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CC BY-NC-ND 4.0 · Eur J Dent 2013; 07(03): 347-351
DOI: 10.4103/1305-7456.115419
Original Article
Dental Investigation Society

The effect of different organic solvents on the degradation of restorative materials

Josué Martos
1   Department of Semiology and Clinics, School of Dentistry, Federal University of Pelotas, Brazil
,
Luiz Fernando Machado Silveira
1   Department of Semiology and Clinics, School of Dentistry, Federal University of Pelotas, Brazil
,
Carina Folgearini Silveira
1   Department of Semiology and Clinics, School of Dentistry, Federal University of Pelotas, Brazil
,
Luis Antonio Suita de Castro
2   Laboratory of Immunology and Microscopy, EMBRAPA-CPACT, Pelotas, Brazil
,
Carmen María Ferrer-Luque
3   Department of Dental Pathology and Therapeutics, School of Dentistry, University of Granada, Spain
› Author Affiliations
Further Information

Publication History

Publication Date:
26 September 2019 (online)

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ABSTRACT

Objective: To evaluate the solubility of three restorative materials exposed to the different endodontic solvents. Materials and Methods: The organic solvents eucalyptus oil, xylol, chloroform, and orange oil, with distilled water as the control group was utilized. The restorative materials light-cured resin (Filtek Z250/3M ESPE), light-cured-resin-reinforced glass ionomer (Riva Light Cure LC/Southern Dental Industries SDI]) and resin-modified glass ionomer (Vitremer/3M ESPE) were analyzed. A total of 50 disks containing specimens (2 mm Χ 8 mm Ø) were prepared for each of the three classes of restorative materials, which were divided into 10 groups (n = 5) for immersion in eucalyptus oil, xylol, chloroform, orange oil or distilled water for periods of either 2 min or 10 min. The means of restorative material disintegration in solvents were obtained by the difference between the original preimmersion weight and the postimmersion weight in a digital analytical scale. Data were statistically analyzed by two-way analysis of variance while the difference between the materials was analyzed by Student-Newman-Keuls test. The significance level set at 0.05. Results: Vitremer showed the highest solubility, followed by Riva LC, and these were statistically different from eucalyptus oil, xylol, chloroform, and distilled water (P < 0.05). Regarding the immersion time in solvents, there were no significant differences between the two tested periods (P > 0.05). Conclusions: The solvents minimally degraded the composite resin, although they did influence the degradation of both resin-modified glass ionomer resin and resin reinforced with glass ionomer.

Key words:

Composite resin - modified glass ionomer - organic solvents - solubility
 

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