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Pulp response to a composite resin inserted in deep cavities with and without a surface seal
A B Fuks1, B Funnell, P Cleaton-Jones
1Department of Pedodontics, Hebrew University-Hadassah School of Dental Medicine, Jerusalem, Israel.
The Journal of Prosthetic Dentistry
|February 1, 1990
Summary
This study evaluated baboon pulp response to Occlusin composite in deep cavities. All tested methods, with or without zinc oxide-eugenol coverings, showed good pulp healing.
Area of Science:
- Dentistry
- Biomaterials Science
- Dental Pulp Biology
Background:
- Dental composites are widely used restorative materials.
- Understanding their interaction with dental pulp is crucial for clinical success.
- Zinc oxide-eugenol (ZOE) has historically been used as a pulp dressing.
Purpose of the Study:
- To assess the pulpal response to a specific composite material, Occlusin.
- To compare the effects of different cavity preparation and lining techniques on pulp healing.
- To evaluate the influence of a zinc oxide-eugenol covering on pulp response to composite restorations.
Main Methods:
- Deep cavities were prepared in 116 baboon teeth.
- Four groups were established: Occlusin direct placement with ZOE cover, etched Occlusin with bonding agent, unetched Occlusin without bonding, and ZOE control.
- Pulp response was evaluated using light microscopy at 5, 30, and 90 days.
Main Results:
- All experimental groups exhibited a favorable pulp response.
- Minor differences in tissue response were noted between groups.
- No significant adverse pulpal reactions were observed in any group.
Conclusions:
- Occlusin composite demonstrates good biocompatibility with dental pulp.
- Different application techniques, including the use of ZOE, did not compromise pulp healing.
- The findings support the use of Occlusin in deep cavity preparations with various lining strategies.