RESUMO
The IPS Empress system is a highly esthetic hot pressed glass ceramic material for fabrication of single crowns. Adhesive cementation of the system not only contributes to the esthetics but is necessary for increased strength of the crown. The purpose of this prospective clinical trials was to evaluate the longevity of 75 adhesively cemented Empress full crowns. An additional aim was to assess the adhesive cementation methodology and potential side effects. At the three-year point, one molar crown fractured for a 1.3 percent failure rate. The resin cementation technique that was employed exhibited a low incidence of microleakage with few clinical side effects. There was a 5.6 percent incidence of post-cementation sensitivity, with all symptoms subsiding by eight weeks. None of the crowns in the study required endodontic therapy.
Assuntos
Silicatos de Alumínio , Coroas , Porcelana Dentária , Adolescente , Adulto , Idoso , Cimentação , Resinas Compostas , Planejamento de Prótese Dentária , Falha de Restauração Dentária , Estética Dentária , Humanos , Pessoa de Meia-Idade , Estudos Prospectivos , Pigmentação em Prótese , Preparo Prostodôntico do Dente/métodos , Resultado do TratamentoRESUMO
Although porcelain-fused-to-metal (PFM) restorations are the most widely used full-coverage crown restoration systems, their inherent properties make the achievement of natural aesthetic restorations an elusive task. In contrast, the all-ceramic system (IPS Empress, Ivoclar North America, Amherst, NY) offers excellent translucency and vitality, without the opacity associated with PFM restorations. Its vitality is further enhanced by an adhesive resin cementation method that conducts the color of the underlying tooth structure. This article reports the status of a 5-year investigation, initiated in 1992, of the clinical performance of the IPS Empress all-ceramic system and the resin cementation system used with it.
Assuntos
Silicatos de Alumínio , Coroas , Porcelana Dentária , Adolescente , Adulto , Idoso , Cimentação/métodos , Restauração Dentária Permanente/métodos , Prótese Parcial Temporária , Humanos , Pessoa de Meia-Idade , Pigmentação em Prótese , Preparo Prostodôntico do Dente/métodosRESUMO
Although porcelain-fused-to-metal (PFM) restorations are the most widely used full-coverage crown restoration systems, their inherent properties make the achievement of natural aesthetic restorations an elusive task. In contrast, the all-ceramic system (IPS Empress, Ivoclar North America, Amherst, NY) offers excellent translucency and vitality, without the opacity associated with PFM restorations. Its vitality is further enhanced by an adhesive resin cementation method that conducts the color of the underlying tooth structure. This article reports the status of a 5-year investigation, initiated in 1992, of the clinical performance of the IPS Empress all-ceramic system and the resin cementation system used with it.
