Association of Interleukin 4 Gene Polymorphisms With Dental Implant Loss

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Data

2014-12-01

Autores

Pigossi, Suzane C. [UNESP]
Alvim-Pereira, Fabiano
Alvim-Pereira, Claudia C. K.
Trevilatto, Paula C.
Scarel-Caminaga, Raquel M. [UNESP]

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Editor

Lippincott Williams & Wilkins

Resumo

Purpose: The purpose of this study was to investigate the association between interleukin 4 (IL4) polymorphisms/haplotypes and dental implant loss.Materials and Methods: Two hundred and seventy eight (n = 278) unrelated patients were divided into 2 groups: (1) control group (C) composed of 186 individuals presenting at least 1 osseointegrated implant and (2) study group (S) composed of 94 individuals presenting at least 1 implant loss. After DNA collection, IL4 polymorphisms were investigated by polymerase chain reaction (PCR)restriction fragment length polymorphism and for the variable number of tandem repeat (VNTR) only by PCR.Results: No association between alleles/genotypes of -590 (C/T) (P = 0.9704/P = 0.5992) and VNTR (P = 0.7155/P = 0.8789) polymorphisms and implant loss were found between the groups. Regarding +33 (C/T) polymorphism, no difference was found in genotype frequency (P = 0.1288), but the C allele was associated with implant loss (P = 0.0236, odds ratio = 1.61, 95% confidence interval = 1.1-2.4). Haplotype analysis showed no statistical differences between the groups.Conclusion: The C allele of the +33 (C/T) polymorphism in the IL4 gene was associated with susceptibility to dental implant loss in Brazilians in the studied population.

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Palavras-chave

dental implant loss, interleukin-4, polymorphisms, haplotypes

Como citar

Implant Dentistry. Philadelphia: Lippincott Williams & Wilkins, v. 23, n. 6, p. 723-731, 2014.