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[Enamel etching for conservative dental treatment]
Schweizerische Monatsschrift Fur Zahnheilkunde = Revue Mensuelle Suisse D'Odonto-Stomatologie
|October 1, 1975
Summary
Enamel etching improves dental restoration retention and reduces microfissures. Optimal results are achieved with 37-50% phosphoric acid, potentially negating the need for bonding agents.
Area of Science:
- Dentistry
- Materials Science
Context:
- The enamel etching technique is a cornerstone of modern restorative dentistry.
- Understanding the optimal parameters for this technique is crucial for clinical success.
Purpose:
- To describe the enamel etching technique, including various etching acids and concentrations.
- To illustrate the function of etching acids using electron microscopy (EM) photographs.
- To evaluate the necessity of bonding agents in conjunction with enamel etching.
Summary:
- Phosphoric acid concentrations between 37% and 50% appear to yield the best results for enamel etching.
- The morphology of the etched enamel surface and adhesion measurements suggest bonding agents may not be essential.
- Practical clinical applications of the enamel etching technique in dental practices are detailed.
Impact:
- Improved retention of dental restorations.
- Reduction in the size of cavities and microfissures at cavity margins.
- Potential simplification of restorative procedures by reducing reliance on bonding agents.