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Background/Objectives: The second iron hand of the Franconian Imperial Knight Götz von Berlichingen represents a historically significant and mechanically sophisticated example of an upper-limb prosthesis. Its internal mechanism, documented by C...
Background/Objectives: Previous studies on the digitization of complete dentures with intraoral scanners (IOSs) have reported inconsistent effects of scan path, and whether these effects depend on operator experience remains unclear. This exploratory...
Background/Objectives: This study evaluated how the elastic modulus of CAD/CAM crown materials affects the stress distribution within a maxillary second premolar and its supporting structures. Methods: A maxillary premolar was digitally reconstructed...
Background: Total joint arthroplasties (TJAs) are well-established orthopedic procedures that provide effective pain relief and restore functional mobility. Although these procedures are generally highly successful, postoperative complications may st...
Introduction: Adaptive polyarticulated myoelectric hands aim to improve grasp versatility and intuitiveness of use; however, objective clinical and biomechanical evidence supporting their functional impact remains limited. Case presentation: A 75-yea...
Background: Use of a prosthesis to replace small hand joints, mainly in patients with degenerative osteoarthritis or with sequelae of fractures, is more and more common. As for other joints, use of a prosthesis usually leads to good functional result...
Background/Objectives: Artificial intelligence (AI) may standardise radiographic measurement of component position, but its accuracy is uncertain. We assessed agreement between AI and reference-standard measurements after primary total hip (THA) and...
Background: This case report documents selective explantation in advanced peri-implantitis, early clinical healing, and exploratory blood and retrieval observations. Methods: A 71-year-old woman with hypertension had radiographic peri-implant bone de...
Background: Zirconia has become a widely used material in dentistry, and it is easy to see why. It offers excellent mechanical strength, great biocompatibility, and from an aesthetic point of view, it closely resembles natural teeth. Add to that the...
Background: The prosthetic socket is the primary component responsible for comfort, stability, and load transfer in lower limb prostheses. Traditional transtibial socket fabrication relies on plaster casting and manual rectification performed by pros...
Tricuspid regurgitation (TR) is common, undertreated, and associated with substantial morbidity and mortality. Transcatheter tricuspid valve intervention (TTVI), comprising transcatheter edge-to-edge repair (TEER) and transcatheter tricuspid valve re...
Fermentation-derived fruit-peel formulations have potential as alternative denture cleansers, but their development requires evidence that they can provide antifungal activity without compromising denture-base materials during repeated use. Objective...
Background/Objectives: The biomechanical response of posterior single crowns is influenced by restorative stiffness, device geometry, loading direction, and bone architecture. This study evaluated the effect of crown material on stress distribution i...
Background/Objectives: This in vitro study evaluated the wear resistance and fracture load of newly introduced ceramic-reinforced hybrid 3D-printed permanent resin tooth materials and compared their mechanical performance with prefabricated polymethy...
Background: The restorative material used to seal the screw access channel in screw-retained implant-supported crowns may influence the biomechanical behavior and mechanical performance of the restoration. Objective: To evaluate the influence of diff...
Background/Objectives: Marginal and internal adaptation are important determinants of the clinical performance of CAD/CAM zirconia fixed restorations. This systematic review and meta-analysis evaluated the influence of workflow type (digital versus a...
Background/Objectives. Chemical assessment of dental biomaterials in food and beverage media is complicated by endogenous matrix constituents and matrix-dependent analytical recovery, so post-immersion concentrations cannot be assigned to material-de...
Background/Objectives: The mechanical performance of spinal instrumentation depends on appropriate fixation of rod-securing screws. Although manufacturer-recommended torque values and torque-limiting instruments are widely used in spinal surgery, the...
Background/Objectives: This study evaluates the effects of axial and inclined loading on dental implants modeled with different material properties, thread geometries, and micro-thread configurations to compare their relative effects on stress and de...
Objectives: Disinfection of 3D-printed acrylic resin is essential to reduce fungal colonization and improve the clinical performance of dentures. This in vitro study assessed the antifungal activity of aluminum potassium sulfate (alum) solutions agai...
Background: Conventional zygomatic implant placement may be technically impossible in patients with severe trismus or extensive post-maxillectomy defects because adequate intraoral access is required. This study evaluated the feasibility, accuracy, a...
Background: Total knee arthroplasty (TKA) in patients with extra-articular deformities (EAD) presents significant technical challenges. Robot-assisted TKA (RA-TKA) has the potential to provide more precise alignment and soft tissue balance. The prima...
Background/Objectives: The deterioration of maxillofacial silicone elastomers is caused by microbial colonization and mechanical failure. Traditional inorganic nanofillers influence the elasticity of materials and their surface hygiene. This study pr...
Background: Prosthetic foot design continues to evolve to better address the functional needs and daily challenges of individuals with lower limb loss. Energy-Storing and Returning (ESAR) feet are widely prescribed for individuals with transtibial am...
Background: Digital impression technology is widely used in conventional dental fixed restorations and single-unit tooth implant supported fixed restorations, but faces challenges in accurate impressions for multiple implants. The conventional method...
Background: Prosthetic joint infections (PJI) are complex complications of arthroplasty. Detailed sequential polymicrobial infection during long clinical courses, with multiple interventions and sustained antibiotic pressure, has been described spari...
