YY/T 0521-2018Dentistry—Implants—Dynamic fatigue test for endosseous dental implants (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces YY/T 0521-2009 "Dental fatigue test of dental implants in dentistry". With YY/T 0521-2009 In addition to the editorial changes, the main technical changes are as follows.

--- Added 3.3 bone implant implant components;

--- Added 4.2 requirements "In the method recommended by the manufacturer, the tightening torque should be noted";

--- Added 4.2 requirements "If the manufacturer does not indicate the tightening torque in the manual, the appropriate tightening torque should be determined before the test";

--- In 5.3.1, change "the modulus of elasticity should be greater than 3GPa" to "the modulus of elasticity (compression modulus of elasticity) should be greater than 3GPa";

--- In 5.3.1, the "intra-bone fixation of the specimen should be fixed with a rigid fixture" should be changed to "the internal fixation of the specimen should be used Rigid fixture fixing (it is recommended to embed the specimen in the embedding material and then use the rigid fixture to fix it)";

--- Change the "test can be carried out in air at 20 °C ± 5 °C" in 5.4 to "For other planting systems, the test can be Conducted in air at a temperature of 20 ° C ± 10 ° C";

--- Cancel the "determination of the critical failure point and locate the location of the damage origination" in 5.6.3 to "describe the failure mode of the affected part, such as If possible, describe the failure process (eg, screw fracture and subsequent abutment fracture);

--- Increase 5.7 "Alternative method --- ladder method";

--- Added Appendix B "Worst Case Determination Guide".

1 Scope

This standard specifies the fatigue test method for wearing a mucosal single-bone internal dental implant and its pre-repair assembly. This method is different in comparison It is especially useful when designing different sizes of intraosseous implants.

Although this standard simulates the functional load of the main body of the endodontic implant and the pre-repaired component under "worst case" conditions, it is not applicable.

To predict the in vivo performance of endodontic implants or restorations, especially for multi-pile implant restorations.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 3075-2008 Metallic materials fatigue test axial force control method (ISO 1099:2006, MOD)

GB/T 9937-2008 Oral vocabulary (all) (ISO 1942. 1989, IDT)

GB/T 16825.1-2008 Inspection of static single-axis testing machines - Part 1. Examination of tensile force and/or pressure testing machine Inspection and calibration (ISO 7500-1:2004, IDT)

ISO 4965-1:2012 Dynamic force calibration for uniaxial fatigue testing of metallic materials - Part 1 Metallic materials - Axial load fatigue testing machines - Dynamic force calibration - Part 2. Dynamic calibration equipment (DCD) Test instrument

3 Terms and definitions

The following terms and definitions as defined in GB/T 9937-2008 apply to this document.