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1.
Folia Med Cracov ; 64(1): 97-110, 2024 Jun 30.
Artigo em Inglês | MEDLINE | ID: mdl-39254586

RESUMO

OBJECTIVE: Analyze the influence of oral hygiene guidance for the maintenance of fixed partial dentures (FPD) and the influence of this treatment on the quality of life (QL) of rehabilitated patients. MATERIAL AND METHODS: The Simplified Oral Hygiene Index (OHI-S) and Bleeding on Probing Index (BOP) methods was employed to evaluate oral hygiene (OH), and the OHIP-14 questionnaire to assessment QL. The sample consisted of 33 patients (26 females and 7 males, mean age 51.53 years) in treatment with FPD. The OH and QL assessments were conducted in temporary FPD placing session and 30 days after definitive cementation. R e s u l t s: OHI-S and BOP showed increasing results (p <0.05) comparing initial and final assessments. There was a negative correlation between OHI-S and BOP, in both periods of analysis. The OHIP-14 showed a significant result according to the Likert scale scores, with an impact reduction from 9.33 to 0.57. CONCLUSIONS: It was concluded that FPD rehabilitations need of properly oral hygiene guidance, that could be influence on oral health status. In addition, the FPD rehabilitation improved the QL of the patients.


Assuntos
Prótese Parcial Fixa , Saúde Bucal , Higiene Bucal , Qualidade de Vida , Humanos , Feminino , Qualidade de Vida/psicologia , Masculino , Pessoa de Meia-Idade , Adulto , Índice de Higiene Oral , Idoso , Inquéritos e Questionários
2.
J Oral Implantol ; 46(1): 27-34, 2020 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-31647692

RESUMO

This study analyzed the biomechanical behavior of rigid and nonrigid tooth-implant supported fixed partial dentures. Different implants were used to observe the load distribution over teeth, implants, and adjacent bone using three-dimensional finite element analysis. A simulation of tooth loss of the first and second right molars was created with an implant placed in the second right molar and a prepared tooth with simulated periodontal ligament (PDL) in the second right premolar. Configurations of two types of implants and their respective abutments-external hexagon (EX) and Morse taper (MT)-were transformed into a 3D format. Metal-ceramic fixed partial dentures were constructed with rigid and nonrigid connections. Mesh generation and data processing were performed on the 3D finite element analysis (FEA) results. Static loading of 50 N (premolar) and 100 N (implant) were applied. When an EX implant was used, with a rigid or nonrigid connection, there was intrusion of the tooth in the distal direction with flexion of the periodontal ligament. Tooth intrusion did not occur when the MT implant was used independent of a rigid or nonrigid connection. The rigid or nonrigid connection resulted in a higher incidence of compressive forces at the cortical bone as well as stress in the abutment/pontic area, regardless of whether EX or MT implants were used. MT implants have a superior biomechanical performance in tooth-implant supported fixed partial dentures. This prevents intrusion of the tooth independent of the connection. Both types of implants studied caused a greater tendency of compressive forces at the crestal area.


Assuntos
Implantes Dentários , Fenômenos Biomecânicos , Dente Suporte , Prótese Dentária Fixada por Implante , Análise do Estresse Dentário , Prótese Parcial Fixa , Análise de Elementos Finitos , Estresse Mecânico
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