Background/Objectives: The management of occlusion in implant-supported fixed partial restorations (ISFPRs) remains a controversial topic due to the limited availability of high-level clinical evidence and the biomechanical differences between natura...
Background/Objectives: Severe acetabular bone loss, particularly Paprosky type IIIA and IIIB defects and pelvic discontinuity, represents a major challenge in revision total hip arthroplasty (rTHA). Custom-made acetabular implants offer a patient-spe...
Background: Transmetatarsal amputation (TMA) alters foot biomechanics and is associated with abnormal plantar loading that may contribute to plantar tissue breakdown. Although plantar pressure abnormalities following TMA have been reported, the poten...
Background/ Objectives: Selecting an intraoral scanner (IOS) has evolved into a complex clinical decision that extends beyond technical performance alone. This study aimed to investigate the clinical, technical, educational, and organizational factor...
Background/Objectives: Raghib syndrome is a rare congenital heart disease where the left superior vena cava (LSVC) drains into the left atrium in addition to an absent coronary sinus and an atrial septal defect. This condition can lead to hemodynamic...
Background: Lower limb exoprostheses often lead to stump dermatological pathologies. The mechanisms by which mechanical microtraumas progress to non-healing ulcerative defects due to dysbiosis remain poorly understood. The objective of this study was...
Background/Objectives: Studies consistently demonstrate that microprocessor-controlled prosthetic knees (MPKs) improve mobility and quality of life for people with lower limb loss or absence by enhancing balance and reducing falls. However, the exten...
Background: Accurate reproduction of subgingival finish lines remains a major challenge in fixed prosthodontics. This scoping review aimed to map and synthesize current evidence comparing digital and conventional impression techniques for tooth-suppo...
Background/Objectives: Injection moulding has become a predictable technique for transferring a diagnostic wax-up to direct composite restorations. However, conventional workflows that rely exclusively on injectable flowable composites may have limit...
Background/Objectives: To compare the effects of different surface treatments on the color and translucency of three types of zirconia ceramics. Methods: Ninety CAD/CAM-milled zirconia disks (10 mm diameter, 1 mm thickness) were fabricated from Cerco...
Background: The management of complete mandibular edentulism in frail patients with severe bone atrophy is a clinical challenge. Ultrashort implants (≤4 mm) have been proposed as a minimally invasive alternative to bone augmentation procedures; ho...
Background/Objectives: Lower-limb amputation significantly impacts autonomy and daily functioning. Microprocessor-controlled prosthetic knees (MPKs) improve mobility, safety, and quality of life compared with non-microprocessor prosthetic knees (nMPK...
Introduction/Objectives: The mechanical reliability of prosthetic finger connectors is critical for daily prosthesis use, as these small load-bearing elements transmit forces between finger segments and are prone to localized stress concentration at...
Objective: The aim of this study was to assess the predictability of a digital workflow for manufacturing provisional maxillary removable dentures and immediately loaded implant-supported mandibular prostheses. Materials and Methods: Eighteen complet...
Background: Finite element analysis (FEA) has become a cornerstone of dental biomechanics, supporting the simulation of stress, strain, and displacement in biological structures and biomaterials. Methods: This combined bibliometric and narrative revi...
Background: Accurate acetabular component positioning is critical to the success of total hip arthroplasty (THA). Mixed reality (MR)-based simulation offers a novel approach to surgical training by providing real-time feedback within immersive learni...
Background: The natural motion of the human knee involves a combination of rotation and translation, resulting in a variable Instantaneous Center of Rotation (ICR) throughout the gait cycle. Traditional prosthetic knee designs often fail to reproduce...
Background/Objectives: Asymmetric acetabular liners used in Total Hip Arthroplasty (THA) are clinically successful in reducing revision associated with dislocation. The performance of an asymmetric liner is dependent on its positioning, although few...
Background: Total hip arthroplasty (THA) is an effective treatment for advanced hip osteoarthritis, yet the influence of the surgical approach on early biomechanical and neuromuscular recovery remains debated. The direct anterior approach (DAA) is co...
Background/Objectives: Lower-limb exoskeletons require reliable movement recognition mechanisms to support adaptive locomotor assistance and rehabilitation. Electromyographic (EMG) signals provide valuable information on muscle activation and user in...
Objectives: The aim of the study was to compare CBCT (Cone Beam Computed Tomography)-derived radiographic hard tissue gain after hydraulic transcrestal sinus floor elevation performed with versus without cross-linked hyaluronic acid (HA) and to asses...
This report describes a 72-year-old patient for whom a maxillofacial prosthesis was created to treat trismus and jaw deviation after mandibulectomy for osteoradionecrosis following radiotherapy for cancer. The patient’s chief complaints were an...
Background/Objectives: High-viscosity glass hybrid restorative systems (GHRS) were developed to improve the mechanical limitations of conventional glass ionomer cements while preserving their bioactive properties. This scoping review aimed to map and...
Background: Degenerative joint diseases are a major cause of disability and drive the increasing demand for joint arthroplasty. Long-term prosthesis success depends on rapid and stable bone–implant integration, which is influenced by the osteo-...
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