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Av. periodoncia implantol. oral ; 21(1): 21-26, abr. 2009. ilus, graf
Article in Spanish | IBECS | ID: ibc-84485

ABSTRACT

Existe un alto porcentaje de enfermedad periodontal atribuido al hábito del tabaco. La respuesta del organismo a esta enfermedad incluye la liberación de enzimas intracelulares relacionadas con la muerte y destrucción celular, como la Lactato Deshidrogenasa (LDH). Objetivo: Comparar los valores de LDH en fluido crevicular gingival (FCG) y saliva de pacientes fumadores y no fumadores con Periodontitis crónica (PC). Metodología: Participaron 15 pacientes hombres mayores de 30años; 6 fumadores, 6 no fumadores con PC y 3 sujetos control. Se recolectaron muestras de saliva total y de FCG de bolsas periodontales de = 6 mm. El volumen del FCG se determinó pesando las puntas de papel antes y después del muestreo obteniendo los valores en gramos y convertidos a unidades de volumen (ml). La actividad de LDH se determinó por medio de espectrofotometría. Los resultados se convirtieron a unidades de actividad enzimática expresados en mM. El volumen de FCG fue de 0,78 μL en sujetos sanos, en no fumadores con PC 1.12 y en fumadores con PC 1,32. Los valores de LDH correspondieron a; saliva de sujetos sanos 0,845, en no fumadores con PC 1,325 yen fumadores con PC 1,7895 mM. En FCG la actividad fue 0,4568 en sujetos sanos, en no fumadores con PC 0,987 y en fumadores con PC 1,2546 mM. Conclusiones: Las técnicas utilizadas permitieron determinar diferencia entre los valores de la actividad de LDH en ambos fluidos en fumadores y no fumadores con PC (AU)


The response of the body to periodontal disease includes the production of intra-cellular enzymes like Lactate Dehydrogenase (LDH) which is released by damaged periodontal cells. The LDH can be found in the gingival crevicular fluid (GCF) and saliva as a result of cellular death and damage. Objective: To compare LDH activity in GCF and saliva of smoker and non-smoker patients with Chronic Periodontitis. Methods: 15 male patients (30 to 50 years of age) participated in this study; 6 smokers with Chronic Periodontitis, 6 non-smokers with Chronic Periodontitis and 3 health subjects. Samples of stimulated total saliva as well as four samples of gingival crevicular fluid while probing periodontal lpockets (= 6 mm deep) with standarized #30 endodontic paper points were obtained. The enzymatic activity of LDH was recorded and was quantified by espectrophotometry. Results: GCF volume was 0.78 μL in health subjects, 1.12 μL non-smokers with Chronic Periodontitis and 1.32 μLsmokers with Chronic Periodontitis. LDH activity in saliva of smoker was 1.7895 mM. non-smoker patients with Chronic Periodontitis 1.325 and health subjects 0.845 mM. In FCG the activity was0.4568 mM of health subjects , non-smokers with Chronic Periodontitis 0.987 and smoker with Chronic Periodontitis was 1.2546 mM. The enzymatic activity of LDH in gingival crevicular fluid and saliva was greater in smoking patients compared to non-smoking patients. Conclusions: These results suggest that LDH activity in saliva and gingival crevicular fluid can be used to evaluate the progression of periodontal disease as well as the effects of smoking (AU)


Subject(s)
Humans , L-Lactate Dehydrogenase/pharmacokinetics , Periodontitis/physiopathology , Gingival Crevicular Fluid , Saliva , Smoking , Case-Control Studies
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