revista perio set2010 - 3ª REV - 31-01-11.indd - Revista Sobrape

R. Periodontia - 20(3):67-72
fumantes (GOMES et al., 2006; VAN WINKELHOFF et al.,
2001). Em 2000, Hanioka et al. constataram que a tensão
de oxigênio nas bolsas periodontais era menor em fumantes,
resultado que, ao menos em parte, favorece essa colonização.
Este fato pode ser reforçado pelo pressuposto de que a
presença da nicotina e seu subprodutos cria um micoambiente
favorável para a colonização de patógenos, com visto por Li
et al, 2004.
A disponibilidade de novas metodologias pode auxiliar
no entendimento da interação dos componentes do tabaco
com o biofilme bacteriano e o impacto desta relação na
ecologia do biofilme. Além da questão microbiológica, o fator
hospedeiro tem chamado muita atenção, pois ele determina
a suscetibilidade de cada paciente à infecção bacteriana.
CONCLUSÃO
Neste estudo transversal não foi obser vada
diferença estatisticamente significativa na microbiota
periodontopatógena de tabagistas em função da condição
periodontal.
ABSTRACT
the present study aimed to compare the presence of A.
actinomycetemcomitans, P. intermedia, P. gingivalis, T.
forsythia and C. rectus in smoking and in no smoking adults
and to relate it with periodontal clinical condition. The study
comprised 214 adults divided according to their periodontal
condition and smoking status: group of healthy periodontal
condition [smokers (n=51) and non smokers (n=52)] and
group with periodontitis [smokers (n=53 and non smokers
(n= 58)]. Subjects presenting at least 4 periodontal sites
with Pocket Depth (PD) ≥ 4mm and Clinical Attachment
Level (CAL) ≥ 3mm, distributed over different teeth, were
considered periodontally diseased. Saliva was collected
from the dorsum of the tongue and intrasulcular samples
were obtained from the five sites presenting the highest
PD values. In the healthy group, subgingival samples were
collected from the mesiobuccal sites of teeth 16, 11, 26, 36,
31 and 46. Chi-square was used for the statistical analysis. No
statistically significant distinction was observed through this
cross-sectional study in periodontopathogenic microbiota of
smokers in relation to periodontal condition.
UNITERMS: smoking status, periodontopathogens,
periodontitis.
The impact of tobacco use on periodontal microbiota
is still quite controversial. Based on this assumption,
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