Purpose: To compare the effect of ceramic and metal implant materials on the expression pattern of inflammatory cytokines in peri-implant soft tissue. Materials and Methods: This split-mouth study included patients who received dental implants. In each patient, four different materials were used for the implant cover screws: the ceramic material ...

Objective: The aim of this prospective, double-blind, randomized long-term study was to evaluate the clinical performance of the self-etch adhesive AdheSE One in combination with the nanohybrid composite resin Tetric Evo Ceram for Class 1 and 2 restorations. The improvement of the clinical performance with the additional use of a ...

The half-lives of (226)Th and (222)Ra were measured by counting alpha-particle emissions from sources as a function of time. The (226)Th sources were prepared from an open (230)U source, capturing recoil atoms after alpha-particle decay on glass disks or even directly onto a detector. Similarly, the (222)Ra sources were obtained ...

We here report our experience with biodegradable polydioxanone stents for tracheal narrowing in children. Eleven custom-made polydioxanone stents were implanted in 4 patients with airway narrowing due to external compression or intrinsic collapse. The median stent diameter was 9 mm (range, 6 to 14 mm) and median length was 15 ...

The aim of this study was to establish a wear model for testing composite filling materials with abrasion properties closer to a clinical situation. In addition, the model was used to evaluate the effect of filler volume and particle size on surface roughness and wear resistance. Each incisor tooth was ...

Gastric restrictive procedures are considered effective weight loss treatment for severe obesity. The aim of the study was to evaluate the efficacy and safety of a reversible implant that renders a partial restriction of stomach in a canine model. The device was comprised of two longitudinal parallel non-compressive plates with ...

Six different supraglottic airway devices: Combitube™, laryngeal mask airway, intubating laryngeal mask airway (Fastrach™), i-gel™, Laryngeal Tube™ and Pro-Seal™ laryngeal mask airway were assessed by 58 paramedic students for speed and ease of insertion in a manikin, whilst wearing either chemical, biological, radiation, nuclear-personal protective equipment (CBRN-PPE) or a standard ...

Objective: Diaphragm pacing by phrenic nerve (PN) stimulation is currently used for patients with central respiratory paralysis to be weaned from mechanical ventilation. Electrodes are inserted either through bilateral thoracotomy or through four ports laparoscopy. The aim of this experimental work is to demonstrate the feasibility of trans-mediastinal bilateral implantation ...

PURPOSE:To describe central and peripheral corneal iron deposition after implantation of the AcuFocus corneal inlay (ACI 7000, AcuFocus Inc) for the surgical correction of presbyopia. METHODS:Patients who underwent inlay implantation between September 2006 and May 2007 and displaying corneal iron deposits were enrolled in the study. RESULTS:Eighteen (56%) eyes of ...

PURPOSE: To present an objective automated method to determine time trends in prostatic edema resulting from iodine-125 brachytherapy. METHODS AND MATERIALS: We followed 20 patients, implanted with stranded seeds, with seven consecutive CT scans to establish a time trend in prostate edema. Seed positions were obtained automatically from the CT ...

Abstract Objectives: To test the hypothesis that the sagittal position of the anterior teeth has no effect on pharyngeal airway dimension or hyoid bone position and to investigate the influence of orthodontic retraction of the anterior teeth on each section of pharynx and hyoid position. Materials and Methods: Forty-four Class ...

We developed a new method to produce obstructive apnoea in conscious rats. An inflatable balloon contained in a rigid Teflon tube was implanted in the trachea to allow the induction of apnoea without inducing pain. We also developed a balloon-tipped catheter that was advanced along the trachea into the mediastinum ...

Objective: To evaluate the presence within the peri-implant sulcus of Tannerela forsythia (Tf), Porphyromonas gingivales (Pg), Treponema denticola (Td) and Aggregatibacter actinomycetemcomitans (Aa), and relate these bacteria to the peri-implant crevicular fluid volume (PICFV). Material and Method: A prospective and cross-sectional clinical case series study was made. For the measurement ...

The face mask is a device to facilitate the delivery of gases from a breathing system to a patient by creating an airtight seal around the face. Of the many types of face masks available, the anatomical face mask is most commonly used for anaesthesia. With repeated usage, the seal ...

SUMMARY The aim of the present study was to evaluate the influence of curing methods and composite volumes on the marginal and internal adaptation of composite restoratives. Two cavities with different volumes (Lower volume: 12.6 mm(3); Higher volume: 24.5 mm(3)) were prepared on the buccal surface of 60 bovine teeth ...

The aim of this study was to evaluate two-body wear of five indirect composites and compare them with enamel. Signum, belleGlass HP, SR Adoro, Dialog, GC Gradia and enamel were formed into cylinders (n = 10). Two-body abrasive wear rates were determined using a porcelain disk and a pin on ...

