Que es virulencia en Odontologia?
¿Qué es virulencia en Odontologia?
La virulencia se define como la capacidad de un microorganismo para producir una enfermedad o interferir con los procesos metabólicos o fisiológicos del hospedero(15,16).
¿Qué son las bacterias Periodontopatógenas?
Bacterias Periodontopatógenas:Bacilos Anaerobios gran negativos como agentes Etiológicos de la Enfermedad Periodontal .
¿Qué bacterias están relacionadas a las enfermedades Gingivoperiodontales según Socransky?
De manera general y de acuerdo con Haffajee y Socransky (1994), las bacterias más frecuentes en las afecciones periodontales son: Actinobacillus actinomycetemcomitans (A.a.) Bacteroides forsythus, Campilobacter rectus, Eubacterium nodatum, Fusobacterium nucleatum, Peptostreptococcus micros, Porphyromona gingivalis.
What is the morphology of P. gingivalis?
P. gingivalis bacteria are Gram-negative, obligately anaerobic, non-motile, and non-sporeforming. Morphology can be short rod-shaped, or in broth culture, coccobacilli 0.5 µm by 1-2 µm in size. On solid media, colonies are generally smooth, shiny and convex.
What type of bacteria is Prevotella intermedia?
Prevotella intermedia (formerly Bacteroides intermedius) is a gram-negative, obligate anaerobic pathogenic bacterium involved in periodontal infections, including gingivitis and periodontitis, and often found in acute necrotizing ulcerative gingivitis.
How did I get periodontitis?
Periodontitis is typically caused by poor dental hygiene. When you don’t brush your teeth and clean in hard-to-reach places in your mouth, the following happens: The bacteria in your mouth multiply and form a substance known as dental plaque.
What are the Factores de virulencia bacteriana?
• Los factores de virulencia primarios de las bacterias son la cápsula, las adhesinas, las enzimas degradativas, las toxinas y los mecanismos para evadir la acción de las defensas del organismo anfitrión • Las bacterias pueden poseer un único mecanismo de virulencia.
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What are the virulence factors of Bacteroides melaninogenicus?
Bacteroides melaninogenicus group 1. Mode of transmission: 2. Virulence factors of Bacteroides i) Capsule:- Helps in attachment, and resist phagocytosis and complement mediated lysis. Catalase and Superoxide dismutase: These enzymes inactivates H2O2 and release super oxide free radicals there by protect anaerobes when exposed to oxygen