Paper Information

Journal:   IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING   2004 , Volume 28 , Number B2; Page(s) 277 To 282.
 
Paper: 

THE EFFECT OF THE ADDITION OF ZR02, TI02 NUCLEATING AGENTS ON SETTING, WORKING TIMES AND COMPRESSIVE STRENGTH OF A GLASS IONOMER DENTAL CEMENT

 
 
Author(s):  MOZTARZAOEH F., , ROSTAMI A., SALARIAN R.
 
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Abstract: 
The effect of the addition of nucleating agents such as Zr02 and Ti02 on setting, working times and the compressive strength of a Si02-AI2O)-MgO-CaF2 restorative glass ion om er cement has been investigated using differential thermal analysis and X-ray diffraction. The addition of 2.5% Zr02 resulted in the formation of anortite, MgF2 and CaF2 crystalline phases more than the addition of the same amount of Ti02, and hence the setting, working times and compressive strength of the glass ionomer cement were notably increased. An increase in the heat treatment time caused an increase in the formation of the named crystalline phases.
 
Keyword(s): GLASS IONOMER DENTAL CEMENT, NUCLEATION, CRYSTALLINE PHASE, COMPRESSIVE STRENGH
 
References: 
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