Effect of Desensitizing Mouth Rinses on Surface Properties of 3D-Printed Crowns: An In Vitro Study

Agarwal, Uravi; R., Gayathri; S., Balaji Ganesh; V., Vishnu Priya; Somasundaram, Jayalakshmi; K., Hemashree

doi:10.15517/0w4s8h82

Authors

Uravi Agarwal Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India. Author https://orcid.org/0009-0006-0848-7935
Gayathri R. Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India. Author https://orcid.org/0000-0003-3325-7593
Balaji Ganesh S. Department of Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India. Author https://orcid.org/0000-0002-2786-8374
Vishnu Priya V. Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India. Author https://orcid.org/0000-0002-5071-9860
Jayalakshmi Somasundaram Department of Conservative Dentistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India. Author https://orcid.org/0000-0003-3515-5558
Hemashree K. Department of Oral Pathology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India. Author https://orcid.org/0000-0001-9616-6539

DOI:

https://doi.org/10.15517/0w4s8h82

Keywords:

3D-printed crowns; Heat-cured crowns; Cold-cured crowns; Desensitizing mouth rinse; Surface roughness; Hardness; Color stability.

Abstract

This study evaluates the effect of desensitizing mouth rinses on the surface properties of 3D-printed crowns compared to heat-cured and cold-cured crowns. Thirty dental crowns were fabricated and divided into three groups: 3D-printed crowns, heat-cured crowns, and cold-cured crowns (n=10 each). All samples underwent daily immersion in a desensitizing mouth rinse (Senquel AD) for four weeks. Surface roughness, hardness, and color stability were analyzed pre- and post-treatment using a profilometer, Vickers hardness tester, and spectrophotometer. Statistical analyses were performed using ANOVA and post-hoc tests. 3D-printed crowns showed a significant increase in surface roughness and a reduction in hardness after exposure to the mouth rinse, while heat-cured crowns exhibited minimal changes. Cold-cured crowns demonstrated moderate alterations in surface properties. Color stability was unaffected in all groups. Desensitizing mouth rinses exert differential effects on dental crowns. While 3D-printed crowns are more susceptible to changes, heat-cured crowns retain superior surface stability. This underscores the importance of material-specific considerations when prescribing mouth rinses to patients.

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