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Sta Features Training Intralig.Inject. Erc
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Sta Features Training Intralig.Inject. Erc


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STA Set-up, Features, Maintenance; …

STA Set-up, Features, Maintenance;
STA Intraligamentary Injection

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  • 1. Welcome to the
  • 2. Table of Contents
    • Set Up
    • Operation – Features
    • Maintenance
    • STA-Intraligamentary Injection
  • 3. Set up – Faceplate Legend
    • A - Anesthetic Level Indicator
    • B - Auto Purge/Retract/Hold to Retract
    • C - Multi-Cartridge/Hold to Train Mode
    • D - Dynamic Pressure Indicator
    • E - STA Mode
    • F - Select Mode (Normal or Turbo)
    • G - Aspiration Button
    • H - Volume Control
    • I - Power Light
    C A D I E F G H B
  • 4. Set Up
    • FRONT
    • Attach Foot Control
    • Tighten Securely
    • BACK
    • Attach Power Cord
    • Turn Power Switch On
      • Wait 5 seconds for STA to Self-calibrate
  • 5. Set Up
    • Insert cartridge into holder
    • Press firmly until spike punctures the diaphragm
  • 6. Set Up
    • NEEDLE
    • Attach Luer-Lock Needle to
    • Handpiece, if necessary
    • Tighten Securely
    • Place Needle and Cap into Holder on either side of STA
  • 7. Set Up
    • Turn counter-clockwise
    • ¼ turn
    • STA activates and purges handpiece of air
    • Lights are activated
    • Insert wings of holder into top of STA
  • 8. Training Mode
    • The Training Mode provides an audible explanation of the various functions of the STA
    • Use to become familiar with operating the STA
    • Enable Training Mode by pressing and holding the “Hold to Train” button for 4 seconds
  • 9. Auto Purge – Manual Purge
    • - STA uses Auto Purge as the default and will automatically purge air from the system when set up is complete
    • - To use Manual Purge: press the Auto Purge Button B then depress the foot pedal to purge air from the system
  • 10. STA, Normal, Turbo Modes
    • A - STA Mode - uses DPS (Dynamic Pressure Sensing), ControlFlo only
    • Use Select Button to Access
    • B - Normal Mode - uses ControlFlo and RapidFlo
    • C - Turbo Mode - uses ControlFlo, RapidFlo, and TurboFlo
    A B C
  • 11. Foot Control – 3 Flow Rates
    • Depress Pedal Slightly
      • ControlFlo Speed (Use for Palatal and Intraligamentary injections)
    • Depress Pedal Moderately
      • RapidFlo Speed
    • Depress Pedal Firmly
      • TurboFlo Speed
  • 12. Cruise Control
    • In ControlFlo Rate – ONLY
    • Depress foot pedal slightly
    • After 3 Beeps, voice prompt says “Cruise”
    • Release foot from pedal
    • Cruise Control is activated
    • STA continues at ControlFlo rate
    • Tap foot pedal, to STOP
  • 13. Aspiration
    • If not needed, Aspiration can be turned OFF , by pressing Aspirate button
    • After purging, STA defaults to Aspiration ON
  • 14. Volume Control
    • To Change Audible
    • Volume:
    • Press + to increase volume
    • Press – to decrease volume
  • 15. Cartridge Volume
    • LED lights indicate amount of anesthetic solution remaining
    • STA “bongs” once when ¼ cartridge is expressed, twice when ½ is expressed, and three times when ¾ is used
  • 16. Multi-Cartridge
    • Used for 2 nd or 3 rd Cartridge on Same Patient
    • While plunger is retracted, press Multi-Cartridge Button
    • Indicator light turns ON
    • Remove empty cartridge; replace with new one
    • Insert cartridge holder onto top of STA; continue injection
    • STA defaults to Multi-Cartridge OFF after injection
  • 17. Plunger Retraction
    • Plunger Retracts Automatically :
      • When Auto Purge/Retract Light (A) is ON
      • And when cartridge is emptied or when cartridge holder is removed
    • Plunger Retracts Manually :
      • When Hold to Retract Button (B) is pushed for 4+ seconds
    B A
  • 18. Removal of Cartridge
    • A – Press Hold to Retract Button for 4 seconds to retract plunger
    • B – Turn cartridge holder ¼ turn clockwise to remove cartridge
    • C – Push cartridge out using finger slots at top of cartridge holder
    • Insert new cartridge and continue
    A B C
  • 19. Maintenance
    • A plastic barrier can be used to cover the STA
    • The STA can be cleaned by spraying disinfectant on a soft towel and wiping the unit.
