Dental Materials

Understanding Supernumerary Teeth: Types And Causes Question 1. Supernumerary teeth. Answer: The presence of any extra tooth in the dental arch in addition to the normal series of teeth is called supernumerary teeth. It may develop from Accessory tooth bud Splitting of the normal tooth bud It is more common in the maxilla. Super numerary teeth Types: … [Read more...] about Understanding Supernumerary Teeth: Types And Causes

Malleability And Ductility-Physical Properties Write a short note on malleability and ductility. Or Write a short note on ductility. Or Write briefly on malleability and ductility. Or Write a short note on ductility and malleability. Answer: Malleability: It is the ability of the material to withstand rupture under compression as in hammering or rolling into a … [Read more...] about Malleability And Ductility-Physical Properties

Understanding Annealing: Reversing Cold Work In Dental Alloys Write a short note on annealing. Answer: The effect associated with cold working (for example, Strain, Hardening) can be reversed by simple heating of the metal. The process is called annealing. The more severe the cold working the more readily annealing occurs. Annealing is generally comprised of three stages … [Read more...] about Understanding Annealing: Reversing Cold Work In Dental Alloys

Hardness Testing Insight Write a short note on the hardness test. Or Describe briefly hardness.  Or Write a short note on hardness.  Answer: In mineralogy hardness to described as the ability of a material to resist scratching. In metallurgy and in most other fields, the resistance to indentations is called “hardness”. In hardness tests, a small indenter is forced … [Read more...] about Hardness Testing Insight

Understanding Creep Deformation In Dental Amalgam Write a short note on creep and flow. Or Write a short note on creep. Or Write the short answers on creep and flow. Answer: 1. Creep: Time-dependent plastic deformation or change of shape that occurs when a metal is subjected to a constant load near its melting point is known as creep. This may be static or … [Read more...] about Understanding Creep Deformation In Dental Amalgam