Principios de preparación fija para coronas dentarias de metal porcelana en el sector anterior
Fecha
2012-06-15
Autores
Título de la revista
ISSN de la revista
Título del volumen
Editor
Universidad de Guayaquil. Facultad Piloto de Odontología
Resumen
La preparación dentaria fija es en sí un desgaste de la pieza dentaria a
restaurar, siguiendo una serie de principios que harán posible la preservación
de los dientes y de los tejidos de soporte que los rodean ya que de no
hacerlo las probabilidades de fracasar el diente pilar es eminente.
Las restauraciones metal-cerámica, se realicen meticulosamente, no serán
tan estéticas como el tejido dental sano. Pueden ser descubiertas por el
tejido inflamado a nivel del margen gingival, por metal expuesto, por su
tamaño y por su opacidad. Todos estos problemas tienen origen en una mala
preparación de la corona. Entenderemos entonces que la preparación
adecuada de esta restauración se ve reflejada en los materiales que se
utilizan para su fabricación, y en el espacio requerido, para conseguir un
volumen adecuado que brinde la naturalidad buscada a las coronas metalcerámica.
Tenemos así 5 principios biomecánicas que nos permitirán obtener
una restauración estético-funcional considerando la respuesta de los tejidos
dentarios y subyacentes en los posterior
Preservación del tejido dental.- La restauración debe además de reconstruir
tejido dentario faltante debe preservar lo que queda de ellos, y cuidar el no
exceder el tallado de un diente ya que esto reduce la resistencia y retención
de la restauración.
Forma retentiva y resistencia.- El grado de conicidad de una restauración
aumenta o disminuye su capacidad de retener la restauración.
Duración estructural de la restauración.- La preparación debe permitir que el
grosor de la restauración sea capaz de resistir las fuerzas oclusales
reproduciendo los planos de las superficies dentales.
2
Integridad marginal.- La localización y el tipo de línea terminal determina la
calidad y la salud periodontal, ya que un margen bien adaptado asegura la
sobrevivencia de la restauración.
Preservación del periodonto.- Es de vital importancia la preservación de los
tejidos subyacentes para asegurar el éxito en la restauración.
Por lo tanto el presente trabajo de investigación nos muestra la importancia
de respetar los principios biomecánicas en las preparaciones fijas para la
realización de coronas metal-porcelana ya que estos nos aseguraran la
durabilidad y el éxito estético-funcional en las fases posteriores del
tratamiento.
The fixed tooth preparation is itself a tooth wear to restore , following a series of principles enabling the preservation teeth and supporting tissues around them and that no do the chances of the abutment tooth failure is eminent. The metal - ceramic restorations are carried out meticulously , will not be as aesthetic as the healthy tooth tissue . They can be discovered by the inflamed at the gingival margin tissue, exposed metal , its size and opacity. All these problems are rooted in poor crown preparation . Understand then that the preparation proper restoration of this is reflected in the materials used for manufacturing, and the space required, for a adequate volume to provide the desired naturally to metal-ceramic crowns. We have 5 and biomechanical principles that will allow us to obtain an aesthetic- functional restoration considering the response of tissues and underlying tooth in posterior Preservation of tooth structure - . Restoration should also rebuild missing tooth structure must preserve what is left of them , and take care not carving exceed one tooth as this reduces the strength and retention restoration. Retention and resistance form . - The degree of taper of a restoration increases or decreases your ability to retain the restoration. Duration structural restoration - . Preparation should allow the thickness capable of withstanding restoration occlusal forces playing the planes of the tooth surfaces. 2 Marginal integrity . - The location and type of terminal line determines the quality and periodontal health, and well adapted to a margin ensures survival of the restoration. Preservation of the periodontium - . 's Vital preserving underlying tissues to ensure successful restoration. Therefore this research shows the importance to respect the biomechanical principles in fixed preparations for conducting PFM crowns as these will ensure us durability and aesthetic - functional success in the later stages of treatment.
The fixed tooth preparation is itself a tooth wear to restore , following a series of principles enabling the preservation teeth and supporting tissues around them and that no do the chances of the abutment tooth failure is eminent. The metal - ceramic restorations are carried out meticulously , will not be as aesthetic as the healthy tooth tissue . They can be discovered by the inflamed at the gingival margin tissue, exposed metal , its size and opacity. All these problems are rooted in poor crown preparation . Understand then that the preparation proper restoration of this is reflected in the materials used for manufacturing, and the space required, for a adequate volume to provide the desired naturally to metal-ceramic crowns. We have 5 and biomechanical principles that will allow us to obtain an aesthetic- functional restoration considering the response of tissues and underlying tooth in posterior Preservation of tooth structure - . Restoration should also rebuild missing tooth structure must preserve what is left of them , and take care not carving exceed one tooth as this reduces the strength and retention restoration. Retention and resistance form . - The degree of taper of a restoration increases or decreases your ability to retain the restoration. Duration structural restoration - . Preparation should allow the thickness capable of withstanding restoration occlusal forces playing the planes of the tooth surfaces. 2 Marginal integrity . - The location and type of terminal line determines the quality and periodontal health, and well adapted to a margin ensures survival of the restoration. Preservation of the periodontium - . 's Vital preserving underlying tissues to ensure successful restoration. Therefore this research shows the importance to respect the biomechanical principles in fixed preparations for conducting PFM crowns as these will ensure us durability and aesthetic - functional success in the later stages of treatment.
Descripción
PDF
Palabras clave
PROTESIS DENTAL PARCIAL FIJA, CORONAS DENTALES