Bacterias De La Boca Flashcards

1
Q

Qué es la película adquirida

A

Rebestimiento natural de origen salival, sin bacterias
10 micranometros de espesor
Conocida como capa de hidratación o stern

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2
Q

Función de la película adquirida

A

Protección
-impide penetración de ácidos
-Protege del desgaste actuando como lubricante
-Resiste la acción abrasiva
-Solo se elimina con piedra pómez o cepillos duros
Modula mineralizacion y desmineralización

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3
Q

Tipos de película adquirida

A

Subsuperficial
Superficial
Suprasuperficial

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4
Q

Placa endobacteriana

A

Masa blanda, tenaz y adherente
Hermanes de matriz intercelilar organizada

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5
Q

Pastillas reveladoras de placa

A

Erotrosina al 0.5%

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6
Q

Cocos Gram+

A

Se tiñen de morado
Estafilococos y estreptococos

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7
Q

Cocos Gram-

A

Se tiñen de rosa
Meningococos y gonococos

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8
Q

Placa dentobacteriana supra y sub

A

Supragingival: superficie dental, adherente y cariogénico Gram+
Subgingival: debajo de la encía, periodontopatogenica, Gram-

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9
Q

Etapas de la placa

A

Deposición
Adhesión
Congregación
maduración

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10
Q

Materia Alba

A

Deposición amarillo o blanco, grisáceo, blando y pegajoso que se vea simple vista

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11
Q

Sustancia reveladora

A

Funciona cambiando de color el biofilm dental

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12
Q

Índice de Oleary

A

1972 timothy O’leary
Registro para identificar superficies dentales con placa dentobacteriana
Del cero al 12% aceptable
Del 12 al 24%, cuestionable
Del 24 a más deplorable

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13
Q

Microorganismos pioneros aerobias

A

Streptococua sanguis, mitis, oralis
Son aerobios gram+

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14
Q

Bacterias anaerobias facultativas

A

Actinomyces
S.mutans
Lactobacilos

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15
Q

Bacterias anaerobias

A

Fuscobacterium
Prevotella intermedia
Parvimonas micra

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