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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN: 1677-3225
Vol. 12, No. 3, 2013, pp. 164-168
Bioline Code: os13033
Full paper language: English
Document type: Research Article
Document available free of charge

Brazilian Journal of Oral Sciences, Vol. 12, No. 3, 2013, pp. 164-168

 en Accuracy of face castings employing thermoplastic custom trays for facial molding
Pavanello, Kaue Campos; Marafon, Priscila Galzo & Mattos, Beatriz Silva Câmara

Abstract


Aim: To evaluate the dimensional stability of a new facial molding technique using thermoplastic custom molding tray.
Methods: The designs established demarcation of facial anthropometrics landmarks, making linear measurements with a digital caliper. Facial molding was carried out using thermoplastic custom trays, constructing a facial plaster cast with the anthropometric landmarks already transferred by measuring the linear dimensions on the plaster cast and statistical analysis.
Results: All linear measurements in the palpebral and labial regions presented statistically significant distortions. Only one of the linear measurements from the orbital region did not demonstrate any significant distortion. The nasal region presented the least amount of distortion.
Conclusions: Although statistically significant, distortions were due to the method of breathing and were considered to be clinically irrelevant. The reduction in the working time, the comfort provided to the patient and the dimensional accuracy of the plaster cast obtained by the facial molding technique using custom perforated molding tray suggest that this technique should be employed for making facial prostheses.

Keywords
facial prosthesis; molding material; anthropometrics

 
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