Intraoral Scanner vs Intraoral X-ray: What’s the Difference and Why It Matters for Dental Practices

Introduction

When it comes to digital dentistry, two terms often cause confusion: intraoral scanner and intraoral X-ray. At first glance, both sound similar , both involve looking inside the mouth , but they serve very different purposes. Understanding this distinction is essential for practice owners who want to make the right investment in equipment, ensure compliance, and ultimately provide the best patient care.

What is an Intraoral Scanner?

An intraoral scanner is a digital device that takes 3D images of teeth and soft tissue. Instead of using traditional impression materials, the scanner captures a highly accurate digital model that can be used for:

• Designing crowns, bridges, aligners, and dentures

• Treatment planning for orthodontics

• Digital records for long-term monitoring

Because they create a virtual model of the mouth, intraoral scanners are a game-changer for both dentists and patients. They remove the discomfort of impression trays and streamline the entire workflow with dental labs.

What is an Intraoral X-ray?

An intraoral X-ray, by contrast, is a diagnostic imaging tool that shows the condition of the teeth, roots, and surrounding bone. It uses a controlled dose of radiation to capture internal structures that are not visible to the naked eye. These X-rays are vital for:

• Detecting cavities between teeth

• Identifying bone loss and gum disease

• Checking the status of developing teeth

• Monitoring the success of previous treatments

Unlike scanners, intraoral X-rays give information about the inside of teeth and bone, which a surface scan cannot provide.

Key Differences Between Scanner and X-ray

• Purpose: Scanner = 3D digital impressions; X-ray = diagnostic imaging of bone and teeth.

• Technology: Scanner = optical light; X-ray = radiation.

• Patient Experience: Scanner = no radiation, replaces impression trays; X-ray = quick, safe, low-dose diagnostic tool.

• Output: Scanner = 3D model for restorative and orthodontic work; X-ray = 2D radiograph for clinical diagnosis.

Both technologies complement one another. One shows surface structures in fine detail, the other reveals internal health. Together, they support accurate diagnosis and effective treatment.

Why This Matters for Your Practice

Choosing the right equipment is not about scanner versus X-ray — most modern practices need both. A scanner supports restorative and orthodontic workflows, while X-rays remain essential for diagnosis and compliance with regulatory standards.

At Diamed Engineering, we work with dental practices across the UK to ensure that all imaging equipment — whether scanners or intraoral X-ray units — is properly installed, serviced, and compliant with CQC and ORR17 requirements. Our aim is to keep your practice running smoothly so that you can focus on patient care.

Final Thoughts

While the names can be confusing, the difference is clear: intraoral scanners are for impressions, intraoral X-rays are for diagnosis. Together, they form the backbone of modern dentistry. Investing in both ensures precision, compliance, and comfort for patients.

If you are considering upgrading your imaging equipment or want guidance on compliance and servicing, speak to our team at Diamed Engineering.