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Tips for obtaining high-quality intraoral data —— Fixed restoration
2024-07-29 14:32:17
Scanning Preparation
1. Equipment Preparation
* Check if the equipment has been successfully connected.
* Ensure the lens of the intraoral scanner head is clean and undamaged.
Attention: After confirming the successful connection of the equipment, you can insert the intraoral scanner head in advance for preheating to reduce clinical waiting time.
* Attach a medical blue film to the intraoral scanner handpiece, and also to the mouse or touch keyboard that will come into contact.
* Select the correct case type.
* Adjust the chair position and prepare for scanning
2. Intraoral Preparation
* Saliva Clearance
Before scanning, check the oral cavity and use compressed air or cotton balls to clear saliva around the teeth and nearby areas. Failure to clean the saliva will affect the scanning effect.
* Blood Clearance
Blood around the abutment teeth will affect the accuracy of the impression. lf there is continuous bleeding, hemostasis can be achieved using cotton balls containing epinephrine or by applying a gingival retraction paste to stop the bleeding. To increase efficiency in impression taking, you can scan the opposite jaw first while waiting for the abutment teeth to stop bleeding.
* Gingival Retraction
The purpose of gingival retraction:
1. Reduce blood and secretions in the gingival sulcus.
2. Expose the margin of the prepared tooth more clearly, which facilitates the technician to trim the shoulder.
3. Ensure a clearer and more accurate impression to assist the technician in trimming the model.
Start Scanning
1. Scanning Techniques
Scan-Occlusion
Scan-Lower-Jaw
Scan-Occlusion
2. Various Auxiliary Scanning Functions
(1) Preoperative Scanning
If the doctor wants to refer to the data before tooth preparation, they can select the preoperative scanning function. Please refer to the following scanning step:
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Click on the right side of the picture to see the next step
(2) Switch Upper and Lower Jaws
If you find that the upper and lower jaws are reversed during the scan, there is no need to rescan. Simply click this function to switch between upper and lower jaws.
(3) Locking Function
This function is used to protect the scanned area.For example, if you need to scan two implant scanbodies but only have one scanbody, you can first complete the scan for one implant position, then lock the scanned area and proceed with scanning the other scanbody.
3. Auxiliary Scanning Detection Tools
(1) Undercut Inspection
Adjust to the current observation position, then click the undercut function to view the undercut.
Green-Orange-Red colors represent the increasing depth of the undercut.
(2) Bite Detection
Click the bite detection button, move the mouse to the target abutment tooth position, you can check the specific values of the jaw at any time.
Green-Yellow-Red-Blue colors indicate decreasing occlusion distance, and blue shows that the occlusion has been penetrated.
Cleaning and Sterilization
1. Remove the used intraoral scanner head, wipe it with alcohol wipes or other cleaning substitute, then rinse it with running water.
2. Soak the intraoral scanner head in a diluted multi-enzyme cleaner for about 5 minutes, rinse with running water, then seal and soak in alcohol for about 15 minutes, and rinse again with running water.
3. Dry the intraoral scanner lens with air gun , then stuff the degreasing cloth into the lens to avoid water stains after high-temperature and high-pressure autoclaving.
4. Pack it up and put it in a high-temperature and high-pressure sterilization furnace to start the sterilization.
