Category: Medit i700

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Introducing the Medit i700 Wireless Intra-Oral Scanner

In April of 2022, Medit launched its wireless version of the i700 intra-oral scanner.  We’ve been testing it ever since and are impressed with the range that it has. You want to be within 10 meters but more importantly you want to have clear line of site from the scanner to the hub. Much like anything else that is wireless, the further you are from the receiver the more difficult it is to maintain connection. In this video we demonstrate the distance at which you can maintain good connectivity.

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Testing the Range of the i700 Wireless

After connectivity we tested its ergonomics. Some users get frustrated with tangled cords that are teathered to the laptop computer. This is a great solution and there is not much weight added to the device making it very easy to handle

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Ergonomics of Medit i700 Intra-Oral Scanner

In this video we show the layout of the battery pack, the scanner, and the dimensions of the battery pack.  It is very easy to remove them and swap them with fully charged nodes.

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Wireless Medit i700 Battery Configuration

In this video we had the chance to scan a full set of upper and lower temporaries. You can see all the great features of the scanner in action where we capture the maxilla and mandible in little time.

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Full Mouth Rehab under Sedation

  the patient was sedated and intubated for the case so we could not keep track of the bite. Instead, we imaged all 30 prepared teeth and used medit compare / design to digitally mount them to the wax ups. In the link provided you can download the models and relate them to each other […]
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Fast and Easy Full Arch Temporary by Medit Design Software

Medit Compare, now called Medit Design, now has a boolean cut feature that lets you extract a temporary shell model from wax up or mock up model and prep model for easy and quick designs without painful margin marking on multiple units

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Introducing Medit’s Abutment Registration Feature

Medit’s software allows you to remove and pre-existing abutment and scan it outside the mouth. This allows you to find your margins without ever having to displace the tissue or reach hemostasis. Important matters to keep in mind with workflow

You must fill out the Rx form correctly and identify the abutment location
You must take the abutment scan at first in the right catalog box (upper jaw or lower jaw)
You must take the tibase / abutment outside the mouth and scan it under Abutment Registration Feature

watch the video for an introduction

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Register Abutment Scan
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AI Scanbody Match with Medit i700

In this video, we show how you to capture the healing abutment, the tissue profile after the abutment is removed, and then we image the scanbody while utilizing the AI feature of the Medit i700 to pick up all the data from the scanbody by matching the STL to the physical one during the scan

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AI Scanbody Match
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Distalized Second Molar During Temporary Stage

With second molars, you should always be on the look out for not just the jaw settling, if you remove the first point of contact, but also with the temporary step forcing the tooth to tip towards the distal, if there is no third molar to stop its tilting.

In this case, a doctor was trying to seat a second molar crown he had just prepped a few weeks prior.  There was an open contact and he could not ascertain the reason for this. He did take a second impression digitally so we had the chance to merge the two models and look for discreptancies between the preps. This video shows how the comparison of those two steps in Medit Compare

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Distalized Second Molar
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Meshwork in Local HD and RD Scanning

The Medit scanner has a feature where you can locally capture a preparation in HD mode.

This allows for more crisp visualization of tooth anatomy and morphology but most deem it clinically insignificant

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Scanned in HD and in RD

In this case a preparation was captured twice, once in regular definition mode and again in high definition mode

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Meshwork in Local HD and RD Scanning

The models were then rendered and compared and the differences were analyzed. You can import them into medit compare and see
For yourself

This crown was replaced along with multiple class 2 restorations approximating it. This last video shows the try-in of the amber mill block

HD vs RD local

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Fabrication of Lithium Disilicate Crown
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Creating Your Own Dental Morphology Library

Medit Orthodontic Simulation application allows you to segment out individual teeth from patient scans into an stl format that you can use as a template for smile design wax-ups. You have to watch the vide for it to make sense

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Export individual morphology
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The Digital 3D Shade Guide

3d-shade-guide-instructions

We’ve digitized the Vita 3D shade guide to help with color identification.  The same Medit scanner was used to scan the tabs and then this digital file was created. the assumption is that the same camera and light will hit natural dentition and the net effect will be the same.  Use at your own risk.

