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Linear Dimensional Accuracy of Stereolithographic Surgical Guide After Chemistry and Physics Sterilization by Diego Moraes De Matheus; Erica Alves Gomes; Daphne Camara Barcellos; Elizabeth Pimentel Rosetti; Rogério Margonar is a Medicine article available to read on EtoBox.
What is Linear Dimensional Accuracy of Stereolithographic Surgical Guide After Chemistry and Physics Sterilization about?
## Objectives: The purpose of this study was to evaluate the dimensional stability of prototyped surgical guides after autoclave and 2% glutaraldehyde sterilization processes. ## Material and methods: Twenty prototyped surgical guides were prepared and submitted to two sterilization processes (n = 10): physics - sterilization by autoclave (saturated water vapor under pressure, temperature of 126 to 130 °c, pressure of 1,7 at 1.9 kgf/cm^2^, 16 min); chemistry - sterilization by 2% glutaraldehyde for 10 h. six pre-established points were measured in the prototyped surgical guides, before and after sterilization, using a digital caliper rule. the comparisons were made using orthogonal contrasts using the linear model of mixed effects (random and fixed). ## Results: There are no significant differences between autoclave and glutaraldehyde 2% (p>0.05) there are significant differences after autoclave sterilization (p 0.05). ## Conclusion: Autoclave promoted dimensional alteration of the prototyped surgical guides, and the chemical sterilization by glutaraldehyde 2% did not cause dimensional alteration of the prototype surgical guides, being a favorable choice for sterilization. ## Clini
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- Author
- Diego Moraes De Matheus; Erica Alves Gomes; Daphne Camara Barcellos; Elizabeth Pimentel Rosetti; Rogério Margonar
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Medicine (Health Sciences)