PubMed Journals Articles About "Polycaprolactone / Tricalcium Phosphate (PCL/TCP) V Titanium Orbital Implant : Randomised Trial" RSS

19:50 EST 16th November 2018 | BioPortfolio

Polycaprolactone / Tricalcium Phosphate (PCL/TCP) V Titanium Orbital Implant : Randomised Trial PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Polycaprolactone / Tricalcium Phosphate (PCL/TCP) V Titanium Orbital Implant : Randomised Trial articles that have been published worldwide.

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Showing "Polycaprolactone Tricalcium Phosphate Titanium Orbital Implant Randomised Trial" PubMed Articles 1–25 of 7,900+

Orbital Reconstruction by Patient-Specific Implant Printed in Porous Titanium: A Retrospective Case Series of 12 Patients.

The purpose of this study was to evaluate the orbital patient-specific implant (PSI) directly printed in porous titanium for the reconstruction of complex orbital bone defects in a series of 12 patients.

Patient-specific titanium reinforced calcium phosphate implant for the repair and healing of complex cranial defects.

Reconstruction of complex cranial defects is challenging and associated with a high complication rate. The development of a patient specific, titanium reinforced, calcium phosphate based (CaP-Ti) implant with bone regenerative properties has previously been described in two case studies with the hypothesis that the implant may improve clinical outcome.

Unfocused shockwaves for osteoinduction in bone substitutes in rat cortical bone defects.

Bone substitutes are frequently used in clinical practice but often exhibit limited osteoinductivity. We hypothesized that unfocused shockwaves enhance the osteoinductivity of bone substitutes and improve osteointegration and angiogenesis. Three different bone substitutes, namely porous tricalcium phosphate, porous hydroxyapatite and porous titanium alloy, were implanted in a critical size (i.e. 6-mm) femoral defect in rats. The femora were treated twice with 1500 shockwaves at 2 and 4 weeks after surgery a...

Titanium mesh implant exposure due to pressure gradient fluctuation.

Titanium mesh implants are used for various purposes in craniotomy. While delayed implant exposure and thinning of the overlying skin are well known complications, the mechanism has never been elucidated. Here, we review our cases and propose a mechanism for titanium mesh implant exposure.

Titanium particles generated during ultrasonic scaling of implants.

There is growing concern that titanium particles may play a role in peri-implant breakdown. Ultrasonic scalers are routinely used in the debridement of peri-implant lesions. This in vitro study is designed to evaluate if titanium particles are produced when an ultrasonic scaler is used on an implant.


Zirconia has been presented as an alternative biomaterial to titanium, commercially presented as a single body implant and / or as an abutment, demonstrating clinically biocompatible favorable results in white and rose aesthetics, However, the amount of long-term in-vivo studies and mechanical tests evaluating the response of stress distribution compared with titanium implants are still limited. The aim of the study was to compare by the finite element method, the principal stresses peaks in the peri implan...

3D-printed polycaprolactone scaffold mixed with β-tricalcium phosphate as a bone regenerative material in rabbit calvarial defects.

Defect-specific bone regeneration using 3-dimensional (3D) printing of block bone has been developed. Polycaprolactone (PCL) is biocompatible polymer that can be used as 3D scaffold. The aim of this study is to assess the biocompatibility and osteogenic efficacy of 3D printed PCL scaffold and to evaluate the effectiveness of β-tricalcium phosphate (β-TCP) addition in PCL scaffold. In this work, four circular defects (diameter: 8 mm) in rabbit calvarium were randomly assigned to (1) negative control (contr...

Advanced inorganic nanocomposite for decontaminating titanium dental implants.

Oral hygiene and regular maintenance are crucial for preserving good peri-implant health. However, available prophylaxis products and toothpastes, which are optimized for cleaning teeth, tend to contaminate and abrade implant surfaces due to their organic components and silica microparticles, respectively. This study aims to develop an organic-free implant-paste based on two-dimensional nanocrystalline magnesium phosphate gel and hydrated silica nanoparticles (20-30% w/w) for cleaning oral biofilm on titani...

Guided bone regeneration using beta-tricalcium phosphate with and without fibronectin-An experimental study in rats.

This histomorphometric study compared bone regeneration potential of beta-tricalcium phosphate with fibronectin (β-TCP-Fn) in critical-sized calvarial defects (CSDs) in rats to assess whether fibronectin (Fn) improved new bone formation.

Association between metal hypersensitivity and implant failure in patients who underwent titanium cranioplasty.

OBJECTIVE Digitally designed titanium plates are commonly used for the reconstruction of craniofacial defects, although implant exposure (referred to as failure) is one of the major complications. Metal hypersensitivities have been suggested as possible causes of implant failure of orthopedic, intravascular, gynecological, and dental devices, yet there has been no consensus on the requirement for allergy screening before cranioplasty. METHODS In this study, the authors prospectively investigated the prevale...

Tailoring the mechanical property and cell-biological response of β-tricalcium phosphate composite bioceramics by SrO-PO-NaO based additive.

β-tricalcium phosphate (β-TCP) bioceramic, which is a prevalent bone graft, is deficient in mechanical strength and mediating the biological functions. In the present study, β-tricalcium phosphate composite bioceramics (TCP/SPNs) were prepared by introducing SrO-PO-NaO based (SPN) sintering additive. With increasing mole ratio of SrO to PO, the SPN tended to crystallize. In the liquid-phase sintering process, β-TCP reacted with SPN, producing new compounds. The difference in characteristic of SPN additi...

Bone regeneration in rabbit calvarial critical-sized defects filled with composite in situ formed xenogenic dentin and biphasic tricalcium phosphate/hyroxyapatite mixture.

