The harvesting and implanting of bone graft is a complicated expensive orthopaedic procedure. This study introduces unique designed hollow drill bit novel technique rotary ultrasonic drilling porcine to get precise hole for screw insertion can harvest cortical with the least debris generation. new diamond impregnated compared conventional surgical without providing vibrations. Also, variation i...

We report a significant advance in space robotics design based on innovation of 3D composite structures and piezoelectric actuation. The essence of this work is development of a new all-composite robotic manipulator utilizing rotary ultrasonic motors (USM). “MarsArmII“ is 40% lighter than a prior “MarsArmI” JPL design based in more massive, bulky hybrid metal-composite, joint-link system archit...

In this paper, the reliability allocation and index of overall cost rotary ultrasonic vibration-assisted EDM machine tool were studied. The failure rate each module can be accurately predicted by maximum entropy ordered weighted average algorithm so that corrected maintenance predicted. And effective control preventive costs achieved selecting best times under premise reliability. corrective re...

The aim to publish this case report is to emphasize the clinical challenges involved in endodontic treatment of rare dental anomaly like Taurodontism. Endodontic management of a taurodont tooth has been described as complex and challenging. Present case is an attempt to emphasize the challenges an Endodontist encounters while treating Taurodontism affecting the molars of permanent dentition. An...