    • Every 24 cycles the STA will remind you to “Lubricate plunger and ‘O’ ring”
      • Extend plunger by turning unit OFF, then Press & hold Auto Purge/Retract button while turning STA unit ON
      • Lubricate plunger and “O” ring with silicone gel provided in each box of Wand handpieces
    • Replace “O” ring if cracked or deteriorated
    • Be sure to learn about the other state-of-the-art injections administered with the STA , such as the AMSA & P-ASA, on the web site:
  • 20. STA- Intraligamentary Injection
  • 21. STA Dynamic Pressure Sensing (DPS)
    • Informs the Dentist of Correct Injection Site (PDL Space) with Ascending Lights and Sounds.
    • Informs the Dentist if the Needle has Left the Correct Site.
    • Informs the Dentist if the Needle has been Blocked.
    • All Feedback Information in Real Time.
  • 22. STA- Intraligamentary Injection
    • Injection Sites
    • Maxillary Teeth
      • Distal-buccal & Mesial-buccal Line Angles
    • Mandibular Teeth
      • Distal-lingual & Mesial-lingual Line Angles
        • Buccal Bifurcation on some Lower Molars
    • Always Start on Distal then Mesial
  • 23. STA-Intraligamentary Injection Technique – Part 1
    • Verify the unit is set to STA Mode
    • Break handpiece short to achieve better access
    • Bend needle towards bevel about 10-15 o
    • Orient needle bevel towards the tooth and approach tooth at about 45 o angle
    • Place needle in gingival sulcus
    • Initiate Cruise Control after 3 seconds
    • Gently and slowly move the needle apically until resistance is felt
  • 24. STA-Intraligamentary Injection Technique – Part 2
    • Hold needle steadily in place with minimal pressure for approximately 15 seconds
    • Ascending tones and lights will indicate the needle is in the correct injection site, the periodontal ligament space
    • If ascending tones and lights are not initiated after 15 seconds, move needle slightly until the correct position is attained and lights and tones are seen and heard
  • 25.
    • The pressure sensing LED lights will change from orange to yellow to green as pressure is increased and the injection site is maintained
    • When the lights attain the middle to high yellow zone, there is a good probability of successful anesthesia
    • When the lights attain the green zone, there is a high probability of successful anesthesia
      • The STA will announce “PDL” and a series of repeating tones will sound indicating a successful needle position
    • If excessive pressure is exerted or the needle is blocked, the STA will announce “Over Pressure” and the unit will stop. Restart the injection if this occurs.
    STA-Intraligamentary Injection Technique – Part 3
  • 26. STA- Intraligamentary Injection Technique
    • Verify the STA mode is ON
    • Place the needle passively in the gingival sulcus at about a 45 o orientation to the vertical
    • Keep the bevel towards the tooth
  • 27. STA- Intraligamentary Injection Technique
    • Maintain the needle’s 45 o orientation
    • As the flow of anesthetic is started and Cruise Control is engaged, slowly and gently move the needle apically
  • 28. STA- Intraligamentary Injection Technique
    • Continue to slowly move the needle apically until resistance is felt at the top of the PDL space
    • Hold the needle in place with minimal pressure
    • Wait for the STA sound and light indicators to begin
  • 29. STA- Intraligamentary Injection Technique
    • Wrong Needle Orientation (Too Vertical, not 45 o )
    • Needle too deep into the PDL space
    • Excessive Pressure on Needle
  • 30.
    • Technique to Eliminate Excess Anesthetic into Patient’s Mouth
    • After administering the correct volume on an injection site, hit and release the foot pedal to enter the Aspiration Mode, which is six Beeps.
    • After the Third Beep remove the needle from the mouth and direct the needle towards the patient’s bib, as a small amount of anesthetic will exit.
    STA-Intraligamentary Injection Technique – Part 4
  • 31.
    • Recommended Dosage:
      • ½ Cartridge per site using 2% Lidocaine 1:100,000 epinephrine
      • ¼ Cartridge per site using 4% Articaine 1:200,000 epinephrine
    • Duration: 40-60 minutes
    • This injection is contraindicated on a tooth with active advanced periodontal disease
    • Be sure to learn about the other state-of-the-art injections administered with the STA , such as the AMSA & P-ASA, on this web site:
    STA-Intraligamentary Injection Technique