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Chairside custom staining and characterization of porcelain can influence significantly the quality of porcelain restorations and dentist-patient relationships. Technical guidelines have been presented to assist the dentist.
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Explore the source record for details and available documents.
The technique described provides the dentist with a customized shade guide for each patient. A shade selection is made before the preparation appointment. The laboratory can supply the dentist with a preview of the finished restoration (Fig. 4) to provide a second chance to match tooth shades without an extra appointment or remakes.
This article describes the duplication of porcelain denture teeth in acrylic resin. The method allows the patient to use their existing denture as a transitional prosthesis without harming opposing restorations.
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A method that uses Isosit material to fabricate custom-made denture teeth and denture base has been described. The advantages of this technique are the denture teeth can be made to function in harmony with dynamics of the stomatognathic system; any type of occlusal scheme can be used; the material is esthetically pleasing; it can be characterized; it can be used as a denture base material, which can also be characterized; it can be repaired, relined, or rebased with little difficulty; and laboratory procedures can be accomplished in the dental office or laboratory.
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Nine patients, five women and four men, demonstrated bone growth in an edentulous region of the posterior mandible covered with a pontic. The reasons for this bone growth could include genetic predetermination, functional stresses, and chronic irritation. This bone growth has important clinical and basic science implications. The condition was seen only in adults, only in the mandibular posterior region, and with a variety of pontic designs. Subpontic osseous proliferation was documented in nine patients, but no conclusion about the etiology was made.
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A technique for fabrication of custom shade tabs in tooth form has been presented. The finished product will be a series of custom shade tabs. Any temporary (provisional) resin material can be used.
A chart that allows the reader to appreciate the diverse factors involved in esthetic matching has been presented. Although substantial information is presented in the chart, it is incomplete; and future research will contribute additional information. The chart is not intended as a substitute for learning, but a stimulus to further study.
Three different batches of three commercially available porcelains were applied to 36 specimens of two noble alloys. The shades were visually compared by nine observers. Results indicated the following. No color differences were found among specimens of individual batches. Discerning color changes were observed among three batches of one brand of porcelain. The porcelain fired in the laboratory may not match the manufacturer's standard shade guide. Batch to batch variation of porcelain may necessitate the fabrication of customized shade tabs with fresh batches of porcelain.
A method of treating patients who require a complete maxillary denture opposing a mandibular bilateral distal-extension removable partial denture has been described. This technique attempts to minimize the destructive changes seen in these patients by carefully distributing occlusal stress over the hard and soft tissues and by developing an occlusal relationship that is stable and balanced.
A 2-year report on 10 acid-etched fixed partial dentures was presented. Similar to other studies, it indicates that the acid-etched fixed partial denture is a clinically acceptable restoration for properly selected patients.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.