Long-term clinical performance of experimental glass-ionomer cement with the bi-functional fluid
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Department of Conservative Dentistry and Endodontics, Medical University of Lublin, Lublin, Poland
Renata Chałas   

Department of Conservative Dentistry and Endodontics, Medical University of Lublin, Karmelicka 7, 20-081 Lublin, Poland
J Pre Clin Clin Res. 2015;9(2):109–114
Glass-ionomers have the ability to chemically bond to enamel and dentin, and are characterized by long-term fluoride release and absorption of fluoride from surrounding sources.

The aim of the presented long-term clinical trial was to evaluate and compare the three-year clinical performance of the experimental glass-ionomer cement ‘SJZ/W’ with the bi-functional fluid placed in carious and non-carious cavities.

Material and Methods:
Seventy restorations were made in adult patients of both genders. Clinical evaluation was performed at baseline and yearly intervals after placement using Ryge’s scale, considering the surface structure, anatomical form of the restoration and marginal integrity.

Immediately after placement, 70 restorations were assessed, 65 of which were subject to clinical evaluation after a year, 63 subject to clinical evaluation after 2 years, and 3-year evaluation was made for 55 restorations. The material showed minor changes in evaluated parameters and no differences were detected between their performance at baseline, and after three years only in anatomical shape. No post-operative sensitivity was recorded.

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