Dimensional stability in irreversible hydrocolloid after disinfection with NaClO at two concentrations
Disinfection of dental impressions is a crucial step in clinical practice to prevent cross-contamination. However, it is essential to perform it correctly due to the potential dimensional alterations it can cause in the impression material. The presente study investigated the effect of sodium hypoch...
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| Autores principales: | , , , , , |
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| Formato: | Artículo revista |
| Lenguaje: | Español |
| Publicado: |
Facultad de Odontología de la Universidad Nacional del Nordeste (FOUNNE)
2023
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| Materias: | |
| Acceso en línea: | https://revistas.unne.edu.ar/index.php/rfo/article/view/7190 |
| Aporte de: |
| Sumario: | Disinfection of dental impressions is a crucial step in clinical practice to prevent cross-contamination. However, it is essential to perform it correctly due to the potential dimensional alterations it can cause in the impression material. The presente study investigated the effect of sodium hypochlorite (NaClO) at concentrations of 2.5 % and 6%, using both immersion and spraying methods, on the dimensional stability of irreversible hydrocolloid impression material. For this purpose, an experimental study was conducted in which 5 groups were formed: an immersion group at 2.5 %, a spraying group at 2.5 %, an immersion group at 6 %, a spraying group at 6 %, and a control group without treatment. Both immersion and spraying disinfection were performed for 10 minutes, followed by pouring the impressions with extra-hard plaster (Type IV). Dimensional accuracy was determined by measuring six linear distances between fixed points using a digital caliper. Mann-Whitney U Test was performed to identify statistically significant differences in linear measurements between the treatment groups andthe control group. Significant differences were found in almost all treatment groups compared to the control group. The greatest linear changes were observed in the group with impressions immersed in a 6% NaClO solution. The smallest changes were observed in the spraying method at the 2.5% concentration. It is advisable to use low concentrations of sodium hypochlorite to achieve the best disinfectant effect. |
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