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Screw-in force, torque generation, and performance of glide-path files with three rotation kinetics
We aimed to evaluate the screw-in force, torque generation, and performance of three nickel-titanium (NiTi) glide-path files with different...
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Preload and friction in an implant–abutment–screw complex including a carbon-coated titanium alloy abutment screw: an in vitro study
PurposeAn experimental approach was designed to measure the preload force, the coefficient of friction and the component of the tightening torque...
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Influence of screw channel angulation on reverse torque value and fracture resistance in monolithic zirconia restorations after thermomechanical cycling: an in-vitro study
BackgroundWhile the concept of angled screw channels has gained popularity, there remains a scarcity of research concerning the torque loss and...
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Evaluation of design, mechanical properties, and torque/force generation of heat-treated NiTi glide path instruments
BackgroundRecently, various kinds of heat-treated nickel-titanium (NiTi) glide path instruments have been manufactured. This study aimed to...
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Evaluation of the dislodgement force of splinted restorations with engaging conical abutments over multiple nonparallel implants (in-vitro study)
BackgroundSplinted multiunit cement-retained restorations with screw access channels over engaging abutments are viable implant prosthetic options....
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New design of interdental rubber picks - does the archimedean screw design bring an improvement for experimental cleaning efficacy and force?
BackgroundUp to date, interdental brushes (IDB) are the first choice for interdental cleaning because of their cleaning efficacy. Cylindrical ones...
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Effect of applying intermittent force with and without vibration on orthodontic tooth movement
PurposeThis study aimed to determine whether orthodontic tooth movement could be accelerated by applying an intermittent force protocol. It also...
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Effect of dynamic cyclic loading on screw loosening of retightened versus new abutment screw in both narrow and standard implants (in-vitro study)
BackgroundThe purpose of this in-vitro study was to evaluate the effect of dynamic cyclic loading on screw loosening of retightened abutment screw...
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In vitro fatigue and fracture testing of temporary materials from different manufacturing processes in implant-supported anterior crowns
ObjectivesThe aim of this study was to investigate the in vitro fatigue and fracture force of temporary implant-supported anterior crowns made of...
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Force delivery modification of removable thermoplastic appliances using Hilliard precision thermopliers for tip** an upper central incisor
ObjectivesTo evaluate the force delivered by removable thermoplastic appliances (RTAs, aligners), altered with Hilliard precision thermopliers, on an...
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Retention of zirconia crowns to titanium bases with straight versus angled screw access channels: an invitro study
BackgroundThe aim of this study was to assess the impact of abutments with angled screw access channel on the retention of zirconia crowns.
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Impact of cement type and abutment height on pull-off force of zirconia reinforced lithium silicate crowns on titanium implant stock abutments: an in vitro study
BackgroundPull-off forces of cement-retained zirconia reinforced lithium silicate (ZLS) in implant-supported single crowns on stock titanium...
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Force decay of polyethylene terephthalate glycol aligner materials during simulation of typical clinical loading/unloading scenarios
BackgroundThis in vitro study investigated the effect of three distinct daily loading/unloading cycles on force delivery during orthodontic aligner...
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Implant-abutment screw removal torque values between customized titanium abutment, straight titanium abutment, and hybrid zirconia abutment after a million cyclic loading: an in vitro comparative study
PurposeThe aim of this study was to compare removal torque values after mechanical cyclic loading and bending moment after the static compression...
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Mechanics of the Prosthetic Rehabilitation
Implant prostheses react biomechanically to occlusal force in a manner distinct from natural teeth because of the absence of the periodontal...
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A comprehensive study on the mechanical effects of implant-supported prostheses under multi-directional loading and different occlusal contact points
AimsTo evaluate screw loosening and fracture load and angular deviation of a single implant-supported prosthesis under multi-directional loading...
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In vitro evaluation of the influence of titanium nitride coating on the retention force between components of two-part abutments
BackgroundTwo-part abutments are typically made up of a base composed of titanium and a ceramic build-up. The long-term outcomes are affected by the...
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Selection of 1-mm venting or 2.5-mm screw access holes on implant crowns based on cement extrusion and retention capacity
BackgroundThis in vitro study aimed to provide evidence regarding the selection of hole diameters of implant crowns to reduce excess cement extrusion...
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Post-BSSO condylar position stability: a comparison of miniplate and lag screw fixation
BackgroundThis study was conceived to assess the postoperative stability of condylar position following fixation with miniplates and lag screws after...
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Mechanical stability of all-ceramic abutments retained with three different screw materials in two-piece zirconia implants—an in vitro study
ObjectivesTo measure the abutment rotation and fracture load of two-piece zirconia implants screwed with three different abutment screw materials.
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