Extraoral cranial implant-retained prosthetic reconstructions have been proved to be highly successful. Replacement of the eyes, ears, nose, and larger areas including combined midface defects, which frequently have no other option available, has been done successfully. Burn patients and those with congenital defects are good candidates for this type of reconstruction, ...

Burned ear reconstruction remains one of the most difficult areas of plastic surgery, and the aesthetic results are not always acceptable. In this study, the authors describe the results of the prosthetic rehabilitation of patients needing burned ear total reconstruction with a plate-like system (Titanium Epiplating System, Medicon, Tuttlingen, Germany) ...

This study aimed to evaluate the length of the holes drilled for the placement of zygomatic implants using two surgical techniques: the original Brånemark and the Exteriorized (extrasinus) protocols. The most frequent implant length used and position where the implants emerged in the zygomatic bone were recorded. Both surgical techniques ...

Objectives: The growing interest in minimally invasive surgery, together with the possibility of fitting prostheses with immediate function, have led to the development of software capable of planning and manufacturing a surgical guide and prosthesis that can be placed upon conclusion of the implant surgery step. The present study evaluates ...

The use of craniofacial implants is an effective treatment for patients with deformities, burns, and cancer sequelae. The sites with the most successful implants are the auricular, nasal, and orbital regions. Furthermore, other factors can affect the implant longevity such as irradiated area, surgical technique, bone quality and quantity, macrostructure ...

Symptomatic penetration of the inferior vena cava (IVC) wall reportedly occurs in 0.3% of patients in whom a filter has been implanted, and it causes injury to the adjacent structures (Bogue et al. in Pediatr Radiol 39(10):1110-1113, 1; Brzezinski et al. in Burns 32(5):640-643, 2). We succeeded in the endovascular ...

Osteomyelitis of the cervical spine may lead to profound bony destruction. The presented case developed multilevel osteomyelitic destruction of the cervical spine after decompression due to cervical myelopathy. He could be cured by a multiple-stage procedure: step one: debridement and removal of all anterior implants with vacuum-assisted closure combined with ...

Foreign body aspiration in the adult airway is very rare. A neglected foreign body can occur when the patient is mentally challenged or is in an unconscious condition such as following trauma. The diagnosis can be delayed because there is no typical history of choking or breathing difficulty. To report ...

To evaluate current information and practice regarding autologous fat implantation for treatment of vocal fold scar and to summarize the surgical technique. There has been no recent literature on this topic. Autologous fat implantation is useful and effective for severe and/or extensive vocal fold scar.

Achievement of primary stability during surgical placement of dental implants is one of the most important factors for successful osseointegration depending on various anatomical, surgical and implant-related factors. Resonance frequency analysis (RFA) has been shown as a non-invasive and objective technique for measuring the stability of implants. The aim of ...

Immediate occlusal loading (IOL) in edentulous jaws has been reported in numerous publications with implant cumulative survival rates consistent with conventional, unloaded healing protocols. Computed Tomography (CT)-guided surgery has more recently been developed and accepted as an additional treatment modality for maxillary and mandibular implant placement, with or without IOL. ...

Objective: To compare panoramic and conventional cross-sectional tomography for preoperative selection of implant size for three implant systems (Brånemark, Straumann(®) , 3i). Material and methods: Presurgical panoramic (Pan) and cross-sectional tomograms (Tomo) of 121 implant sites in 121 patients scheduled for single-tooth implant treatment were recorded; in 70 of the ...

Background: There are numerous reports of oral surgical procedures in patients undergoing highly active antiretroviral therapy. In the general population, the success of immediate implant placement for replacing teeth is well documented. The number of human immunodeficiency virus (HIV)-positive patients seeking comprehensive dental care, including implant therapy, continues to increase. ...

To describe an innovative miniature visualization surgical endoscope and endoscopic techniques applicable to dental implant procedures. A newly developed modular dental implant endoscope is introduced, and the first impressions from its use in different implant procedures are reported. Details of the device that combines an endoscope, irrigation cannulas, and a ...

The use of digital radiography is becoming more prevalent in orthopedics. This transition impacts the ability to preoperatively plan for implants in total hip arthroplasty (THA) and total knee arthroplasty (TKA). This article reports on the clinical success of digital templating using the Advanced Case Plan (Stryker Imaging, Flower Mound, ...

We evaluated an innovative approach for conventional surgical or transmucosal implantation applying backward planning with bone oriented crown down implant positions, followed by immediate restoration. Our workflow combined computer-assisted preoperative planning with the well-known intraoperative handling of surgical templates. To guarantee optimal accuracy, the complete process was bone borne, not ...

Dental computed tomography (CT) is a diagnostic examination for the preoperative evaluation of patients who will undergo placement of oral implants. It can be performed with multidetector CT or more recently with cone-beam CT. The growing older population and the consequent development of edentulism have increased the number of imaging ...

