Revista de Odontologia da UNESP
https://revodontolunesp.com.br/article/doi/10.1590/1807-2577.05621
Revista de Odontologia da UNESP
Original Article

LL-37 and hBD-2 in the gingival crevicular fluid of smokers and nonsmokers with periodontitis

LL-37 e hBD-2 no fluido crevicular de fumantes e não fumantes com periodontite

Alessandra Barreto LOPES; Natália Helena COLOMBO; Naida Zanini ASSEM; Marta Aparecida Alberton NUERNBERG; Valdir Gouveia GARCIA; Cristiane DUQUE; Leticia Helena THEODORO

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Abstract

Abstract: Introduction: The association between smoking and periodontal diseases has been described in clinical and epidemiological studies.

Objective: The aim of this study was to compare the LL-37 and human β-defensin-2 (hBD-2) levels in crevicular fluid of patients with generalized periodontitis in smokers (S) and nonsmokers (NS).

Material and method: A total of 35 patients with generalized periodontitis stages III and IV, 15 NS (11 female, 4 male) and 20 S (7 female and 13 male), were included in the study. The evaluated clinical parameters were bleeding on probing (BOP), probing depth (PD) and clinical attachment level (CAL). Enzyme-linked immunosorbent assays were performed to quantify the LL-37 and hBD-2 levels in the gingival crevicular fluid of these patients. The results were analyzed statistically with the level of significance set at 5%.

Result: In relation to periodontal clinical parameters, no statistically significant difference was observed for BOP and PD between groups S and NS. There was a higher CAL in the S group than in the NS group (p = 0.0095). There was no statistically significant difference between the levels of LL-37 and hBD-2 when comparing groups S and NS (p>0.05).

Conclusion: It was concluded that smokers have a higher clinical attachment loss than nonsmokers, but that smoking did not influence the levels of LL-37 and hBD-2 in the gingival crevicular fluid in periodontitis.

Keywords

Periodontitis, antimicrobial peptides, smoking

Resumo

Resumo: Introdução: A associação entre tabagismo e doença periodontal tem sido descrito em estudos clínicos e epidemiológicos.

Objetivo: O objetivo deste estudo foi comparar os níveis de LL-37 e beta defensina-2 (hBD-2) no fluido crevicular de pacientes com periodontite generalizada fumantes (F) e não fumantes (NF).

Material e método: Um total de 35 pacientes com periodontite generalizada estágios III e IV, 15 NF (11 mulheres, 4 homens) e 20 F (7 mulheres e 13 homens), foram incluídos no estudo. Os parâmetros clínicos avaliados foram sangramento à sondagem (SS), profundidade de sondagem (PS) e nível de inserção clínica (NIC). Ensaios imuno enzimáticos foram realizados para quantificar os níveis de LL-37 e hBD-2 no fluido crevicular das gengivas dos pacientes.

Resultado: Os resultados foram analisados ​​estatisticamente, com nível de significância de 5%. Em relação aos parâmetros clínicos periodontais, não foi observada diferença estatisticamente significativa para SS e PS comparando os grupos F e NF. Houve maior NIC nos pacientes do grupo F, quando comparados ao grupo NF (p = 0,0095). Não houve diferença estatisticamente significativa entre os níveis de LL-37 e hBD-2 quando comparados os grupos F e NF (p> 0,05).

Conclusão: Concluiu-se que os fumantes apresentam maior perda de inserção clínica do que os não fumantes, mas o tabagismo não influenciou nos níveis de LL-37 e hBD-2 do fluido gengival em indivíduos com periodontite.
 

Palavras-chave

Periodontite, peptídeos antimicrobianos, fumantes

References

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