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Retrograde root filling with composite and a dentin-bonding agent. 2.
J Rud1, E C Munksgaard, J O Andreasen
1Department of Dental Materials and Technology, Royal Dental College, Copenhagen.
Endodontics & Dental Traumatology
|June 1, 1991
Summary
Retroplast composite fillings showed significantly higher complete healing rates than amalgam fillings in retrograde root canal therapy. This study compared outcomes for 388 cases, demonstrating superior efficacy for composite materials.
Area of Science:
- Endodontics
- Dental Materials Science
Background:
- Retrograde root fillings are crucial for endodontic treatment success.
- Traditional amalgam fillings have limitations in sealing and biocompatibility.
Purpose of the Study:
- To evaluate the efficacy of Retroplast composite resin for retrograde root fillings.
- To compare healing outcomes of composite versus amalgam retrograde fillings.
Main Methods:
- Surgical procedures for retrograde composite filling with Gluma dentin-bonding agent described.
- Comparison of healing results (complete, fibrous, uncertain, failures) up to 1 year for 388 cases.
- Statistical analysis of healing rates between composite (Retroplast) and amalgam groups.
Main Results:
- Complete healing observed in 74% of composite cases versus 59% in amalgam cases (p < 0.00005).
- Retroplast demonstrated significantly higher complete healing rates compared to amalgam.
- No significant difference in immediate postoperative complications between groups.
Conclusions:
- Retroplast composite resin is a more effective material for retrograde root fillings than amalgam.
- The technique aims for a thin, concave filling sealing canals and tubules.
- Lower front teeth showed fewer complete healing cases proportionally.