Research Article
Volume 20 Issue 9 - 2021
An In-Vitro Study on the Dimensional Stability of Self-Disinfecting Alginate Materials Using Different Concentrations of Chlorhexidine Solutions
Danish Muzaffar1, Abdur Rehman2*, Leena Binti Adam Muralidharan3, Leng Wei3, Ling Kwei Wen3, Lishaliniy a/p Lenga Gururuloo3, Priyank Seth4 and Rafey Ahmed Jameel5
1Senior Lecturer, Faculty of Dentistry, SEGi University, Kota Damansara, Selangor, Malaysia
2Associate Professor, Science of Dental Material, Hamdard University Dental Hospital, Hamdard University, Karachi, Pakistan
3Dental Officer, Ministry of Health, Malaysia
4Senior Lecturer, Faculty of Dentistry, SEGi University, Kota Damansara, Selangor, Malaysia
5Assistant Professor, Department of Oral Biology and Tooth Morphology, Dow University of Health Sciences, Karachi, Pakistan
*Corresponding Author: Abdur Rehman, Associate Professor, Science of Dental Material, Hamdard University Dental Hospital, Hamdard University, Karachi, Pakistan.
Received: July 14, 2021; Published: August 12, 2021




Abstract

The aim of this study was to compare the dimensional changes in casts poured from irreversible hydrocolloid impression materials internally disinfected with different concentrations of chlorhexidine. In this in vitro study, type IV dental stone casts (Elite Stone, Zhermack) were fabricated from irreversible hydrocolloid impressions of Frasaco typodont dentulous model. The irreversible hydrocolloid powder (Kromopan, Lascod Italy) was mixed with four different concentrations of chlorhexidine solution at 0.05%, 0.10%, 0.15% and 0.2%. Distilled water was used as control. Twenty casts were made for each mixing solution. Four measurements including cross arch width (AB and CD) and sagittal plane distance (BC and DA) were measured with a Mitutoyo digital caliper with accuracy up to 0.01 mm. Data was analyzed using SPSS version 22. ANOVA and Post Hoc Tukey’s test were used to compare the mean differences among the groups. The mean cast measurements showed no significant difference in any of the three out of four measurements among the groups with different concentrations of chlorhexidine solutions, with p values being 0.716, 0.64 and 0.35 respectively. However, the DA measurement was significant with p = 0.002. Different concentrations of chlorhexidine solutions used to internally disinfect hydrocolloid impression materials have no significant impact on the dimensional stability of the casts.

Keywords: Irreversible Hydrocolloid Impressions; Dental Stone Casts and Chlorhexidine Solution

References

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Citation: Abdur Rehman., et al. “An In-Vitro Study on the Dimensional Stability of Self-Disinfecting Alginate Materials Using Different Concentrations of Chlorhexidine Solutions”. EC Dental Science 20.9 (2021): 07-14.

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