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At least 847 records · Page 47Linked to original sources
PubMed2002

Immediate placement/immediate load: a single-tooth case study utilizing the ITI dental implant system.

For the past 35 years, endosseous dental implants have revolutionized the methods clinicians use to treat edentulous and partially edentulous patients. Initially recommended only to rehabilitate fully edentulous patients utilizing fixed prosthetics, endosseous dental implants were then shown to be effective to treat partial edentulism. Over the last decade, numerous studies have documented successful placement of endosseous dental implants in fresh extraction sites, and methods have been developed to provisionalize both full-arch and single-tooth implant cases at the time of surgery. This article describes the immediate placement/immediate load of a single ITI dental implant.

Crowns↗
PubMedDate not supplied

The effect of placement of glass fibers and aramid fibers on the fracture resistance of provisional restorative materials.

The fracture resistance of provisional restorations is an important concern for the restorative dentist. The fracture resistance of a material is directly related to its transverse strength. Six specimens of similar dimensions were prepared from three resins (PMMA, PEMA and BIS acryl-composite). The resins were reinforced with glass and aramid fibers. The samples were tested immediately after the material set, following seven days of wet storage using three-point compression loading. The results were analyzed with an analysis of variance (ANOVA). Fracture resistance of the specimens was statistically different (p < 0.001) among the materials. Specimens reinforced with glass fibers showed higher transverse strength (149.82 MPa). The fiber reinforcement of resin materials increased the strength values (20-50%). Within the limitations of this study, the transverse strengths of PMMA, PEMA and BIS acryl-resin composites were improved after reinforcement with glass and aramid fibers.

Acrylic Resins↗
PubMed2002

[An experiment study on repairing residual dental root with a horn-shaped orifice by different materials].

When a traditional method is used to repair residual dental root with horn-shaped orifice, this kind of dental root often has to be extracted since the success rate in clinic is very low. The main reason is that the stress often concentrates on the neck and root apex, therefore the wall at the orifice is too thin to bear this kind of pressure. A new repairing method is proposed trying to preserve the residual dental root with horn-shaped orifice. Then compare the anti-fracture ability of this kind of tooth with that of no repairing. The results show that it is very effective to prevent the fracture of residual dental root repaired by chemical hard synthetic resin followed by making the post and core. However, there is no obvious difference between non-repaired and residual dental root groups repaired by traditional glass ionic adhesives. The results also provide the great possibility to preserve the residual dental root with horn-shaped orifice in clinic.

Dental Restoration, Temporary↗
PubMedDate not supplied

Immediate implantation with provisionalization: from literature to clinical implications.

Numerous studies have confirmed the predictability of dental implants used for the replacement of a single missing tooth. Successful application of this surgical protocol is still technique sensitive and should be executed only by experienced restorative teams. Factors such as implant stability, implant design, immediate loading, provisionalization, and various others have a direct influence on the result of this procedure. This article reviews current literature on immediate implant placement and provides clinical guidelines aimed at improving the use of this technique in daily restorative practice.

Dental Abutments↗
PubMed2003

Techniques for immediate core buildup of endodontically treated teeth.

Access to the pulp chamber for endodontic treatment is indicated inter alia as a result of extensive caries, trauma to the tooth causing fracture or loss of vitality, requiring restoration of the missing tooth structure. Different approaches and materials are described in the literature for foundation restorations, either with a cast post and core or immediately, with a chairside post-and-core system. This article briefly reviews the current data regarding the microbiologic, prosthetic, mechanical, and periodontal aspects while emphasizing the immediate approach using amalgam, resin composites, and glass ionomers. Factors affecting retention of the post are presented to guide the clinician in selecting a suitable post-and-core system to preserve optimal root structure and prevent root fracture. Three clinical cases are presented in which tooth structure was restored using different techniques: in the first two, provisional acrylic resin shells, one custom made and the other prefabricated, were used to house an amalgam coronal-radicular dowel core, where in the third case, a copper band was used for a composite post-and-core system. All cases emphasize the ease of production and short chairtime in the stages of crown fabrication.

Acrylic Resins↗
PubMed2003

Single-tooth implants in the maxillary incisor region with immediate provisionalization: 2-year prospective study.

Osseointegrated implants have been increasingly used for aesthetic, predictable restorative treatment. This study presents the 2-year postoperative results of patients treated with immediate, single, tapered implants in the maxillary incisor region and the simultaneous placement of provisional implant-supported crowns. Of the total of 92 implants placed, 6 were lost. Eighty-six implants were reevaluated and judged to have no signs of mobility, peri-implant inflammation, or adverse reactions. When used in selected cases, this technique facilitated maintenance of the gingival architecture adjacent to immediate transalveolar implants.

