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Volume 32 , Issue 4
August 2012

Pages 467-475

Long-Term Follow-up of Conical Crown–Retained Dentures Fabricated Using Different Technologies

Jan K. Pietruski, MD, DDS, PhD/Malgorzata D. Pietruska, DDS, PhD/Eugeniusz Sajewicz, PhD

PMID: 22577653
DOI: 10.11607/prd.00.1088

This study presents the results of a long-term clinical evaluation of conical crown–retained dentures fabricated using different technologies. Four different material connections between the outer and inner crowns were used: cast gold/cast gold, cast gold/electroforming, nonprecious alloy/electroforming, and titanium abutment/electroforming. Technical failures and retention values were assessed. The best clinical outcome was found with dentures in which both crowns were cast from gold alloy. The most frequent technical failures were observed in restorations with electroformed outer crowns. Better clinical outcomes were noted when the electroformed outer crowns were used in dentures retained by implants as compared to dentures on natural dentition. (Int J Periodontics Restorative Dent 2012;32:467–475.)

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