HOW TO USE THE OSSTELL ISQ A STEP-BY-STEP GUIDE
Osstell ISQ (Implant Stability Quotient) is a device that uses Resonance Frequency Analysis (RFA) to measure the stability of dental implants. It provides a numerical value (ISQ) that indicates the degree of implant stability. The higher the ISQ value, the more stable the implant.
MATERIALS NEEDED •
Osstell ISQ device (e.g., Osstell Beacon, Osstell IDx)
• •
SmartPeg (specific to the implant system)
SmartPeg mount
STEP-BY-STEP GUIDE 1. Preparation • Charge the Osstell device: Ensure the device is adequately charged according to the manufacturer’s instructions. • Select the correct SmartPeg: Choose the SmartPeg that is compatible with the specific dental implant system you are using. SmartPegs are single-use in most cases. • Attach the SmartPeg to the Implant: ◊ Attach the SmartPeg using the mount. ◊ Gently screw the SmartPeg into the implant or abutment using the SmartPeg mount with finger force. Do not overtighten (4-6 Ncm is usually recommended). 2. Taking the Measurement • Turn on the Osstell device: The device activates with a motion sensor or a button. • Position the Osstell device: ◊ Hold the Osstell device probe close to the SmartPeg (usually within 1-2 mm) but without touching it. ◊ The device will emit a slight vibration. ◊ An audible sound indicates the start of the measurement. • Obtain the ISQ reading: The ISQ value will be displayed on the device screen. Record the ISQ value.
• Measure in two directions: It is recommended to take measurements in at least two directions (e.g., bucco-lingual and mesio-distal) to get a comprehensive assessment of implant stability. The device will prompt you to measure in different directions. 3. Interpreting the Results • Understand the ISQ scale: The ISQ scale typically ranges from 1 to 100. ◊ Higher values indicate greater stability. ◊ General guidelines: • < 60: Low stability • 60–69: Medium stability • > 70: High stability • Clinical judgment: Always interpret the ISQ values in conjunction with other clinical assessments, such as radiographic evaluation and the dentist’s clinical experience. 4. Post-Measurement • Remove the SmartPeg: After completing the measurements, carefully remove the SmartPeg from the implant using the SmartPeg mount. • Clean the device: Clean the Osstell device according to the manufacturer’s instructions. Use approved disinfectants. Do not autoclave the device itself. SmartPegs are typically single-use and should be thrown out after use. • Record the data: Store the ISQ values in the patient’s record for future reference and comparison. IMPORTANT NOTES • Always follow the manufacturer’s instructions for the specific Osstell device you are using. • Ensure that the SmartPeg is properly attached to the implant. • Avoid applying excessive force when attaching or removing the SmartPeg. • Regularly calibrate the Osstell device as recommended by the manufacturer. • Use proper infection control procedures.
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