Dentistry

Download Delmar's Dental Materials Guide by Donna J. Phinney, Judy H. Halstead PDF

By Donna J. Phinney, Judy H. Halstead

From amalgam to zinc oxide eugenol, the Dental fabrics advisor presents a short reference for the makes use of and homes of fabrics quite often present in dental perform. This crucial source can be utilized in the course of clinicals and labs and can also be a convenient learn instrument for examinations.

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3. Dry thoroughly but do not rinse. 19 CHAPTER 1 PRELIMINARY RESTORATIVE DENTAL MATERIALS D/SENSE ® CRYSTAL Courtesy of Centrix Dental MANUFACTURER: Centrix Dental USE: • • • • Desensitizer and cavity liner Prevention of cervical erosion and gingival recession Applied under crowns and bridges, when standard cement is used Applied to exposed dentin, such as around the margins of a temporary crown Applied under restorations • COMPOSITION: • • Solution of potassium binoxalate and nitric acid in water Free of HEMA, glutaraldehyde, and other toxic chemicals PROPERTIES: • • 21 One-step, dual-action material Fast acting CHAPTER 1 PRELIMINARY RESTORATIVE DENTAL MATERIALS 22 CHAPTER 1 PRELIMINARY RESTORATIVE DENTAL MATERIALS • • • • • Long-lasting results Reacts with the dentin to precipitate microcrystals of calcium oxalate and potassium nitrate Occludes dentinal tubules with calcium oxalate and potassium nitrate Time saving and less waste Gentle on soft tissues OSHA PRECAUTIONS: • • Eye and skin irritation possible If ingested.

After the material is placed, gently air-dry for 30 seconds or let air-dry for 2 minutes. The material has a frosty white precipitate. Repeat if needed. CHAPTER 1 PRELIMINARY RESTORATIVE DENTAL MATERIALS CAVITY LINERS AND LOW-STRENGTH BASES Cavity liners and low-strength bases are used in the cavity preparation where there is little or no dentin to cover the pulp. They have a variety of uses including protecting and soothing the pulp. Some stimulate the formation of secondary dentin and some contain fluoride to strengthen the tooth.

MANUFACTURER: Cooley & Cooley, LTD USE: • • Seals the dentin tubules Acts as a protective barrier COMPOSITION: • • Natural resins Organic solvents (ether alcohol, acetone, or chloroform) PROPERTIES: • • • • • • 49 Has a strong odor Does not exhibit any strength Does not provide any thermal insulation Insoluble in the oral fluids Reduces microleakage Prevents penetration of acids from cements and restorative materials CHAPTER 1 PRELIMINARY RESTORATIVE DENTAL MATERIALS 50 CHAPTER 1 PRELIMINARY RESTORATIVE DENTAL MATERIALS • • Non-acidic and non-irritating Solvent in the varnish will evaporate so it is important to keep the bottle tightly capped when not in use.

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