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Updated: Jul 10, 2026

Oral Biofilm Formation on Different Materials for Dental Implants

Oral Biofilm Formation on Different Materials for Dental Implants

Published on: June 24, 2018

Cement selection for cement-retained crown technique with dental implants.

James L Sheets¹, Charles Wilcox¹, Terry Wilwerding¹

¹Professor, Department of Prosthodontics, Creighton University School of Dentistry, Omaha, NEProfessor.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists

|November 1, 2007

Summary

This study compared dental cements for implant-supported crowns, finding significant differences in retention strength. Clinicians can use the provided ranking as a guide for selecting appropriate dental cements for implant abutment restorations.

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Area of Science:

Dental Materials Science
Biomaterials Engineering
Prosthodontics

Background:

Dental cements are crucial for securing implant-supported crowns.
The cement-retained crown (CRC) technique requires specific cement properties for reliable retention.
Evaluating common and specialized cements is essential for optimizing clinical outcomes.

Purpose of the Study:

To assess and compare the retentive strength of various dental cements used in the implant abutment CRC technique.
To evaluate cements adapted for CRC versus those specifically formulated for this application.

Main Methods:

Ten implant analogs were prepared with standard abutments and CRC.
Eleven different dental cements were tested, including conventional and specialized formulations.

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Oral Biofilm Formation on Different Materials for Dental Implants

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Crowns were cemented, stored, and subjected to pull-out tests using a universal testing machine.

Main Results:

Significant differences in retentive strength were observed among the tested cements.
UltraTemp (regular) exhibited the highest mean retentive load (358.6 N), while Premier Implant with KY jelly showed the lowest (31.6 N).
Cements were categorized into statistically distinct groups based on their retentive capabilities.

Conclusions:

No single cement was definitively superior for all implant-supported crown retentions.
The study provides a ranked list of cements to guide clinicians in selecting based on desired retention levels.
Further research may be needed to establish definitive retention thresholds for clinical success.