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3D Shade Guide

DOWNLOAD THE 3D Shade Guide

i think this can work!

i scanned the vita 3d shade guide with the same light i would use to scan teeth. Start with matching the value, then the hue, and then chroma.

*** correction made

Posted by Armen Mirzayan on Wednesday, August 18, 2021

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Measuring Intra-Oral Scanner Accuracy and How Accurate is the Medit Scanner?

Still not a single article published that says Medit ios is a good scanner ! its just been user driven for 3 years now.

 

it’s a good thing, because the world just changed. it is irresponsible to extrapolate research done outside the mouth on stone models or impressions into clinical significance with intra-oral scanning. There are parameters that are impossible to quantify like focal distance throughout the scan (unlike desktop scanners with known focal distances), the codes use to do the algorithms, the scan patterns, and also how light is treated by enamel, dentin, and restored materials.

 

i can’t believe people still use terms like trueness and accuracy when they really don’t even exist when you scan intra-orally. Like analog impressions, it is impossible to judge digital impression accuracy LIVE while it is happening.

 

Enter Medit! There are a few distinct ways to demonstrate an accurate scan live while it is happening. One way is to import a geometric shape that doesn’t alter its form while models are being rendered. That’s what’s demonstrated here. To my knowledge no one has ever studied this approach because no other camera lets you do this. i did see some publications where the authors attached objects like radiographic markers and after it was processed, they could measure that object and see if it distorted or not, but nothing at this level.

 

You can download the case and design along

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Medit’s Model Builder and Ortho Simulation Apps and the American Board of Orthodontics Electronic Cast Radiograph Evaluation (CRE)

The following information is from the The American Board of Orthodontics. We preview how the Medit Ortho Simulation and Model Builder can satisfy their criteria

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AOB Standards and Medit

ortho simulation wiht model builder
abo-model-analysis-02-23-2021
 grading-system-casts-radiographs
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Introducing the Medit Model Builder

Medit has many free applications, including Smile Analysis, Orthodontic Simulation, and now, Medit Model Builder

Adding bases has been a feature for a while but as usual, Medit was quick to respond to its users’ request by expanding the base to including holes for drainage in printing and by allowing us to add support pins to the models.  Many people who have printers, whether labs or clinicians, easily lose the proper vertical relationship when they print the models.  By adding these pins, it allows you to index the models properly for any finishing work someone may need to do.

Advanced users are unlikely to use this feature for a single unit, but it comes in handy for oral appliances, particularly when they have advanced the jaw to open the airway. Oh, and this app is free and you can use it with models created by any scanner

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Medit Model Builder
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Advanced Features of the Medit i700 IOS That Separate it From All Other Scanners

Here is why the Medit i700 is the best intra-oral scanner on the market if you do any kind of implant restorations. There are so many options and tools that are leap years ahead of other scanners and their software. Medit can automatically identify the scanbody for you so you don’t have to do cartwheels and gymnastics to pick up all of the scanbody. This is in part 1 of the video.
For advanced users, we are sick of dealing with scanbodies and checking to make sure they are seated all the way and not binding on the tissue or bone, so we developed this technique of just scanning the fixture itself. It is not ideal just yet, but it will be the future, as the inside of the fixture is too shiny. i just used some old cerec spray to mask the topography for this demonstration.
oh, and really, no one else can show you how to milk that medit like cad-ray.com can. we use it well beyond what it was intended for and frankly you are wasting your time and money with most others. contact Frank DeLuca, Frank Weinstein, Laura Geney, Nick Statly, Damien Bonner, Jonathan Acker in the US or Milos Gedosev, Mariangela Di Nato, Roddy MacLeod in Europe for more information

