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Intraoral Scanner Digital Impression

Replacement of conventional alginate or polyvinyl siloxane impressions with optical scanning of the dentition using a handheld intraoral scanner, generating a high-resolution 3D digital model used for restoration design, orthodontic planning, implant guides, and clear aligner fabrication with greater patient comfort and faster turnaround.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

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This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Ağız ve Diş Sağlığı department. Book Appointment →

What is Intraoral Scanner Digital Impression?

Intraoral scanners are handheld optical devices that acquire 3D surface data of teeth and gingival tissues by capturing thousands of images per second and stitching them together with sophisticated software. Major scanner platforms include iTero, 3Shape Trios, CEREC Primescan, Medit, and Carestream, each using slightly different optical principles (active wavefront sampling, confocal imaging, structured light triangulation) and offering features such as color capture, caries detection, occlusal analysis, and real-time bite verification.

Clinical applications span restorative dentistry (crowns, bridges, inlays/onlays with same-day chairside CAD-CAM milling), implant dentistry (impression for custom abutments and CAD-CAM crowns, full-arch implant scanning with scan bodies), orthodontics (clear aligner therapy planning, indirect bonding tray fabrication), prosthodontics (full and removable partial denture digital workflows), and surgery (3D-printed surgical guides for implant placement). Digital files are transferred to laboratories via cloud-based platforms, eliminating delays of physical impression shipping.

Advantages include patient comfort (no tray, no impression material, no gag reflex), time efficiency (faster than conventional, allows immediate retake of error areas), digital archiving and easy sharing, integration with digital smile design and orthodontic planning software, and reduced material costs over time. Limitations include initial equipment investment, learning curve for full-arch scanning accuracy, difficulty scanning subgingival margins and very deep preparations, and challenges with full-edentulous cases where landmarks for stitching are absent. Accuracy depends on scanner technology, operator skill, scanning protocol, and clinical conditions (saliva, blood, soft tissue movement).

Symptoms

Need for crown, bridge, or onlay impression
Severe gag reflex preventing conventional impression
Orthodontic clear aligner planning
Implant impression with multiple units
Digital smile design consultation
Pediatric or anxious patient
Same-day chairside restoration desire

Risk Factors

Excessive moisture or salivation
Subgingival or deep margin preparation
Limited mouth opening
Long edentulous span without landmarks
Patient inability to keep mouth open
Intraoral bleeding obscuring scan
Inadequate gingival retraction

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Need for restorative dental work
  • Orthodontic treatment consultation
  • Implant placement planning
  • Cosmetic dentistry consultation
  • Difficulty tolerating impressions previously
  • Multiple restorations needed
  • Smile design and analysis interest

Treatment Methods

01
Patient education and comfort positioning
02
Tooth surface drying and isolation
03
Optical sweep capture of full or partial arch
04
Bite registration scan
05
Real-time review and selective rescanning
06
STL/PLY file export and lab transmission
07
CAD-CAM design and restoration fabrication

Which Department to Visit?

You can visit our Ağız ve Diş Sağlığı department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Ağız ve Diş Sağlığı Department

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You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.