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2. Factors affecting the long-term results of endodontic treatment;Sjögren;J Endod,1990
3. The value of the dentinocemental junction in pulp canal surgery;Grove;J Dent Res,1931
4. The apex: how critical is it?;Simon;En Dent,1994
5. A new simple standardized technique producing perfect fitting impermeable root canal fillings extended to the dentinocemento junction;Grove;Dent Items Interest,1928