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AutoScan-DS-EX 3D Scanner for Anterior Teeth Injury

 

Overview:

 

The patient at Hangzhou Greentown Stomatological Hospital was diagnosed with anterior teeth injury and was prescribed the following therapeutic regimen: fiber post-restoration after root canal therapy along with EMAX all-ceramic crown restoration. Dentist Zhang, Chao from the department of stomatology used AutoScan-DS-EX impression scanning for the digital restoration of a patient’s anterior teeth, shortening the whole treatment process to one day. 

 

 

Whole Process:


1. Preoperative diagnosis

                                                                   Pre-op photos


The Injury on the No. 21 tooth affected the overall appearance of the patient’s teeth.

 

                                                                   1st shade matching


Preliminary shade matching enabled the technician to better grasp the color of the final prosthesis


2. Tooth preparation


                                      2nd shade matching after teeth preparation


Conducting shade matching before and after tooth preparation, the technician could better determine the color of teeth.


3. Impression taking

                                                                     Impression


The Impression was taken once the prepared tooth was confirmed


4. Scanning


Description of the parts

                                            Working model: impression

                                            Opposite jaw: plaster model

                                            Jaw relation record: bite wax


In this case, alginate impression was applied for the opposite jaw, which was prone to deform without perfusion of plaster model in half an hour, so plaster model of the opposite jaw was made to ensure the stability and accuracy of data.Or, the alginate impression can be scanned immediately after taking the impression.


-Create a new order (with DentalManager)


Opened DentalManager and created a new order, then filled in dental position and prosthesis information, order information, scanning type, jaw relation record, and etc.

 

Clicked “Save” and “Scan”, entering DentalScan automatically, and then selected data type of the upper and lower jaw according to prompt.


-Scanning the parts by AutoScan-DS-EX

Placed in sequence the bite wax, opposite jaw model, and impression on the scanner for scanning.


                                                  Captured Jaw relation record data


                  Data of the opposite jaw was real-time displayed on the computer


                                                       Captured Impression data


-Aligning



Aligned the upper and lower jaw models with bite wax.


Checked the data, pruned the data and deleted the redundant data.


Finally, the complete data needed for manufacturing crown were obtained and data scanning was completed


5. CAD design


Through DentalManager, the scanned data could be directly shared to a CAD designer who can download and open it in exocad to design directly.


6. Digital processing and manufacturing


After the design was completed, data would be sent to a dental lab for milling and production through the internet, thus eliminating the process of transporting the dental model from the clinic to the dental lab and optimizing the overall crown production process.



Real-life scenario of digital processing


Data collection (3D scanning) ——CAD design——CAM milling and production


7. Completion


Intraoral crown wearing


The crown was made and put into the mouth of the patient, which was nice-looking and seemed quite like natural teeth. The patient was satisfied with the final result in such a short treatment time.


Advantages:

-Save time and bring a better effect


With the light and compact AutoScan-DS-EX scanner, it’s quick and convenient to capture the complete and high-accuracy data for manufacturing crown. Compared to the traditional dental treatment process, the whole manufacturing process of dentures is simpler and smoother but with better restoration effect, saving time from the transport process of the impression.

 

-Improve patients’ experience


By completing the restoration in one day, patient doesn’t have to make multiple appointments. Also, the 3D data helps patient to better understand therapeutic regimen, improving the doctor-patient communication.

 

-Data digitization


The software DentalManager can be seamlessly integrated with three mainstream CAD software in the market and support public cloud sharing. The dentist can send the scanned data directly to CAD designer in the factory for design and then for intelligent manufacturing. The traditional plaster model has been transformed to digitized data, which is easier for tracking, preservation, studying and analysis.

 

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