![]() The accuracy of the scan determines the fit of the final restoration. Clinicians don’t have time to deal with complex software that consumes excess time and prevents them from performing dentistry. Is it easy to control the wand in your hand using a comfortable grip? Is the scanning wand too heavy or too bulky? Can you access all areas of the patient’s mouth? Does the scanner’s infection control regimen work well without degrading accuracy? The best intraoral scanners allow you to fully use them with ease. The size and quality of the scanning equipment itself are important. The key is to balance the critical features that you will use without buying something that is too complicated for the needs of your practice. Intraoral scanners must possess certain properties for them to be beneficial. Qualities of the Best Intraoral ScannersĬhoosing and purchasing an intraoral scanner is the first step toward the transition to digital dentistry. ![]() Intraoral scanning eliminates the inherent inaccuracies of traditional reverse-image laboratory methods that get carried through to the final restoration, often resulting in restorations that do not fit properly. These point clouds are then mathematically triangulated using specialized software to create a final 3D representation of the images, replicating the patient’s anatomy to extremely precise specifications. Those images are captured by imaging sensors which use specialized software to process and generate the data into point clouds. Similar to 3D scanners used in other industries, dental 3D scanners project a light source (either laser or structured light) onto intraoral tissues and the dental arches, including any prepared teeth and implant scan bodies (cylinders screwed onto implants that allow the implant position to be detected by the scanner). Those images are then used to construct virtual 3D models. In practical terms, chairside intraoral scanners allow the dentist to completely bypass the unpleasant and time-consuming process of taking physical impressions by capturing images of the patient’s anatomy. Now, virtual 3D surface models of the hard and soft tissues are the result of the optical impressions, allowing them to be transferred electronically through time and space to the dental laboratory. Tremendous improvements in intraoral scanning technology have revolutionized restorative dentistry for the better and brought the ability to offer impression-free alternatives to the masses. Who would have imagined it possible to have quality dental restorations and appliances made without using any impression material at all? Less than 10 years ago, time-consuming, messy impressions that provoked gagging in many patients were the norm.
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