Intraoral scanning refers to the process of using a handheld device, called an intraoral scanner, to create digital impressions of a patient's teeth and gums. This technology replaces the traditional method of using impression materials and trays, offering a more comfortable and efficient experience for both the patient and the dentist.
Here's a more detailed explanation:
• What it is: An intraoral scanner is a small, wand-like device connected to a computer. It uses light (like lasers or structured light) to capture a series of images of the oral cavity, which are then stitched together to create a 3D digital model.
• How it works: The scanner projects a light pattern onto the teeth, and the sensors in the wand capture how the pattern deforms. This deformation data is used to calculate the 3D shape of the teeth and surrounding tissues.
• Benefits:
• Comfort: Eliminates the need for messy impression materials, making the process more comfortable for patients.
• Efficiency: Scanning is typically faster than traditional impressions.
• Accuracy: Intraoral scanners can provide highly accurate digital impressions, which can lead to better-fitting restorations and orthodontic appliances.
• Improved communication: The 3D models can be easily shared with dental labs and used for patient education.
• Real-time feedback: The scanner provides immediate feedback on the quality of the scan, allowing for adjustments during the process.
• Applications: Intraoral scanners are used for various dental procedures, including:
• Creating study models
• Fabricating crowns, bridges, and other restorations
• Planning orthodontic treatments
• Fabricating dentures and other prosthetics
• Monitoring tooth wear
• Safety: Intraoral scanners are generally considered safe, as they do not emit harmful radiation.
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