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1.
The Journal of Advanced Prosthodontics ; : 204-215, 2011.
Artigo em Inglês | WPRIM | ID: wpr-116674

RESUMO

PURPOSE: The aim of this retrospective study is to analyze the relationship between local factors and survival rate of dental implant which had been installed and restored in Seoul Veterans Hospital dental center for past 10 years. And when the relationship is found out, it could be helpful to predict the prognosis of dental implants. MATERIALS AND METHODS: A retrospective study of patients receiving root-shaped screw-type dental implants placed from January 2000 to December 2009 was conducted. 6385 implants were placed in 3755 patients. The following data were collected from the dental records and radiographs: patient's age, gender, implant type and surface, length, diameter, location of implant placement, bone quality, prosthesis type. The correlations between these data and survival rate were analyzed. Statistical analysis was performed with the use of Kaplan-Meier analysis, Chi-square test and odds ratio. RESULTS: In all, 6385 implants were placed in 3755 patients (3120 male, 635 female; mean age 65 +/- 10.58 years). 108 implants failed and the cumulative survival rate was 96.33%. There were significant differences in age, implant type and surface, length, location and prosthesis type (P.05). CONCLUSION: Related factors such as age, implant type, length, location and prosthesis type had a significant effect on the implant survival.


Assuntos
Humanos , Masculino , Implantes Dentários , Registros Odontológicos , Hospitais de Veteranos , Estimativa de Kaplan-Meier , Prognóstico , Próteses e Implantes , Estudos Retrospectivos , Taxa de Sobrevida
2.
The Journal of the Korean Academy of Periodontology ; : 293-301, 2009.
Artigo em Coreano | WPRIM | ID: wpr-183848

RESUMO

PURPOSE: The purpose of this study is to show the total survival rate of implants with maxillary sinus floor elevation and the effects that reach the survival rate by classifying types of graft materials, implant surface, operation method, bone height. METHODS: In a total of 131 patients, 251 implants with sinus floor elevation were installed simultaneously or after regular healing. Various bone grafts (autograft, xonograft, allograft, alloplast) and implant surface (MTX-HA implant, chemical etching implant, Titanium oxide surface implant, resorbable blasting media implant, resorbable blast texturing implant, HA-coated implant) were used. All implants were investigated clinically and radiographically, being with 1 to 5 years follow-up period after installation. RESULTS: The survival rate of 251 implants with maxillary sinus floor elevation was 94%. The types of implant, surface, graft material, bone height have no statistically signi-ficant differencies. CONCLUSIONS: It can be suggested that maxillary sinus floor elevation may have predictable result with various bone graft materials and implant surface.


Assuntos
Humanos , Implantes Dentários , Pisos e Cobertura de Pisos , Seguimentos , Seio Maxilar , Estudos Retrospectivos , Taxa de Sobrevida , Titânio , Transplante Homólogo , Transplantes
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