The objective of this study was to examine any anatomic limitations in implantation of the semi-implantable middle ear transducer (MET) and fully implantable Carina middle ear implants (Otologics, Boulder, CO). Retrospective case series. This study involved high-resolution computed tomography (HRCT) of the temporal bone and surgical findings in 22 middle ...

Placement of dental implants in the anterior mandible is considered by many clinicians to be a relatively low-risk procedure. However, hemorrhagic episodes following implant placement in the mandibular symphysis are regularly reported and can have serious consequences. The use of high-resolution focused cone beam scanners has given us the ability ...

Urinary incontinence impairs sexual functioning and sexual satisfaction. Traditional artificial urinary sphincter (AUS) implantation requires perineal incision for cuff placement and a second inguinal incision for reservoir and pump placement. We believed AUS could be placed easier and quicker through one scrotal incision. Aim.  In an effort to effect more ...

Three-dimensional imaging, particularly cone-beam computed tomography (CBCT), has made significant contributions to the planning and placement of implants to replace missing teeth. The accuracy of CBCT data can be used to fabricate a surgical guide that transfers the implant planning information to the surgical site to facilitate implant placement. The ...

All-on-4 treatment is facilitated by bone reduction to create prosthetic restorative space, establish maximum anterior posterior spread of implants, and to avoid pneumatized sites. Unlike a reduction alveloplasty for denture placement, the All-on-4 shelf enables optimal surgical prosthetic management of implant placement for the fixed hybrid prosthesis.

The combined endoscope-assisted translabyrinthine subtemporal keyhole approach can expose the internal auditory canal, cerebellopontine, and inferior colliculus satisfactorily in the same surgical setting. As a minimally invasive approach, this can be considered an effective method for removal of vestibular schwannoma and auditory midbrain implantation in the same surgical setting, while ...

Objectives: The objective of this study was to assess positional deviations between the implant replicas in the pre-operative plaster model created from a computer-aided design/computer-aided manufacturing (CAD/CAM) surgical template and the implant replicas in the post-operative plaster model that was made from patients' impressions taken at ≥1-year follow-up. Material and ...

On occasion, the placement of orthopedic prosthetic components or stabilization hardware leads to surgical site infections, in some cases presenting at a point in time distant from the surgical procedure. Although infectious complications are the most common etiology for surgical site pain and inflammation, malignancies can also develop around prosthetic ...

The purpose of this study was to evaluate the anatomic position and relations to neighboring neurovascular structures of polypropylene implants after vaginal repair with nonanchored mesh and a vaginal support device in a cadaver model. We undertook anatomic dissection of 6 cadavers, with and without prolapse after surgery. All polypropylene ...

The aim of this study is to evaluate the accuracy of a surgical template-aided implant placement produced by rapid prototyping using a DICOM dataset from cone beam computer tomography (CBCT). On the basis of CBCT scans (Sirona® Galileos), a total of ten models were produced using a rapid-prototyping three-dimensional printer. ...

The accuracy and efficiency of automated cutting guides in CAS systems have not been previously compared with conventional CAS techniques. Therefore, it is not yet clear if these more advanced technologies are warranted. We hypothesized that a novel automated cutting guide with CAS for total knee arthroplasty would be more ...

Dental implant surgery has traditionally been done through raising flaps, until recently when flapless surgery was advocated. The major challenges of implant placement include correct implant localisation / angulations and osseointegration. In this regard, many types of surgical guides have been proposed. This is a case report of implant placement ...

Reconstructive surgery in oral cancer patients uses thick flaps, which may render the placement of miniscrews for stabilizing radiosurgical templates difficult. The realization of noninvasive systems for the repositioning of surgical templates has been proposed. The present study aimed to assess the clinical usefulness of these noninvasive repositioning systems. Two ...

Study Type - Therapy (case series) Level of Evidence 4 Artificial urinary sphincter (AUS) implantation is one of several surgical options for the treatment of female stress urinary incontinence. It is indicated for women with both clinically and urodynamically defined intrinsic sphincter deficiency that significantly affects quality of life. The erosion/revision ...

The purpose of this study was to assess residents' perspectives on their implant surgical training in Advanced Education in Prosthodontic programs in the United States. Questionnaires were distributed to all prosthodontic residents (N = 442). The 27 questions assessed the subjective and objective aspects of implant surgical training from the ...

Abstract Implant position is a key determinant of esthetic and functional success. Achieving the goal of ideal implant position may be affected by case selection, prosthodontically driven treatment planning, site preparation, surgeon's experience and surgical guide use. The combined effect of surgical guide design, surgeon's experience, and size of the ...

Scleral buckling is a widely used surgical procedure that aims at repairing retinal detachments. Many materials and procedural techniques have been variously proposed and tested in an attempt to find the best combination for providing optimal results to the patient. This review highlights the evolution of scleral buckling implants and ...