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Drilling Technique for Optimal Performance

Drilling Performance Factors. Cutting edge geometry for material drilling into: bone vs metal Cutting edge retention: hardness vs. toughness. Cutting Edge. Drilling Performance Factors. Drilling Performance Factors. Drilling technique: feed

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Drilling Technique for Optimal Performance

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    1. Drilling Technique for Optimal Performance Joel Gillard Karsten Zuendel Randy Huebner Portland, Oregon USA

    2. Drilling Performance Factors Cutting edge geometry for material drilling into: bone vs metal Cutting edge retention: hardness vs. toughness

    3. Drilling Performance Factors

    4. Drilling Performance Factors Drilling technique: feed & speed Tool life & Bone temperature Above 47oC for over 1 minute bone necrosis Eriksson et al 1984 Scand J Plast Reconstr Surg 18:261–268

    5. Drill Testing Outcomes Feed & Speed for 3.5mm SIGN drill Tool Life & Temp Practical drilling techniques Ideas for improving SIGN drill

    6. Methods

    7. Results

    8. Results

    9. Key article comparison

    10. Discussion

    11. Discussion

    12. Discussion

    13. Discussion

    15. Conclusion Push on the drill (17 lbs / 8 kg): more is better than less Faster RPM (1100) cuts quicker, but only if you push hard (17 lbs, 8 Kg), otherwise temp drill dulls Pulse or Peck every 2 – 3 sec Clears debris Reminder to push

    16. Conclusion Some irrigation is better than none Drill a small (2mm) hole first followed by 3.5mm All drills will eventually become dull, but the can be resharpened, find a craftsman Drills need to be properly used, cared for and maintain to have a long life

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