Rekomenduojame aplankyti
Hypotheses. There were three hypotheses in this study: H1) roots treated with resorcinol formaldehyde resin (RFR) are less resistant to fracture than roots with an intact pulp, H2) RFR roots are weakened by the re-treatment, and H3) retreated RFR roots are further weakened by the presence of micro cracks.
Undefined
