نتایج جستجو برای: rotary ultrasonic
تعداد نتایج: 37706 فیلتر نتایج به سال:
he ionic conducting polymer gel film (ICPF) actuator, T which has advantages such as low driving voltage, high speed, and underwater motion, was discovered in 1992. This article presents a new actuator element using the ICPF which generates an elliptic motion, as used in ultrasonic motors, to drive objects by friction. A method of forming a pattern of ICPF on a membrane was developed for produc...
Aim: To evaluate the effectiveness of different irrigation solutions and ultrasonic activation of the irrigation solutions on the removal of calcium hydroxide (Ca(OH)2) from the simulated immature root canals after apexification. Materials and methods: One-hundred and one single-rooted teeth were used. The root canals were shaped with ProTaper rotary files up to F5. Simulation of roots with imm...
The radix entomolaris is an anatomical variation characterized by the presence of additional root located in distal-lingual region mandibular molars. An accurate diagnosis necessary to plan and institute effective endodontic therapy for teeth with this condition. aim report was present three cases management permanent first molars using contemporary technical resources. For diagnosis, periapica...
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