| Autor: |
Staell Ribeiro de FARIA, Túlio Rodrigues de ANDRADE, Cristiane Barros ANDRÉ, Victor Angelo Martins MONTALLI, Jurandir Antonio BARBOSA, Roberta Tarkany BASTING |
| Jazyk: |
English<br />Portuguese |
| Rok vydání: |
2024 |
| Předmět: |
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| Zdroj: |
Dental Press Journal of Orthodontics, Vol 29, Iss 4 (2024) |
| Druh dokumentu: |
article |
| ISSN: |
2177-6709 |
| DOI: |
10.1590/2177-6709.29.4.e242458.oar |
| Popis: |
ABSTRACT Objective: Evaluate the load mini-implants exert on the artificial bone when expanding the MARPE EX in three different extension arm configurations. Methods: A device simulating the human palate was fabricated and attached to a universal testing machine, for conducting tests with different MARPE expanders (n=5): non-adjustable/control (MARPE SL, Peclab) or with low, intermediate, and high extender arms (MARPE EX, Peclab). The expanders were manually activated until failure of the device occurred, and maximum load values were recorded. Load averages were also calculated for every five activations until the twentieth activation. Results: The generalized linear mixed model for repeated measures over time showed that there was significant increase in load with activations for all expanders (p=0.0004). Up to the twentieth activation, the expander with low extender arms presented higher load than the others, while the expander with high extender arms showed lower load values (p |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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