PubMed Journal Database | The Journal of oral implantology 
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Showing PubMed Articles, all 23 from The Journal of oral implantology
A TECHNIQUE TO FACILITATE THE FABRICATION OF PROVISIONAL RESTORATIONS FOR ITI SOLID ABUTMENTS.
Abstract The aim of this technique report was to present a procedure for the fabrication of provisional restorations for ITI solid abutments using impression caps in the laboratory with a number of advantages over intra-oral techniques. There may be no need for cementation and elimination of cementation may assist tissue healing.
Abstract Rehabilitation of posterior maxilla with dental implants is a routine dental practice, but it may lead to sinus complications. In this article, a case concerning the migration of a dental implant into the maxillary sinus and the applied treatment is presented. The implant was discovered by the conventional panoramic and Water's X-ray examination and certified by CT-scan eight years after its original placement and load. The time of migration is unknown. The patient had no clinical inflammatory symp...
Abstract Malpositioned implants always result in significant mechanical and aesthetic restorative challenges. This case report describes the correction of position of an unserviceable osseointegrated implant also protruding into the maxillary sinus cavity. This surgical technique facilitated the relocation of an implant-bony segment into a more favorable aesthetic and biomechanical position in a single stage surgery.
JAW BITE FORCE MEASUREMENT DEVICE.
Abstract We describe a cost effective device that is using an off-the shelf force transducer to measure patient bite force as a diagnostic aid in determining dental implant size, number of implants and prosthetic design for restoring partial edentulism. The main advantages of our device are its accuracy, simplicity, modularity, ease of manufacturing and low cost.
Abstract This article describes the use of an Erbium laser to use photoaccoustic's to reduce the bacteria in the osteotomy sites that were infected by apical pathology. The author shows reduced bacterial counts by performing bacterial cultures following laser treatment. Swabs were taken after the extraction of the tooth and then taken after the laser was placed into the osteotomy site. The results showed a noticeable reduction of bacteria and no traces of virulent bacteria.
Abstract Analysis of dental panoramic radiographs (DPRs) is an indispensable diagnostic tool for dental implants both pre- and post-operation. Many studies on linear and angular morphometry of the mandibular body have been conducted, but those on the mandibular ramus have not yet been reported. The purpose of this study was to investigate the differences in the morphometric parameters of the mandibular ramus between high and low gonial angles (GAs) on DPRs as well as between genders, and to determine the re...
Microstrains around standard and mini implants supporting different bridge designs.
Abstract Objectives: To analyze microstrains around small versus standard diameter implants used in restoration of Kennedy class II mandibular wiry ridge through different bridge designs. Additionally, influence of the site of occlusal vertical loading was evaluated employing strain gauges. Methods: Two models simulating mandibular Kennedy class II were fabricated. Two standard size implants (3.75 x 13mm,) (Legacy system /Implant Direct ) were inserted in one model in the position of second premolar and fir...
Marginal Bone Loss Around Implants Supporting Fixed Restorations.
Abstract AbstractObjective: A key criterion of success following dental implants is the marginal bone level. Long-term clinical and radiographic evaluation is necessary to test the results of in vitro studies investigating how cantilevering of restorations or implant size affect bone level changes around implants.Background: There is no consensus on the effect of several variables such as age, gender, implant size, and cantilever prostheses on marginal bone levels around fixed dentures supported by dental i...
To estimate the safe distance between the implant and an adjacent tilted implant using trigonometry.
Abstract This article introduces a trigonometry equation applied to an implant adjacent to a tilted implant, such as in an all-on-4 implant system. By solving the equation with the known length and angulation of the tilted implant, the safe distance or length of the non-tilted implant could be estimated.
Abstract The purpose of the present study was to examine the effects of conventional and bone-condensing implantation techniques and time (6 and 12 months after implantation) on levels of marginal bone surrounding implants and to assess the level of agreement between measurements made using digitized intraoral images and film. The study group consisted of 14 healthy patients (9 female, 5 male; age range, 23-59 years; mean age, 41.1 years) with 28 single-tooth dental implants. In each patient, an implant was...
Abstract Background: Implant-retained mandibular ball-supported and bar-supported overlay dentures are the two most common treatment options for the edentulous mandible. The superior option in terms of strain distribution should be determined. Methods: The three-dimensional (3D) model of mandible (based on CT scan) and its overlying implant-retained bar-supported and ball-supported overlay dentures were simulated using SolidWorks, NURBS and ANSYS Workbench. Loads A (60N) and B (60N) were exerted, respective...
