Abstract
BackgroundThe aim of the present study was to determine Shear bond strength (SBS) of different flowable compomers on the enamel surface of primary teeth. The null hypothesis to be tested was that none of the flowable compomer would differ significantly from the other two with respect to SBS. As a result, the tested materials that have the easiest application on child patient is preferred.Material and MethodsSixty newly extracted non carious primary molars were selected. The buccal surface was cleaned and polished to obtain a flat enamel surface. The specimens were randomly divided into three groups of 20 teeth each, based on the flowable compomers applied, as follows: group I: Dyract Flow® (Dentsply, Konstanz, Germany); group II: Twinky Star Flow® (Voco, Cuxhaven, Germany); and group III: R&D Series Nova Compomer Flow® (Imicryl, Konya, Turkey).ResultsSBS in group II (6.78± 0.45 MPa) were significantly lower than groups I and III (8.30 ± 0.29 and 8.43 ± 0.66 MPa, respectively) (P<.001). No significant difference was found between groups I and III (P<.05).ConclusionsSignificant differences existed between the SBS of the groups. Therefore, the null hypothesis was rejected. Flowable compomers can provide adequate SBS with self-etching system at restoration of primary teeth. Thus, successful restorations in pediatric patients can be done in a practical way. Key words:Flowable compomer, primary teeth, shear bond strength.
Highlights
The researchers are trying to find that perfect restorative material to making the restorative process faster and more with acquisition of time and money and preventive of healthy tooth structure and have highly adhesion to tooth structure in paediatric dentistry [1,2,3]
Packable compomers are commonly used for restoration of primary teeth
Packable compomers have been shown to have a number of clinical advantages; there are some disadvantages while they were compared with flowable compomers
Summary
The researchers are trying to find that perfect restorative material to making the restorative process faster and more with acquisition of time and money and preventive of healthy tooth structure and have highly adhesion to tooth structure in paediatric dentistry [1,2,3]. Flowable compomers have been claimed that they were the first choice for restorative treatment of class V and deep, narrow cavities, with difficult access angles of primary teeth especially under the difficult clinical conditions due to the cooperation problems of child patient by manufacturers. They can use for class II cavities as liner because they have low elastic modulus that might be provided the material with stress absorbing ability and as pit and fissure sealant for permanent teeth [8]. The aim of the present study was to determine Shear bond strength (SBS) of different flowable compomers on the enamel surface of primary teeth. Successful restorations in pediatric patients can be done in a practical way
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