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      Implantes de carga inmediata con rehabilitación protésica implantosoportada en zona anterior: Presentación de un caso clínico Translated title: Immediate load implants with prosthetic rehabilitation supported by implants in the anterior area: Clinical case presentation

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          Abstract

          Una de las opciones de tratamiento para los pacientes que requieren el reemplazo de uno o varios dientes, es el uso de prótesis implantosoportadas como una alternativa de tratamiento. Una mayor demanda tanto estética como funcional por parte de los pacientes hace que se intente reducir el tiempo de carga del implante. Por lo que se han realizado varias modificaciones al protocolo quirúrgico y protésico convencional reduciendo el tiempo de carga al implante. El objetivo de este artículo es el de presentar la colocación de implantes de carga inmediata en la zona estética como una alternativa en el plan de tratamiento, y la importancia de la interdisciplina quirúrgico-protésica para lograr un mejor éxito del tratamiento.

          Translated abstract

          One of the treatment options offered to patients requiring replacement of one or more teeth is the use of prostheses supported by implants. Patients nowadays demand greater aesthetic and functional restorations; therefore, the clinician tries to reduce implant load time. All this leads to the implementation of several modifications to the conventional surgical and prosthetic protocol leading to a reduction in the load time of the implant. The objective of this article is to present placement of immediate load implants in an aesthetic zone as an alternative for the treatment plan, as well as highlighting the importance of observing surgical-prosthetic inter-discipline to achieve greater success in treatment.

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          Most cited references25

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          Osseointegration and its experimental background.

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            Quantitative determination of the stability of the implant-tissue interface using resonance frequency analysis.

            Bone anchored implants are now being used in dentistry for supporting intraoral and craniofacial prostheses. Although high success rates have been reported, a small number of implants may fail during the early healing phase or lateral in function. Currently available clinical methods to determine implant stability and osseointegration are relatively crude and may entail percussing a fixture with a blunt instrument. Radiographs are of value, but a standardised technique is necessary to ensure repeatability. This investigation was designed to study the application of a non-invasive test method using resonance frequency analysis to make quantitative measurements of the stability of the implant tissue interface in-vitro and in-vivo. The resonance frequency of a small transducer was measured when attached to implants embedded at different heights in an aluminum block. A strong correlation (r = 0.94, p < 0.01) was observed between the observed frequency and the height of implantation fixture exposed. The change in stiffness observed in the bone surrounding an implant during healing was modelled by embedding implants in self-curing polymethylmethacrylate and measuring the resonance frequency at periods during polymerisation. A significant increase in resonance frequency was observed related to the increase in stiffness. Resonance frequency measurements were also made on implants in-vivo and the results correlated well with the in-vitro findings.
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              The use of reduced healing times on ITI implants with a sandblasted and acid-etched (SLA) surface: early results from clinical trials on ITI SLA implants.

              ITI dental implants are available with two bone-anchoring surfaces, a titanium plasma-sprayed (TPS) surface, and a recently introduced sandblasted and acid-etched (SLA) surface. Cell culture and animal tests demonstrate that the SLA surface stimulates bone cell differentiation and protein production, has large amounts of bone-to-implant contact, and results in large removal torque values in functional testing of the bone contact. As a result of these studies, a prospective human clinical trial was initiated to determine whether the 4.1 mm diameter SLA ITI solid screw implants could be predictably and safely restored as early as six weeks after implant placement surgery. The protocol restricted the use of the reduced healing time to a) healthy patients with sufficient bone volume to surround the implant, and b) those patients who had good bone quality (classes I-III) at the implant recipient site. Patients with poorer bone quality (class IV) did not have restorations until 12 weeks after implant placement. The clinical trial is an ongoing multicenter trial, with six centers in four countries, and with follow-up over five years. The primary outcome variable was abutment placement with a 35 Ncm force, with no countertorque and no pain or rotation of the implant. A secondary outcome was implant success, as defined by no mobility, no persistent pain or infection, and no peri-implant radiolucency. To date, 110 patients with 326 implants have completed the one-year post-loading recall visit, while 47 patients with 138 implants have completed the two-year recall. Three implants were lost prior to abutment connection. Prosthetic restoration was commenced after shortened healing times on 307 implants. The success rate for these implants, as judged by abutment placement, was 99.3% (with an average healing time of 49 days). Life table analyses demonstrated an implant success rate of 99.1%, both for 329 implants at one year and for 138 implants at two years. In the 24-month period after restoration, no implant losses were reported for the 138 implants. These results demonstrate that, under defined conditions, solid screw ITI implants with an SLA endosseous surface can be restored after approximately six weeks of healing with a high predictability of success, defined by abutment placement at 35 Ncm without countertorque, and with subsequent implant success rates of greater than 99% two years after restoration.
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                Author and article information

                Journal
                rom
                Revista odontológica mexicana
                Rev. Odont. Mex
                Universidad Nacional Autónoma de México, Facultad de Odontología (México, DF, Mexico )
                1870-199X
                June 2013
                : 17
                : 2
                : 97-102
                Affiliations
                [01] orgnameUniversidad Nacional Autónoma de México orgdiv1Facultad de Odontología
                Article
                S1870-199X2013000200005 S1870-199X(13)01700200005
                60c60b5f-2d3b-42c0-a966-979805a77290

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 17, Pages: 6
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                SciELO Mexico

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                Casos clínicos

                osseo-integration,immediate load,Implants,oseointegración,carga inmediata,Implantes

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