The art of temporization: facial changes through aesthetic dentistry.
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UNLABELLED: The successful introduction of endosseous implants has significantly changed dental treatment planning and therapy. To date, implants can be utilized not only to convert removable prostheses into fixed restorations, but also to improve the overall functional and aesthetic outcome. The sequence of treatment involving the different disciplines in the comprehensive treatment of the patient is an important factor needed to achieve excellence in complex restorative cases. This article presents a comprehensive interdisciplinary approach to a complex full-mouth fixed reconstruction in the aesthetically and functionally compromised partially edentulous patient. LEARNING OBJECTIVES: This article describes a sequential approach to the interdisciplinary treatment of a partially edentulous patient. Upon reading this article, the reader should be able to: Understand the relevance of proper diagnosis and treatment planning on full-mouth rehabilitations. Identify the goals for the various sequences involved in treating complex restorative cases.
PURPOSE: This study evaluated the survival parameters of single-tooth implants through clinical and radiographic analysis. MATERIALS AND METHODS: Implants were restored within a 24-hour period with a provisional crown designed to receive an occlusal masticatory load. This approach was compared to implants restored after a healing period (the control group). Forty-six implants were placed in 23 patients who were each treated with 2 Frialit-2 implants placed in sites between the second premolar in the maxilla or mandible. The manufacturer's recommended formal surgical procedure was followed, and primary stability was standardized with a minimum insertion torque of 20 Ncm. The sites were randomly selected, and the clinical and radiographic parameters were standardized with individual templates. RESULTS: Data were collected at 24 h, and at 1, 3, 6, 12, 18, and 24 months. The experimental group included 10 failed implants; 9 of the failed implants had been placed with an insertion torque of 20 Ncm. One implant from the control group failed during the 24-month follow-up period. The survival rate was independent of implant length, site position, and bone quality and quantity. Relative risk for implant failure was associated with insertion torque (relative risk 0.79 [CI: 0.66-0.930]; Cox regression) (P < or = .007), in the experimental group but was not significant for those in the control group (ie, implants placed after a healing period; relative risk 0.78 [CI: 0.34-1.78]; Cox regression) (P < or = .057). To achieve osseointegration, it was found that an insertion torque above 32 Ncm was necessary (chi2= 15.68; P < or = .004). DISCUSSION: A careful evaluation is necessary for a better understanding of the survival rates of immediately loaded implants. In this study, insertion torque was associated with the potential for risk, which can be decreased by 20% per 9.8 Ncm added. CONCLUSION: Given these results, and considering the number of patients treated, immediate provisional crowns should only be proposed with early loading if an appropriate initial insertion torque has been applied.
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The success and acceptance of anterior aesthetic restorations is based on a shared common vision and understanding between the patient and the clinician. If each has a different perception of how the definitive restorations will appear, this may lead to disappointment and refusal of the final restorations by the patient. This article describes the treatment of six maxillary anterior teeth with porcelain veneers using a practical approach that allows the dentist and the patient to agree on the appearance of the final restorations prior to actual fabrication and fitting of the definitive veneers.
In the period of 6 months after tooth 237 dental implants were installed. The loading was implemented in 1-4 weeks, 2-3 months and also 4-8 months after the operation. A significant correlation of the results of the early charge on the implants with the type of prosthetic construction was found out. The artificial crowns which splint dental implants and natural teeth proved to be the most effective. By such prosthetic treatment the successful outcomes were achieved the more often the earlier the charge begins. The results of the examination confirm the expediency of early dental implantation and early loading on implants.
There is an increased demand for restoration of anterior teeth based on esthetic requirements. Oftentimes, the teeth restored are compromised and have minimal remaining dentin after undergoing root canal treatment. Reduction of nonaxial forces by controlling incisal guidance is essential in improving the long-term prognosis of such situations. Another common complication when crowning anterior teeth is the lack of palatal space for restorative material. This is often evident in patients with anterior tooth wear and deep overbite. This article describes the Dahl principle, a conservative method for controlling incisal guidance and gaining palatal space for restorative material. A case presentation is used to illustrate the concepts discussed.
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Excellence in restorative dentistry requires teamwork between the patient, dentist, and laboratory technician. This can occur only when there is mutual trust and respect. Many years ago (and in some cases still today), the technician was denigrated and also blamed for the lack of excellence in fit, occlusion, and shade. All of these problems can be avoided by sharing in the diagnosing and planning of a restorative case. Major differences will result when this occurs and all parties will benefit.
Restoring dentitions with dental implants is an extremely gratifying procedure for the dental professional. However, the traditional approach of delayed loading requires surgical, prosthetic and patient management gymnastics, often necessitating extended treatment over one year, with multiple relines of fixed provisional restorations or even long periods with removable prostheses. The purpose of this article is to outline a simplified protocol for the immediate loading of the edentulous arch. By adhering to this protocol, the dental team can provide patients with an immediate functional, esthetic and fixed restoration, thereby avoiding the multitude of issues associated with delayed loading and enhancing patient satisfaction.
In order to determine the optimal method of patient care, the patient's existing clinical condition must be accurately diagnosed and treatment objectives (eg, biocompatibility, aesthetics, long-term function) established accordingly. Once analysis of the condition is complete, the correct restorative procedure can be selected and the complications presented by the patient can be addressed. Comprehensive radiographic and clinical examinations are integral in determining the preoperative status of the patient and, consequently, in evaluating the possibility of actually achieving a successful rehabilitation.
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The ability of the dental professional to improve a patient's smile has become a benchmark in modern aesthetic dentistry. When one type of tooth is transformed into another through the restorative process, special care must be taken to ensure correct preparation and gingival contours to create the illusion that the teeth are in their correct position. With accurate digital photographic planning, active patient consultation, detailed tooth preparation, and a meticulous laboratory sequence, porcelain laminate veneers can be functional and can achieve the aesthetic expectations of the patient.
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Placement of porcelain laminate veneers has become a relatively common procedure. Occasionally it is necessary to fabricate provisional restorations. For these situations, the use of self-curing acrylic resin and composite resin has been described in the literature. Extensive trimming and finishing procedures are often necessary, and, because of the inherent fragility of the materials, the provisional restorations are prone to breakage. To improve the technique, visible light-curing acrylic resin can be used to fabricate direct provisional restorations. The material is available in several shades, has excellent manipulative properties, and does not necessarily require a custom matrix, offering significant advantages over a composite resin or self-curing acrylic resin.
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Explore the source record for details and available documents.