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MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='261731' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\fcxjsm\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where pid='261731' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\fcxjsm\comment\module\CommentContent.php:167] #2 CommentContent() called at [D:\wwwroot\fcxjsm\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\fcxjsm\comment\html\index.php:13]
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发布于:2019-4-16 15:04:54  访问:26 次 回复: 篇
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Ixed prosthesesSohn BS et al.are critical for understanding the biomechanics
This auto-polymerizing resin has a flexural modulus of three,000 MPa; K of efficacy in controlling symptoms or the burdens linked to related to that of the mandibular trabecular bone.33 The areas in the mandibular canine for the second molar had been specially developed to be the missing span for the installation of implants and screw-retained fixed prostheses. Just after the wax-up procedure, gold frameworks had been cast with Type III gold alloy (Harmony C B55; Ivoclar-vivadent, Liechtenstein, Germany) and recommended protocols have been performed to receive a passive fit in the superstructures. Reinforced challenging resin (Tescera; Ivoclar-vivadent, Liechtenstein, Germany) was selected because the material for the occlusal table because it is favorable to transfer force.Ixed prosthesesSohn BS et al.are crucial for understanding the biomechanics of implants. Biomechanical studies should, therefore, be made not just for descriptive purposes but also for acquiring dependable and correct information which have clinical relevance. The goal of this study is to investigate the strain of implants using chewing simulator (MTS 858 Mini Bionix II systems, MTS systems corp., Minn, USA) combined with strain gauge in mandibular implant-supported fixed prostheses below a variety of dynamic loads and to evaluate and examine the quantity and distribution of mean strain values around the operating and non-working sides of implant-supported fixed prostheses.Components AND METHODS1. Fabrication of measurement model A partially edentulous mandibular acrylic resin model and opposing teeth had been fabricated with auto-polymerizing resin (POLYUROCK; Metalor technologies, Stuttgart, Swiss) and artificial denture teeth (Endura; Shofu inc., Kyoto, Japan). This auto-polymerizing resin features a flexural modulus of three,000 MPa; related to that with the mandibular trabecular bone.33 The locations from the mandibular canine to the second molar were specially developed to be the missing span for the installation of implants and screw-retained fixed prostheses. The interarch distance in the alveolar ridge of mandibular missing span to the cusp of opposing teeth was endowed at the least with 12 mm-apart, simply because strain gauges plus the abutment complex require adequate vertical space ( 5 mm). Soon after fabrication of implant surgical stent, six dental implants, 4.0 mm 11.five mm height (US II; Osstem, Seoul, Korea), had been installed at the mandibular canine (Fx1, Fx4), the second premolar (Fx2, Fx5) and also the second molar (Fx3, Fx6) places within the missing spans by using normal surgical procedures in actual clinical circumstances. And after that, six dental implants were endowed with 30 N torque worth of initial stability by using an electric torque measuring device. All extended vertical axes with the six implants were headed for functional cusps from the opposing teeth, in order that screw holes of screw-retained implant prostheses might be positioned centrally. 2. Fabrication of implant-supported fixed prostheses Three implant-supported 5-unit screw-retained fixed prostheses had been produced by using regular approaches of superstructure fabrication. The whole process, such as impression taking, master cast fabrication, wax-up, casting, and finishing, was carried out in accordance with encouraged protocols.34,35 The fixture-level impression was taken applying a person resin tray and pick-up type impression copings with polyvinylsiloxane impression material (Imprint II; 3M ESPE, MN., USA).J Adv Prosthodont 2011;31-The master cast was fabricated with stone and implant lab analogues.
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