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Biomedical subjects

H E Strassler

Publications and source records attributed to H E Strassler.

At least 91 records · Page 5Linked to original sources

Class III acid-etch light polymerized composite resin restoration.

The use of an acid-etch enamel resin bonded Class III restoration allows for a more conservative cavity design. The acid-etch technique's benefits include retention without dentinal undercuts and creating reinforcement of undermined enamel. When a controlled method of acid-etched enamel resin-bonding with a syringe technique is used with a visible light curing composite resin, a durable, esthetic Class III restoration is achieved.

Acid Etching, Dental↗

Evaluation of clinical performance of twelve posterior composite resins with a standardized placement technique.

The purpose of the study was to evaluate 12 posterior composite resins with a standard clinical placement technique that could be followed in a practice setting. Important points stressed are the use of rubber dam, care taken to detail on manufacturer's directions, incremental placement technique, and a standard finishing technique. Sixty-one Class II restorations were placed by a single operator. All of the restorations were evaluated at baseline, one and three years using the modified Ryge criteria. Indirect evaluation of wear was completed for each restoration using Leinfelder's technique. Two percent of the restorations at 1 year and 17 percent at 3 years were not clinically acceptable.

Bicuspid↗

Effect of two cavity designs on root surface marginal microleakage.

Current methods for bonding composite resins rely upon the etching of enamel to attain a bond that is strong enough to resist polymerization shrinkage and decrease the amount of marginal microleakage. Previously, modification of cavity designs have been evaluated that have enhanced retention. However, all these cavity designs have utilized methods to increase the surface area of enamel to bond thus resulting in a stronger enamel bond. This in vitro study evaluated the effect of one cavity design modification when the restoration is placed entirely on cemental surfaces and relied on only cementum and dentin.

Composite Resins↗

Comparison of enamel microabrasion techniques: Prema Compound versus a 12-fluted finishing bur.

This clinical study was done to compare the effectiveness of microabrasion with Prema Compound versus a high speed 12-fluted bur with water spray in removing incisor hypomineralized defects. Twenty-one patients had two incisors with enamel surface defects. It was randomly decided to use Prema Compound on one of the incisors and a 12-fluted bur on the contralateral incisor. One operator did all the procedures, but the tooth's color changes were rated by three observers who rated color photographs pre- and postoperatively, and one of the three rated each patient's teeth in person. The data revealed that there was no significant difference between Prema Compound and the 12-fluted bur in removing incisor hypomineralized defects. Both microabrasion techniques significantly improved the tooth's color, but the Prema method took over 9 minutes longer. The 12-fluted bur caused no clinically identifiable marks on the enamel surface. Both techniques were very reliable in removing the brown hypomineralized enamel defects, but were far less reliable in removing the white mineralization defects. The 12-fluted bur appeared to be an easier and equally effective alternative to Prema Compound for mineralization defects in incisors.

Adolescent↗

Esthetic diagnosis.

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Diagnosis, Oral↗