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PubMed1991

Current developments in esthetic dentistry.

Current developments in esthetic dentistry center around new techniques and materials that improve the clinician's ability to provide esthetic services. These developments include the availability of improved composites for anterior and posterior use, a new generation of dentin bonding agents, bonded ceramic restorations, and more efficient and predictable ways to whiten teeth. There is a better understanding of factors contributing to the esthetic value of restoration as well as their longevity. New bonding techniques to dentin enable practitioners to perform difficult restorative procedures in a conservative manner, producing results that are highly esthetic and physiologically tolerable. The use of dental porcelains has expanded from the traditional applications in crowns and bridges to veneers, inlays, onlays and all-porcelain bridges that are directly bonded to teeth. Computer-designed and fabricated inlays and onlays are now an available treatment modality, with a reported 3-years follow-up looking very promising. The increasing public demand for esthetic dental procedures has made the discipline a significant part of dental practice and boosted interests and understanding of procedures, such as tooth bleaching and peridontal surgery, for improved esthetics.

Composite Resins↗
PubMed1991

[Esthetic adhesive filling in posterior teeth--an illusion?].

This study demonstrates once more the high caries incidence of the proximal surfaces of molar teeth. If the lesions are completely excavated so that the cervical margin is free of any caries, more than 33-57% of all cavities, depending on the type of tooth, are not suited for acid etch procedures, because there is less than 1 mm of sound enamel, or none at all. In these cases the adhesive filling technique is contraindicated.

Acrylic Resins↗
PubMed1991

Clinical evaluation of direct esthetic restorations in cervical abrasion/erosion lesions: one-year results.

One hundred sixteen cervical abrasion/erosion lesions were restored with one of the following techniques: (1) glass-ionomer cement, (2) composite resin with a dentinal bonding agent, or (3) composite resin with a glass-ionomer cement liner and a dentinal bonding agent. The restorations were assessed at baseline and at 6 months and 1 year postrestoration for retention, caries, color match, marginal staining, and surface texture. No statistically significant differences were found in retention, caries, color match, or marginal staining. A statistically significant difference was found with regard to surface texture: glass-ionomer cement restorations demonstrated a rougher surface than did the composite resin restorations. A substantial number of restorations composed of composite resin with a dentinal bonding agent demonstrated a color shift towards mismatch when evaluated at 6 months. This difference was not significant at the 1-year followup.

Bisphenol A-Glycidyl Methacrylate↗
PubMed1991

Factors affecting the process of color matching restorative materials to natural teeth.

Resin-based restorative materials have to not only function properly but also fulfill esthetic demands; restorations must harmonize in shape and shade with natural teeth. The human perception of color is affected by external factors. The influence of these factors is discussed in regard to two pairs of composite resins: Silux/Valux and Pekalux/Pekafill. With the knowledge of the influence of these factors and with the accuracy of modern color measurement instruments, it is today possible to carry out restorative work to meet the highest esthetic standards.

Color↗
PubMed1991

Faculty differences in replacement decisions for amalgam restorations.

During a 15-week period, six full-time faculty members supervised the replacement of amalgam restorations by clinical dental students. The tooth numbers, the amalgam surfaces replaced, the reasons for replacement, and the instructors were compared. The students removed 956 surfaces of amalgam from 436 teeth. The primary reasons cited for replacement were marginal breakdown (69%) and caries (33%).

Adolescent↗
PubMed1991

A multidisciplinary approach in achieving aesthetics and function.

This case report illustrates the successful management of a case of mutilated maxillary incisors in a 13 year old patient through a sequence of therapy designed to closely coordinate the various disciplines, endodontics, restorative dentistry and orthodontics, involved. Endodontics was directed towards the control of the infected pulp, restorative treatment was to reconstruct the broken down teeth in stages which were essential in the sequence of treatment, and orthodontics was involved in the achievement of functional occlusion and alignment. The comprehensive treatment approach combined to achieve satisfactory aesthetics and function.

Adolescent↗