Ideal Requirements Maxillofacial materials are used to correct facial defects or deformities resulting from cancer surgery, accidents or congenital deformities. The nose, ears, eyes or any other part of the head and neck may be reconstructed by these prostheses. They are also used in the movie industry for special effects. Ancient Chinese and Egyptians used waxes … [Read more...] about Maxillofacial Prosthetic Materials Notes
Dental Materials
Dental Casting Alloys Notes
Metal Restorations In Dentistry Metal restorations and prostheses are an integral part of dentistry. Metals are among the strongest materials and provide strength and durability to any structure. There are two ways of constructing a metal restoration—direct and indirect. Direct techniques have been used in modern dentistry since the introduction of direct filing … [Read more...] about Dental Casting Alloys Notes
Gypsum Products Dental Notes
Gypsum Products Read And Learn More: Basic Dental Materials Notes Tests for measuring setting time Initial Gillmore test for the initial set Vicat test for setting time Gillmore test for final setting time Accelerator: Decreases setting time Example: NaCl in small concentration, gypsum < 20% K2SO4 is commonly … [Read more...] about Gypsum Products Dental Notes
Metal Joining And Dental Lasers Notes
It is often necessary to construct a dental appliance as separate parts and then join them together either by a soldering or welding process. Dental brazing is covered by ISO 9333. Terms And Definitions Metal joining operations are usually divided into four categories: welding, brazing, soldering, and cast-joining. Welding The term welding is used if two pieces of … [Read more...] about Metal Joining And Dental Lasers Notes
Abrasion And Polishing In Dentistry Notes
Before any restoration or appliance is placed permanently in the mouth it should be highly polished. In spite of all the care taken during processing, many restorations and prostheses usually require further trimming, smoothing and finally polishing. A rough or unpolished surface may Be uncomfortable to the patient Cause food and other debris cling to it and make … [Read more...] about Abrasion And Polishing In Dentistry Notes