Porcelana laminar en el sector anterior: estudio comparativo

• Autores: Enrique Fernández Bodereau
• Directores de la Tesis: Jorge Uribe Echevarría (dir. tes.)
• Lectura: En la Universidad Nacional de Córdoba (UNC) ( Argentina ) en 1989
• Idioma: español
• Enlaces
  • Tesis en acceso abierto en: hdl.handle.net
• Resumen
  • español

    La evolución experimentada por la Odontología en el último siglo es sorprendente y los adelantos efectuados en este “Arte-Ciencia” se suceden en progresión geométrica en estos últimos años de esta centuria. El pasado y el presente son muy conocidos y se podría aseverar que lo que ocurrirá en el futuro casi paradojalmente lo prevemos. En primer lugar porque es y ha sido una preocupación constante de los diferentes estratos gubernamentales, científicos y sanitarios, en todo el mundo terminar con el flagelo de la caries y de la enfermedad periodontal, máxime cuando su etiología ha sido determinada, y el rol de la prevención ha demostrado su enorme eficacia. En segundo lugar se puede asegurar, que la velocidad creciente con que se vienen sucediendo los descubrimientos de nuevos materiales e instrumental, técnicas y fármacos, así como los principios fundamentales que se están aceptando en lo que a dieta e ingeniería genética se refieren, hace que se asegure, sin duda, un venturoso porvenir.

  • English

    Nowadays many authors suggest the use of porcelain laminate veneer that has come to play an important role in the solution of many esthetic and functional problems. At the moment, it is the alternative treatment to solve some cases with the least dental reduction, the highest fitting and a low cost.

    The purpose of evaluating the different constructive techniques and the clinical methods to obtain a perfect restoration, led into the carring out of this work properly guaranted by the researches previously described.

    In this work we give the details of:

    A- The use of ceramic laminate fronts, its history, its indications and its precisers contraindications.

    B- The porcelain laminate veneer that are described, are the stock ones, such as the prefabricated teeth to which the dental element previously described must be reduced, and they have the adventage of having, from the beginning, the colour, size and definite shape, but the disadventage of having perfect adaptation.

    The other afore mentioned methods, the one of the metalic foil or of the coating and later baking, have better adaptation, but the consecution of heat and shape requires greater skill on the part of the operator. Finally, the method of the lost wax and later cast, presents an excellent and aesthetic adaptation; neverthless, its constructive technique is extremely complex and expensive.

    C- The different types of reduction that are used to correct the chromatic anomalies, the structural and alignment defects, or also those reductions devoted to rehabilitate the previous guide, are clearly detailled.

    D- The temporazation of the reducted elements by means of celluloid foils, plastic teeth or simply, compound light cure resins without etching, are of normal use for those techniques that take more than one session.

    E- The use of hydrofluorc acid for the internal etching of the porcelain laminate veneer is the most convenient.

    F- The resistance of traction carried out on etched porcelain laminate to which an agent of silane join and a resin of connection were applied, was the one that had the best conduct.

    G- According to the measurement of the vestibular thickness of enamel on the antero-superior elements, we deduce that the cervical, middle and incisor thickness of the different dental elements (Central I., Lateral I. and Canine) is similar, but it is not statistically significant.

    From the experiences arisen from the clinic, and the researches done, we deduce that the use of porcelain laminate veneer constitutes an acceptable solution for the solving of many cosmetic and functional cases.