SHOULD THE IMPLANT FIT THE PATIENT OR SHOULD THE PATIENT FIT THE IMPLANT?
Abstract NA.
Abstract Purpose: the aim of this study was to evaluate the stress distribution of different retention systems (screwed or cemented) associated to different prosthetic connections (external hexagon, internal hexagon and morse taper) in 3-unit implant-supported fixed partial prostheses through photoelasticity. Materials and Method: Six models were fabricated with photoelastic resin PL-2 and each model contained two implants of 4.0X10.0mm. The models presented different retention systems (screwed and cemented...
Effect of surgical guide design and surgeon's experience on the accuracy of implant placement.
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 edentulous area on the accuracy of implant placement was evaluated in a simulated clinical setting. Twenty-one volunteers were recruited to participate in th...
Abstract Background. Reconstruction after substantial osseous, cutaneous and muscular tissue loss following a mandibular resection is a challenge. The use of a fibular free flap is an outstanding - but delicate - treatment option. These grafts, using the double-barrel technique, can achieve an almost complete reconstruction of the mandibular defect. The challenge posed by these treatments is to achieve an end result that is both functional and esthetically pleasing; an endeavour that requires a defined pros...
BOOK REVIEW: DENTAL IMPLANT COMPLICATIONS.
Abstract BOOK REVIEW.
Abstract Immediate implant placement combined with hard and soft tissue grafting has been suggested because it may preclude dramatic postextraction bone loss and it may decrease overall discomfort with reduction of number of surgeries and treatment time. In this case report, the acellular dermal matrix was used as a membrane for immediate implantation with a bone augmentation procedure in an esthetically challenging situation. The author suggests that this surgical technique provides the clinician with an o...
Relationship between smoking and bleeding on probing.
Abstract Objective: Assess and compare bone loss (BL) around dental implants platform, as well as the presence of bacterial plaque (PBP), bleeding on probing (BOP) and periodontal probing depths (PD) of teeth and dental implants of smokers and non-smokers. Material and Methods: Three hundred and forty seven teeth and 98 implants of 20 patients randomly selected were assessed - 12 smokers and 8 non-smokers. The specimens were divided into 4 groups according to the site probed. Group I: smoker implant sites;...
Abstract PURPOSE: Surface and biomechanical analysis of titanium implant surfaces modified by laser beam with and without hydroxyapatite. METHODS: Titanium implants whith 3 different surfaces were inserted into the tibia of 30 rabbits. Group I (GI) machined surface (control group), group II irradiated with laser (GII), and group III irradiated with laser and hydroxyapatite(HA) coating applied - biomimetic method (GIII). Topographical analysis with SEM (scanning electron microscope) was made before surgery i...
Abstract The protocol for converting an existing mandibular denture to an interim fixed implant-supported (hybrid) prosthesis has been well documented. This article describes a simple chair-side procedure for fabricating an interim mandibular fixed prosthesis using auto-polymerizing acrylic resin material. It involves utilization of the ideal diagnostic wax-up that was made during the planning phase. This economical technique is especially advantageous when a patient lacks a mandibular denture or when the e...
Abstract This article reports the case of a 71-year-old patient with dental phobia and controlled hypertension who refused to undergo a long and invasive treatment for oral rehabilitation. After initial planning, the association of implants with partial removable prosthesis (PRP) was chosen. The case resolution was functional, aesthetic and the patient was satisfied.
Abstract The aim of this study was to evaluate differences in ossification of the two forms of demineralized bone matrix (DBM) -putty and powder- radiographically using digital densitometry on panoramic radiographs in maxillary sinus floor augmentation procedures.Twelve subjects needing bilateral maxillary sinus floor augmentation for the placement of osseointegrated implants were included in this study. The left and right maxillary sinuses were augmented in the same session in each patient using the two pr...
Abstract The success rate of immediate tooth replacement has been well documented with success in the literature. To minimize facial gingival recession, an intact labial bony plate along with an osseous-gingival relationship of 3mm on the facial aspect of the failing tooth has been suggested. This article mentions a technique, wherein the amount of available labial and palatal bone of an extracted socket can be assessed by using the extracted tooth which is to be replaced with a endossous implant and a ridg...
