Evaluation of dentures processed by different techniques

Evaluation of Vickers hardness of different types of acrylic denture base resins with and without glass fibre reinforcement

“…In addition to attempting to improve the resistance to fracture of acrylic resins by the addition of a reinforcing material, several polymerisation methods have been tested with the aim of minimising the problems related to the polymerisation process 11 , some of which are auto‐polymerisation 12 , dry polymerisation 13 and microwave polymerisation 14 . The hardness of a material is an important issue to address, because its resistance to abrasion is directly related to its longevity 15,16 .…”

Dimensional accuracy of epoxy resins and their compatibility with impression materials

“…This should be borne in mind when die materials such as epoxy resins are being used." Peyton (1965) in an evaluation of materials used for indirect 9 techniques stated the epoxy die material offer some difficulties in completely filling the cusp detail of the impression because of the tendency to entrap air as the resin mass is placed in the impression.…”

Flexible Dentures: A Boon in Compromised Conditions

“…Dentures were also made up of wood, bone, ivory in ancient times. [1][2][3][4] Alexis Duchateau (1774) was the first to fabricate porcelain dentures. In 1788 AD, a French dentist, Nicholas Dubois de Chemant, made a bakedporcelain complete denture in a single block.…”

“…Dr.Walter Wright (1937) introduced Polymethyl methacrylate as a denture base material which became the major polymer to be used in the coming ten years. [1][2][3][4] Thermoplastic materials were first introduced in 1950's and consisted of different grades of polyamides (nylon plastics). Rapid injection systems originated in 1962 introducing Flexite thermoplastic material which was a flouropolymer (Teflon like).…”