preparation

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Adaptability of two amalgams to finished cavity walls in Class II cavity preparations.
The primary anesthetic efficacy parameter in this study was the subjective evaluation of pain during access cavity preparation and pulp extirpation.
Chi square test was used to compare success of inferior alveolar nerve block in group A and B after 45 minutes and access cavity preparation.
Students were introduced to cavity preparation techniques using rotary instruments in January 2011.
Table I: Indications and laser wavelengths in dentistry Application Laser system Cavity preparation Er:YAG Endodontics Nd:YAG, diode, Er:YAG Calculus removal Er:YAG, ErCr:YSGG Epithelial removal CO2, diode, Nd:YAG, ErYAG Drug-induced gingival CO2, diode overgrowth Peri-implant gingival CO2, diode overgrowth Peri-implantitis theraphy CO2, diode, Er:YAG Soft tissue tumors CO2, diode, Nd:YAG, Er: YAG Preprosthetic surgery CO2, diode Precancerous lesions CO2, Er:YAG Bone removal Er:YAG, Er,Cr:YSGG Bleeding disorders Nd:YAG, diode, CO2 Bacterial reduction PDT, diode Phototherapy soft lasers
A histopathological and immunohistochemical study of dental pulp and pulpal nerve fibers in rats after the cavity preparation using Er:YAG laser.
In the first procedure; the mean students' score for cavity preparation was 7.
Interim Therapeutic Restorations may be used to restore and prevent dental caries in young patients, uncooperative patients, patients with special health care needs, and situations in which traditional cavity preparation and/or placement of traditional dental restorations are not feasible.
Supported by its Show-n-Tell built-in learning system, ZW3D includes data exchange to allow efficient reuse and sharing of designs, hybrid modeling with its unique Overdrive kernel, mold and die design with cavity preparation tools and component libraries, and intelligent, adaptive CNC machining from 2-axis through to 5-axis.
They accepted the fact that the complete removal of softened dentinal tissue--irreversibly compromised--using only manual instruments and no anesthesia could be considered a form of definitive cavity preparation, followed by immediate restoration of the cavity in a single session.