Dental Materials

Orthodontic Wires Write a short note on orthodontic wires. Answer: Various types of orthodontic wires are used in both fixed and removable prosthodontics for tooth movement and stabilization. Classification Of orthodontic wires: On Basis of Elastic Behavior Type1: Wires displaying linear elastic behavior during unloading at temperatures till 50°C Type 2: … [Read more...] about Orthodontic Wires: Types, Properties

Stainless Steel In Dentistry Write briefly on stainless steel. Answer: Steel is an iron-based alloy that consists of less than 1.2% carbon. When 12 to 25% of chromium is added to steel, the alloy is known as stainless steel. Types of Stainless Steel: Based on the different crystalloid configurations of the structure, stainless steel is of three types, i.e. … [Read more...] about Stainless Steels in Dentistry and Orthodontics

Blue Inlay Casting Wax Blue inlay wax: Blue inlay wax is a type of pattern wax that is used for making patterns for inlays, crowns, and bridges which is later replaced by metal or alloy. Ideal Requirements of Blue Inlay Wax: When soften, the wax should be uniform, there should be no graininess or hard spots in the plastic material. The color should contrast with … [Read more...] about Inlay Casting Waxes & Wax Pattern Fabrication

Casting Shrinkage Of Certain Dental Alloys Compensation of Casting Shrinkage: For Gypsum-bonded Investments Normal expansion. Hygroscopic setting expansion. Thermal expansion. 1. Normal Setting Expansion: As the water gets mixed with investment powder, water surrounds the calcium sulfate crystals and convert them into calcium α–dihydrate. Setting expansion … [Read more...] about Casting Shrinkage Of Certain Dental Alloys

Dental Waxes   Dental wax can be defined as a thermoplastic molding material that is solid at room temperature and when subjected to moderate temperatures becomes a low viscosity liquid. "Role Of Thermal Expansion In Dental Wax Properties" Composition of Dental Wax: "Best Ways To Understand Dental Wax Composition" Application of Dental Wax: Used … [Read more...] about Dental Waxes: Composition, Properties, Types, and Applications in Dentistry