Crowns↗
PubMed2003

[Calcium hydroxide-based pastes used in endodontics].

The aim of the present study is to propose a classification of calcium hydroxide pastes on the basis of the vehicle that retains the calcium hydroxide. The vehicle determines the working characteristics of the calcium hydroxide: viscous and only vehicles prolong the action of the calcium hydroxide as compared with water-soluble substances. Physicochemical properties of the vehicle may limit the effectiveness in disinfecting the entire root canal system. As calcium hydroxide is not effective against all bacterial species found in root canal infections, associations with other medicaments have been proposed to enhance the efficacy of the intracanal medication.

Anti-Infective Agents, Local↗
PubMedDate not supplied

Provisional implants for anchoring removable interim prostheses in edentulous jaws: a clinical study.

PURPOSE: The behavior of provisional implants in edentulous maxillae/mandibles used for anchoring removable interim overdentures was followed for the time of the intended healing of the definitive implants. MATERIALS AND METHODS: Twenty-eight edentulous arches (19 maxillae, 9 mandibles) were provided with 77 provisional implants (2 to 4 in maxillae; 2 or 3 in mandibles) for anchoring removable interim prostheses (overdentures). The provisional implants were to be maintained until final restoration (6 to 9 months in the maxilla and 3 months in the mandible). The loss rate of provisional implants and handling and behavior of the anchored overdenture were monitored until the definitive prosthetic restoration was placed. RESULTS: Twenty-three (29.8%) of the 77 provisional implants were lost prematurely. The loss rate of maxillary provisional implants (21/58; 36.2%) was significantly higher than that of mandibular implants (2/19; 10.5%) (P < .01). Determination of terminal stability (by means of the Periotest) of the provisional implants showed higher stability in the mandible (+3.8 +/- 2.3) than in the maxilla (+8.6 +/- 3.9) (P < .05). In obvious contrast to mandibular interim overdentures, handling of maxillary interim overdentures was found to improve significantly during the follow-up period (P < .01). DISCUSSION AND CONCLUSION: With both the low loss rate in the mandible and the higher loss rate seen in the maxilla, placement of provisional implants fulfills the requirements for initiating immediate prosthetic rehabilitation. The removable interim overdenture can be adequately stabilized and provides for added patient comfort and satisfaction as compared to a conventional complete denture. An important aspect of the continued use of provisional implants concerns the expectations placed in these implants by both clinician and patient, which are quite different than those for definitive implants.

Chi-Square Distribution↗
PubMed2003

[Dental ingenuity 2. Implant treatment using transitional implants].

The applications in oral implantology are strongly increased due to the advance in the field of osseointegration and in material technology. As a result of this gained knowledge the area of indications increased in both edentulous and partially dentate patients. With the extension of the indications of dental implants there also is a growing patients' demand for direct replacement of lost tooth. Sometimes it is possible to fulfill the expressed wish of immediate loading. In case of poor bone quantity or quality this is impossible. Transitional implants supply the prosthodontist with an additional possibility to fulfill the need for uninterrupted healing as well as patients' demands for immediate functional and esthetic restorations.

Dental Implantation, Endosseous↗
PubMed1992

Glass-ionomer-silver-cermet interim Class I restorations for permanent teeth.

Glass-ionomer-silver-cermet cement has proved to be a worthy alternative to silver amalgam for restoring certain Class I lesions in primary teeth. Such restorations are now known to last up to 8 years without need for repair or replacement. Cermet cement has also been used for interim restoration of permanent teeth in special cases, with ideal results. The procedure for placing a glass-ionomer-silver-cermet cement Class I restoration is described.

Adolescent↗
PubMed1992

Clinical procedures in fabricating post and core restorations: case reports.

In this series of case reports, unusual clinical procedures in the implementation of post and core restorations are demonstrated and their difficulties are discussed. First a method for preparing an immediate post and amalgam core, while utilizing the provisional self-curing acrylic resin crown as a matrix for the condensation of amalgam, is presented. The second technique is the fabrication of a cast post and core restoration that fits an abutment root as well as the existing crown of a four-unit fixed restoration. The third case illustrates the clinical procedures involved in preparing an immediate post and core restoration through an opening in the crown, when the extended fixed restoration cannot be removed.

Dental Abutments↗