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Preview of Medit Compare Used in Merging Models, Modifying Them, Inverting Them, and Relating Them to Each Other with Medit Compare

This case shows how to relate models to each and maintain their relationships. It features the power of the Medit Compare app that lets you duplicate models, trim them, modify them to your liking. There are some very useful features in this app that can come in very handy
an important matter to remember is the “direction of travel” which is taking models from the Target folder and moving it to relate it to the Reference folder.
All models placed in each folder will maintain their relationships to each other when traveling to connect with the other models. Inverting models will also come in handy for advanced users. You can see the full video and download the case and design along here
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Duplicating Overdentures with Medit Compare
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Introducing the Medit i700!

We recently helped Medit launch its i700 Intra-Oral Scanner in Las Vegas.  See the videos for demonstrations and interesting interviews

Medit i700 Launch by CAD-Ray
April 16, 2021

Medit i700 Launch by CAD-Ray

Laura Geney and Mike DiTolla Introduce the i700

Introducing Smart Scanning

Interview with Dr. Armen Mirzayan

Interview with Partners Jon Acker and Rich LaFergolla

Interview with Medit CEO Mr. GB Ko

Intro Video with Interviews of Team Members

Medit i700 Intra-oral and Hand-Held Scanners

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Saving an Integrated Implant by Treating it as a Cast Post and Core by Combining Medit i700 Intra-Oral Scan with a Physical Impression of fixture’s Internal Shape

This implant was initially placed at the crest of the ridge in 2012.  its placement did not allow proper emergence profile and subsequently lost bone around the head of the implant by 2015.  The lack of blood flow to the crest of the bone at the cortical plate certainly could have contributed to its demise.  By 2015, the bacteria trap forced a new restoration to be placed which also ultimately lead to chronic inflammation due to improper contours.  The implant itself was well integrated and the decision was made to remove the top 3-5 mm of the implant and treat it as a cast post and core.

You can see how the Medit i700 was used to mix intra-oral scans with a PVS impression to capture the fixture.  Advanced users can utilize the stl of the implant itself to fabricate a post and core digitally.

 

 


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Dropping Margin on an Implant Fixture
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Design of Post and Core

The designed restoration was then sent to Burbank Dental Lab and it was milled out of wax and then cast to metal

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Milled Wax Post and Core

The post and core and the emax restoration were returned for delivery.  The emax was not crystalized until after the abutment was cemented and then it was tried in by itself to assure proper contours and contacts.  The great feature of lithium dissilicate is that you can add contact and glaze at the same time, which was required here as the mesial contact was weaker than desired after some minor adjustments

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Cast Post and Core for the Fixture

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Post and Core Try-in

Post op x-rays to verify seat and no excess resin after flap was raised to clinically visualize that there is no excess cement

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Scanbody Search in Meditlink Software

To use the Artificial Implant Suprastructure Identification Software to identify a scanbody, you have to understand how it is listed in the library.  It is not listed by the name of the implant company but rather the manufacturer that fabricates that implant lines scanbody.  For example, there are multiple choices for Nobel Active Conical Connection scanbodies.  The easiest way to find them is to search for the pre-loaded brands, but be aware of the routing abbreviations many companies utilize.  For Nobel Active, usually NB AC is used.

Then you must choose whether you are going to fabricate a Ti-Base or a Custom Abutment, and whether you are using  an intra-oral or extra oral scanbody.  The connection type (diameter) and the material (titanium vs. chrome cobalt) also must be selected.  Here’s a quick video that illustrates the selection process.  You must also consider if a 10 or 14 mm diameter blank is going to be used to mill the product.  In molar areas, a size 14 is preferred so that you can reach the outer most boundaries of your desired margins, whereas a 10 mm blank may be too narrow and small for a molar.

For more detailed videos visit the Implantology Section of our Online Tutorials

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Search for Scan Body