The purpose of this study was to evaluate bone healing in calvarial defects using two bone graft substitute materials; biphasic beta-tricalcium phosphate/hydroxyapatite in hydrogel (ß-TCP/HA) versus composite non-demineralized xenogenic dentin with ß-TCP/HA mixture. Full thickness critical-sized defects were created bilaterally in 10 New Zealand male rabbits. Seven defects were left empty, six filled with biphasic tricalcium phosphate putty, and seven were filled with composite non-demineralized xenogenic...

Laser microtextured titanium implant surfaces reduce in vitro and in situ oral biofilm formation.

Micro- or nano-topography can both provide antimicrobial properties and improve osseointegration of dental implant titanium surfaces. Laser treatment is one of the best surface microtexturing techniques. The aim of this study was to evaluate in vitro and in situ biofilm formation on a laser-treated titanium surface, comparing it with two conventional surfaces, machined and grit-blasted.

Does early intervention improve outcomes in the physiotherapy management of lumbar radicular syndrome? Results of the POLAR pilot randomised controlled trial.

To investigate the feasibility of undertaking a definitive randomised controlled trial (RCT).

Hard and soft tissue cell behavior on PEEK, Zirconia, and Titanium implant materials.

The aim of this study was to characterize and compare the behavior of human osteoblasts and human gingival fibroblasts in contact with polyetheretherketone (PEEK), zirconia, and titanium implant surface materials.

Synthesis of Hydroxyapatite, β-Tricalcium Phosphate and Biphasic Calcium Phosphate Particles to Act as Local Delivery Carriers of Curcumin: Loading, Release and In Vitro Studies.

The successful synthesis of hydroxyapatite (HA), β-Tricalcium phosphate (β-TCP) and two biphasic mixtures (BCPs) of the two was performed by means of wet precipitation. The resulting crystals were characterized and the BCP composition was analyzed and identified as 13% HA-87% TCP and 41% HA-59% TCP. All samples were treated with curcumin solutions, and the degree of curcumin loading and release was found to be proportional to the TCP content of the ceramic. No further cytotoxicity was observed upon MG-63 ...

Reconstruction of the Alveolar Bone Using Bone Augmentation With Selective Laser Melting Titanium Mesh Sheet: A Report of 2 Cases.

Bone augmentation is used to supplement bone defects during dental implant treatment. In this technique, the area filled with bone prosthetic material is covered with an artificial space-making device or titanium mesh sheet, which must be manually adapted to the bone defect during the procedure before being fixed in place. Selective laser melting (SLM) method can be used to preadapt the titanium mesh sheet based on preoperative CT data. This method enables shorter surgery times compared with conventional ti...

Volumetric Cleft Changes in Treatment With Bone Morphogenic Protein/β-Tricalcium Phosphate Versus Grafts From the Iliac Crest or Symphysis.

To compare the volumetric changes in successfully treated clefts with secondary alveolar grafting using recombinant human bone morphogenic protein-2 (rhBMP-2) delivered in β-tricalcium phosphate (βTCP) scaffold versus autogenous grafts obtained from the iliac crest and mandibular symphysis.

Absorbable Implant Foreign Body Reaction Masquerading as Orbital Cellulitis.

Poly-DL-lactide polymer implants absorb over a period of 6 to 12 months and have been used with increasing frequency for repair of orbital fractures. The authors describe the case of a 7-year-old boy who presented with orbital inflammation 10 months following repair of a white-eyed blowout fracture with a poly-DL-lactide implant. Rapid improvement in symptoms followed initiation of oral steroids, with excellent long-term result. Clinical presentation and treatment response implicated a foreign body inflamma...

Intramedullary nailing of forearm shaft fractures by biodegradable compared with titanium nails: Results of a prospective randomized trial in children with at least two years of follow-up.

There are disadvantages in Elastic Stable Intramedullary Nailing (ESIN) of forearm-shaft fractures, such as the need of implant removal. Biodegradable Intramedullary Nailing (BIN) is a new technique developed for these fractures. We hypothesized that there is no difference in rotational ROM between the patients treated by BIN vs. ESIN. A randomized, controlled clinical trial included patients, aged 5-15 years, requiring surgery for forearm-shaft fractures. Biodegradable polylactide-co-glycolide (PLGA) nails...

In Vitro Characterization of Original and Nonoriginal Implant Abutments.

In addition to original componentry, clinicians can choose to restore an implant using third-party parts claimed to be compatible with the original implant system. The goal of these in vitro experiments was to evaluate the performance of a selection of original and clone titanium abutments available for a widely used implant system with an internal conical connection.

Evaluation of Vertical Misfit of CAD/CAM Implant-Supported Titanium and Zirconia Frameworks.

This study compared the vertical misfit of fixed implant-supported titanium (Ti6Al4V) and yttria-stabilized tetragonal zirconia frameworks milled using the computer-aided design/computer-aided manufacturing (CAD/CAM) Zirkonzahn system.

Retention of zirconia on titanium in two-piece abutments with self-adhesive resin cements.

Two-piece abutments consisting of a prefabricated titanium luting base and a zirconia abutment are used widely in implant restorations. Straightforward and reliable procedures for bonding titanium and zirconia are necessary for ensuring low failure rates in such restorations.

Remote or on-site visits were feasible for the initial set-up meetings with hospitals in a multi-centre surgical trial: an embedded randomised trial.

To investigate the effects, costs and feasibility of providing on-site compared with remote meetings to set-up hospital sites in a multi-centre, surgical randomised controlled trial.

Atypical mycobacterial infection in anophthalmic sockets with porous orbital implant exposure.

To investigate the clinical features and risk factors of atypical mycobacterial infection in anophthalmic sockets with porous orbital implant exposure.

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