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Odontología Vital

versão On-line ISSN 1659-0775versão impressa ISSN 1659-0775


VALVERDE FAJARDO, Stefanny  e  RAMOS MADRIGAL, Maikol. Development time and the deformity degree of the thermoformed base plate compared to the acrylic base plate of self-polymerization. Odontología Vital [online]. 2019, n.31, pp.11-18. ISSN 1659-0775.


Currently there are different types of materials for the preparation of base plates, as a procedure for the preparation of dental prostheses. The option of the thermoforming sheet, which is currently of little use, as well as, of self-curing acrylic, a material of daily use in consultation. Objective: To compare the techniques for making base plates, to determine which of the two provide qualities such as shorter processing time and less deformity.

Materials and methods:

20 models of gypsum totally edentulous were selected for convenience, to which processing time is recorded and the same laboratory tests are applied.


The thermoformed base plates have an average time of 7 minutes, while the self-polymerized acrylic base plates have an average time of 29 minutes, based on the laboratory analysis the least deformation occurs in the acrylic base plate of autopolimerization.


The time of preparation of the thermoformable base plate is less, while the deformation is greater compared to the base plate of self-polymerizatíon, the latter in turn, has a longer processing time than the thermoformable base plate.

Palavras-chave : Self-curing acrylic base plate; thermoformed base plate; prosthetic dentures; acrylic resins; polymethyl methacrylate..

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