What is the difference between magnetostrictive and piezoelectric scalar?
The motion of magnetostrictive and piezoelectric scalar is different. The magnetostrictive scalars use a metal stack to create an elliptical or curved motion vector that delivers energy around its tip. The piezoelectric scalar generates linear motion in the plane ellipse caused by the ceramic bar movement. For practicing clinicians, the important point is that the piezoelectric scalar need accurate positioning, because their linear movement in the handle inside and outside, will deliver effective means that only the tip of the lateral surface deposit is the energy for the removal. See table 1 for two different types of power scalers.
Can you describe the supplementary method of the dental instruments?
A complementary approach is based on the idea that manual instrumentation and power meters are not everything. Both of these instruments have significant advantages and can improve the curative effect of periodontal treatment when used in concert. Hand instruments have certain access restrictions, such as the bottom of a deep narrow pocket due to tissue expansion and the physical volume of traditional instruments. On the other hand, the ultrasonic scald can reach the bottom of the deep narrow pocket more easily with the appropriate tip. However, ultrasonic cues can sometimes be difficult to adapt to the bends, Outlines, holes and longitudinal sag, as almost all ultrasonic cues have a straight edge profile at the time of energy transfer. At their third end, the blade curvature of the hand-held device provides a sharp edge to participate in calculus and is consistent with the morphological contour of the root surface.
For patients with pockets or lots of calculus, complementary approaches can maximize efficiency. The method first USES ultrasound, has sufficient ability to remove a large amount of stone, and then USES the hand tool to cover the root contour, finally with a thin sharp ultrasonic knife to complete the qingchuang/rinse. If the patient is healthy and has very small pockets and/or concave roots contact, the instrument of the hand can be limited to the basic coverage of the proximal contour and furcations. If there are pockets, hand tools are an absolutely necessary auxiliary tool. The deeper the probe, the more obvious the contours are. The use of hand tools, such as minis and files, also makes it necessary to get to these difficult places. For tips on effective ultrasonic techniques, see the sidebar.
Q: what are the benefits of using ultrasound machines?
One of the advantages of ultrasound is ergonomic. Hand-held devices can cause severe musculoskeletal tension, fatigue and pain. Ultrasound machines have a much smaller nerve muscle. Another important gain is the ability of ultrasound to provide "super flushing" through sound flow and lavage. The ultrasonic scaler can flush and remove the smear layer (biofilm residues) left by hand equipment, so it is very effective and is the last step before being fired.
Ultrasonic scald is also very suitable for class ii artificial respiration, where the spiral is easy to proliferate. These areas are better managed by ultrasonic technology. Since the root fork of the root is easily punctured by the ultrasonic needle, this method is very sensitive, so the clinician should pay attention to the morphology of the root system and be careful not to perpendicular the tip to any surface.
Q: what are some common misconceptions about using power-driven devices?
Lack of energy can cause serious problems, thereby extending the time of infection. When using low power ultrasonic dental equipment fine tip, clinicians can not completely clear, inadvertently to mineralization of sediment surface smooth, so that they will be blown down, until you feel smooth. This smoothing allows the clinician to believe that the surface has been effectively cleaned up, but the surface of the surface of the surface of the pollutant still exists. The result is a rapid reconstruction of the surface biofilm in the process of polishing. A good tissue reaction can be seen from the baseline even in the case of less general bleeding, but local infections continue to develop when ulcers are formed.
Another misconception is that ultrasound scaling is "easy" and "fast". "Ultrasound machines are easier on the body, but it requires a high level of mental requirements and skills." Clinicians must stay focused to know which parts of the structure of the tooth are tested. They need to carefully control the positioning and movement of the instrument to keep the end of the 2mm tip in place, and the fine trajectory of energy transfer has covered the surface area under the gum. Because there is no visibility in the pocket, this requires a great deal of focus and visual root anatomy. In the case of proper execution, the use time of the ultrasonic instrument is the same as the manual instrument.
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