The correlation among gripping volume, insertion torque, and pullout strength of micro-implant
نویسندگان
چکیده
منابع مشابه
A comparison of screw insertion torque and pullout strength.
PURPOSE Pullout strength of screws is a parameter used to evaluate plate screw fixation strength. However, screw fixation strength may be more closely related to its ability to generate sufficient insertion because stable nonlocked plate-screw fracture fixation requires sufficient compression between plate and bone such that no motion occurs between the plate and bone under physiological loads....
متن کاملEffect of Pilot Hole Tapping on Pullout Strength and Insertion Torque of Dual Core Pedicle Screws.
OBJECTIVE To evaluate the influence of pilot hole tapping on pullout resistance and insertion torque of pedicle screws with a conical core. METHODS Mechanical tests using a universal testing machine were performed on pedicle screws with a conical core that were inserted into pedicles in the fifth lumbar vertebra of calves. The insertion torque was measured using a torque meter with a capacity...
متن کاملCorrelation of Fractal Dimension Values with Implant Insertion Torque and Resonance Frequency Values at Implant Recipient Sites.
PURPOSE Fractal analysis is a mathematical method used to describe the internal architecture of complex structures such as trabecular bone. Fractal analysis of panoramic radiographs of implant recipient sites could help to predict the quality of the bone prior to implant placement. This study investigated the correlations between the fractal dimension values obtained from panoramic radiographs ...
متن کاملIn vitro microstructural analysis of dental implants subjected to insertion torque and pullout test.
The change in the implant microstructure during handling may reduce the potential of surface treatment on the osteoinduction and, therefore, on the osseointegration. The aim of this study was to evaluate by energy-dispersive X-ray spectroscopy (EDX) the effect of insertion torque and pullout test on the microstructure of dental implants with different shapes. Four shapes of implants (n=8) were ...
متن کاملthe speech act of advice and the introvert/extrovert distinction among iranian efl university students
the aim of this study is to examine the difference between the introverts and extroverts in preferred advice-giving style. furthermore, it explores the difference between l1 (persian) and l2 (english) regarding the giving of advice for the extroverts and introverts separately. it investigates whether an extrovert or introvert gives advice in the same manner in his l1 (persian) and l2 (english) ...
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ژورنال
عنوان ژورنال: Journal of Dental Sciences
سال: 2020
ISSN: 1991-7902
DOI: 10.1016/j.jds.2020.07.005