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POTTING OF SPECIMENS

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POTTING OF SPECIMENS

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    1. POTTING OF SPECIMENS Introduction Objective Requirements Procedures

    2. Introduction Explanation to steps and methodology in potting of specimens. A general guide to the plotting style.

    3. Introduction Potters are to follow - the potting steps in sequence - all safety instructions . Safety is everyone’s responsibility

    4. Objective Main Objective in potting: Hold specimens securely in proper jigs and fixtures for biomechanical testing.

    5. Requirements Before the start of the any job, it is a good practice with a checklist to ensure all essential tools are available and in good conditions

    6. Requirements Dental cement solution and powder Paper cups wood stirrers Jigs and fixtures to contain the specimen Set of screws (self-tapping) Specimens Screws drivers Hand drill and drill bits Personal Protective Equipment (PPE) Masking Tape Paper

    7. Procedures Thaw the specimens Remove soft tissues from site of the bone that requires screw and dental cement attachment.

    8. Procedures 3. Attach screws in a way that properly holds the specimens and prevents slipping during the testing process.

    9. Procedures Drilling or sharp pointer ice pick assist in placing the screw

    10. Procedures In any drilling operation

    11. Procedures 4. Select suitable - Screw size and driver Attach screw to specimen Ensure proper engagement

    12. Procedures 5. Clear jig off oil, grease and other containment. Ensure: >=3 bolts are in placed specimen in place

    13. Procedures 6. Attach masking tape to side wall Prevents leakage of cement fluid to threaded area

    14. Procedures 7. Specimen should be potted in a stable position and on a level ground. 8. Any mixing of chemicals should be carried out in the fume hood. Proportion of mixture 1 portion of fluid : 2 Portion of powder

    15. Procedures

    16. Procedures 9. Pour mixture into jig and wait for mixture to solidify.

    17. Procedures 10. Clear off any side spill Ensure all screws are well conceal in the fluid level.

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