Abstract
Addition of fiber to dental bridgework was thought to be more efficient comparing to porcelain-fused to metalwork. In other side, some patients consumed alcoholic beverage in their daily life. This study aimed to determine mechanical properties of fiber-reinforced composite (FRC) exposed to alcoholic beverage. The materials used were dental resin (i-FLOW i-dental, Lithuania), polyethylene fiber (Vactrise, USA), and 4 alcoholic beverages. FRC samples (40) were divided into 10 groups (n=4, control:aquades). Each Sample was soaked in beverage for 5 s followed by 5 s in aquades for each cycle (10 cycles daily for 4 wk). Mechanical properties were examined for hardness and flexural strength. The result showed the mean values for hardness (KHN) were: 98.70±6.03 (aquades), 99.01±4.92 (Beer), 87.65±7.83 (Vermouth), 80.23±5.22 (Rum), 78.20±3.70 (Tequila); while for flexural strength (MPa) were: 336.00±25.05 (aquades), 308.25±10.39 (Beer), 215.07±34.86 (Vermouth), 194.89±27.69 (Rum), 175.48±33.58 (Tequila). The ANOVA revealed significant differences in hardness and flexural strength (p<0.05). The LSD showed no significant difference in hardness and flexural strength of FRC soaked in aquades and Beer, while for other groups and aquades the differences were significant. In conclusion, FRCs soaked in different concentration of alcoholic beverages affected the decrease of hardness and flexural strength properties.
Highlights
It is known among the dentists that teeth do not have the ability to regenerate as other tissues in the body
Regarding to the time efficiency of patients visiting the clinic and the time reqired by the dentist to make fixed partial denture (FPD), there is an alternative of porcelain-fused to metal (PFM) restoration lately by the use of fiber-reinforced composite resin (FRC) restoration
It was seen from the table that the flexural strength and surface hardness properties of polyethylene FRCs exposed to higher percentage of alcoholic beverage were decreased
Summary
It is known among the dentists that teeth do not have the ability to regenerate as other tissues in the body. One of the treatments for missing teeth is fixed partial denture (FPD) restoration. The PFM is known to have the properties of good aesthetic appearance, high strength, and cost expensive [2]. The PFM restoration needs extensive remaining tooth removal for the placement of alloy frame and several patient visitings to the dental clinic [3]. Regarding to the time efficiency of patients visiting the clinic and the time reqired by the dentist to make FPD, there is an alternative of PFM restoration lately by the use of fiber-reinforced composite resin (FRC) restoration. The materials used for FRC restoration are flowable dental composite (mostly contain bis-GMA and filler), fiber (glass or polyetylene), and coupling agent [4]. The FRC restoration even can be finished by the dentist in one single visit of patient to the
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