Protesis Total
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Zonas del terreno protéticoen el maxilar superior
Zona principal de soporte: Constituido por el reborde alveolar residual, va de una tuberosidad a otra, sobre esta zona recaerá el mayor esfuerzo masticatorio, tapizado por una fibro-mucosa firme, bien adherida al hueso por medio de un periostio.
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Zona secundariade soporte
Se extiende desde el reborde alveolar y la zona dura central del paladar, la mucosa es espesa y lo cubre un tejido conjuntivo laxo, tejido adiposo y glandular que alberga vasos y nervios
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Sellado periférico
Esta formado por dos paredes o vertientes; la maxilar o interna, la yugal o externa. En la “Zona de margen neutra o marginal neutro” es donde se debe producir el sellado periférico.
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Sellado periféricoposterolateral
Clínicamente se determina haciendo abrir la boca y tirando horizontal y hacia fuera los carrillos y labios, formando un ángulo recto entre los tejidos fijos y movibles
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Post Dam o post Damming
Zona comprendida entre el fin del paladar duro y el inicio del paladar blando
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Zonas del terreno protéticoen el maxilar inferior
Zona secundaria de soporte
Zona de sellado periférico
Zona principal de soporte
Zona de alivio
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Zona principal de soporte
Constituida por el reborde alveolar residual en los casos favorables esta cubierta por una fibromucosa muy buena, confiriéndole condiciones de soporte primario
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Sellado periférico posterolateraly anteroinferior
Zona lingual: Es un poco difícil de limitarse clínicamente, pues no solo esta perdida entre los pliegues de la mucosa flácida, sino también entre las glándulas salivales.
Zona vestibular: Supeditado al tipo de reborde alveolar residual.
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