Removal Torque
Mostrando 13-18 de 18 artigos, teses e dissertações.
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13. Evaluation of insertional torque and axial pull-out strength of mini-implants for orthodontic anchorage / Avaliação do torque de inserção e da força de arrancamento axial de mini-implantes para ancoragem ortodôntica
Introduction: The objectives of this study were to evaluate insertional torque of miniimplants (MI) for orthodontic anchorage, to compare MI axial pull-out strength at 0 (T0), 15 (T15) and 60 (T60) days after insertion, to determine initial and final cortical bone thickness, and to analyze the correlations among these variables. Methods: Sixty 1.6 x 6.0 mm M
Publicado em: 2006
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14. Estudo comparativo entre dois tipos de superficies de implantes cilindricos de titanio : analise histologica e biomecanica em tibia de coelhos
The purpose of the present study was the histological and biomechanical comparison of two types of surface in commercially pUfe titanium cylinders implants. For this study the titanium implants with 6 mm oflength and 3 regular V Shaped furrows, were inserted in the tíbial metaphysis of 8 New Zealand rabbits. The left tibia, of each animal, received 2 machin
Publicado em: 1998
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15. Removal Tools are Faster and Produce Less Force and Torque on the Helmet Than Cutting Tools During Face-Mask Retraction
Objective: To investigate the retraction time, forces, and torques applied to the football helmet during removal of the face mask with different face-mask removal tools.
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16. The essential light chain is required for full force production by skeletal muscle myosin.
Myosin, a molecular motor that is responsible for muscle contraction, is composed of two heavy chains each with two light chains. The crystal structure of subfragment 1 indicates that both the regulatory light chains (RLCs) and the essential light chains (ELCs) stabilize an extended alpha-helical segment of the heavy chain. It has recently been shown in a mo
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17. Relation between the specific H reflex facilitation preceding a voluntary movement and movement parameters in man.
In a reaction-time situation, the monosynaptic spinal reflex (H reflex) is facilitated before the onset of an electromyographic (e.m.g.) response. The aim of the present investigation was to study aspects of this facilitation. Human subjects were required to perform isometric plantarflexions of the foot in response to a visual stimulus. The movement was alwa
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18. Origin of the specific H reflex facilitation preceding a voluntary movement in man.
1. In a reaction time situation, the monosynaptic spinal reflex (H reflex) is facilitated before the onset of an electromyographic (EMG) response. The aim of the present investigation was to test if the facilitation can be attributed either to a subliminal depolarization of motoneurones or to an increase of the excitatory effect of the afferent volley reachi