a surgical instrument is brought close to the long axis of its shaft. It may involve two, three, or four bends, or angles, in its shank.

contra-angle (kän´trə-ang´gəl),

n more than one angle. An instrument having two or more offsetting angles such that the end of the instrument is kept within 3 mm of the axis of the shaft.
References in periodicals archive ?
Loud noises in the dental practice, such as rotating instruments, can cause stress for both the practice team and patients, hence the focus on decreasing the noise levels of the contra-angle handpieces and turbines.
The continuous curved blade, contra-angle scaler is designed to keep the optimal blade surface in direct contact with the tooth surface.
The brushes are available in a number of shank diameters, with long shanks for straight hand-pieces and short shanks for contra-angle hand-pieces, and in three shapes.
The F2 is used in conjunction with a 16: 1 reduction ratio contra-angle connected to an ATR Vision (ATR, Pistoia, Italy) motor which allows the reciprocating movement.
The brushes are made of natural stiff bristle, ensuring a long working life, and are available in three shapes: end shape, cup shape and wheel shape, with long shanks for straight hand pieces, and in three shapes with short shanks for contra-angle hand pieces.
The grinding tools were mounted in a commercially available contra-angle, the type C200L, line TI from Sirona (Bensheim, Germany), with a transformation of 1:5.
Rotary and abrasive tools (bur for straight and contra-angle handpiece); 15.
1x Compatible Replacement of contra-angle hand electric turbine including head 1x Compatible Replacement of straight hand electric turbine including
Micromotor with their respective handpiece and contra-angle is required.
In case the CS1 elevator doesn't guarantee a watertight system due to an inadequate mineralized bone (D3, D4) or implant site overpreparation, it will be necessary to use the CS2 elevator, inserted by an implantology contra-angle
Rigid fiber optic solutions are particularly well suited for use in dental instruments such as straight and contra-angle handpieces and polymerization units.
Our particular product highlights include our turbines, the handpieces and contra-angle handpieces, the diagnostics, the laser therapy, the surgical interventions, the treatment units as well as the multimedia, x-ray, dental technology and CAD/CAM.