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Laminados cerâmicos cimentados sobre dentes não preparados. Estudo clínico, prospectivo e longitudinal sobre a adaptação marginal e avaliação do comportamento periodontal pelo uso de biomarcadores do fluido gengival crevicular

Authors: Souza, Fernando Isquierdo de;

Laminados cerâmicos cimentados sobre dentes não preparados. Estudo clínico, prospectivo e longitudinal sobre a adaptação marginal e avaliação do comportamento periodontal pelo uso de biomarcadores do fluido gengival crevicular

Abstract

Objetivo: Quantificar os biomarcadores e o volume do fluido gengival crevicular (GCF), com adicional verificação da adaptação e comportamento marginal de laminados cerâmicos delgados cimentados sobre dentes sem término cervical e apresentando borda marginal posicionada no interior do sulco gengival. Materiais e Métodos: 73 dentes maxilares foram tratados com laminados cerâmicos em dissilicato de lítio monolítico. Para todos os elementos foi feita a coleta do GCF previamente à cimentação (baseline) e nos tempos do estudo (t0- 7 dias, t4 180 dias), onde foi calculado o volume do GCF e quantificado os biomarcadores: TNF-α, IL-1β, MMP-8 por ELISA. O dente vizinho ou antagonista foi utilizado como controle. Foram obtidas réplicas da região cervical em resina epóxi, em t0 e t4 para verificação da adaptação marginal em microscópio eletrônico de varredura. A avaliação clínica foi realizada pelos critérios modificados do USPHS nos tempos do estudo e com 1 ano de acompanhamento (t5). Resultados: Os níveis de TNF-α e MMP-8 se mantiveram estáveis na comparação de t4 com o baseline (p>0,05). A concentração de IL-1β aumentou em t4 no grupo tratado em comparação com o baseline (p0,05). Todos os elementos obtiveram conceito alfa para avaliação clínica e microscópica. Conclusão: No período de acompanhamento proposto pelo presente estudo, o periodonto de proteção apresentou excelente comportamento clínico e biológico frente ao tratamento com laminados cerâmicos sem preparo cervical, não apresentando diferenças morfológicas e bioquímicas em comparação aos dentes não tratados.

Objective: To quantify the biomarkers and gingival crevicular fluid (GCF) volume, with additional verification of the adaptation and marginal behavior of thin ceramic veneers cemented on teeth without cervical preparation, with the finish line gently positioned within the gingival sulcus. Materials and Met hods: 73 maxillary teeth were treated with monolithic lithium disilicate ceramic veneers . For all elements, the GCF was collected before cementation ( baseline) and at the study times (t0 -7 days, t4 180 days), which was calculated the GCF volume and the quantification of the biomarkers: TNF - α, IL - 1β, MMP -8 by ELISA. The neighboring or antagonist tooth was used as a control. Replicas of the cervical region were obtained in epoxy resin, in t0 and t4 to verify the marginal adaptation in a scanning electron mi croscope. Clinical e valuation was performed using the modified USPHS criteria at study times and at 1 year of follow -up (t5). Results: TNF - α and MMP -8 levels remained stable in the comparison of t4 with the baseline (p> 0.05). The concentration of IL- 1β in creased in t4 in the treated group compared to the baseline (p 0.05). All the elements obtained alpha concept for clinical and microscopic evaluation. Concl usion: In the period of follow -up proposed by the present study, the protection periodont ium presented excellent clinical and biological behavior in relation to the treatment with ceramic veneers without cervical preparation, presenting no morphological and biochemical differ ences in comparison to untreated teeth.

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Pós-graduação em Odontologia - FOA

15/14504-6

Country
Brazil
Keywords

Clinical trial, Ensaio clínico, Adaptação marginal dentária, Ceramic veneers, Líquido do sulco gengival, Facetas dentárias, Saúde periodontal

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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