iTero scan in Dubai: digital intraoral scanning instead of putty impressions

Key facts

• Digital scanning replaces putty impression trays
• A full scan usually takes a few minutes per arch
• A 3D model is shown on screen immediately
• Used for aligners, appliances, retainers and progress checks
• Intraoral scans involve no radiation

What a digital intraoral scan is

A digital intraoral scanner is a slim wand connected to a computer. As it is moved around the teeth and gums, it captures a rapid series of images and stitches them into a precise 3D model of each arch and the way the teeth bite together. iTero is one widely known brand of intraoral scanner, often associated with Invisalign planning; at Manhal, impressions are taken with digital intraoral scanning, and the clinic can tell you which scanning system is used for your treatment. Whichever system is used, the principle is the same: a digital record replaces the trays of putty traditionally used to take moulds, and the file can be used directly by planning software and laboratories.

Why scanning instead of putty impressions

Traditional impressions involve a tray of soft material held in the mouth until it sets, which many people find uncomfortable, and some find triggers their gag reflex. A digital scan takes only a few minutes, there is no material to set, and the scan can be paused at any time if you need a break. Because the model builds on the screen in real time, any area that was missed can be rescanned immediately instead of repeating the whole impression. Digital models do not shrink, tear or distort in transit, and they can be stored indefinitely, so the same record can be compared with later scans to measure change.

Outcome simulation and treatment planning

Once the scan is complete, the 3D model can be reviewed with you straight away, which makes it much easier to understand crowding, spacing and how your bite fits. For clear aligner treatment such as Invisalign, the scan is the starting point for a digital treatment plan, and you can often see a simulation of how the teeth are planned to move and the intended final position before committing. Dr. Pacha reviews and adjusts these plans himself so that movements are realistic and safe. A simulation is a planning tool, not a promise: biology, wear time and how teeth respond all influence the final result, which is why progress is checked along the way.

Accuracy and its uses: aligners, braces and retainers

Digital scans are highly accurate when taken carefully, and they record fine detail of tooth surfaces and the bite. Beyond aligners, scans are used to design appliances such as expanders, functional appliances and splints, to make custom retainers at the end of treatment, and to record a baseline before treatment begins. At later visits, a new scan can be compared with the original to show how far teeth have moved and whether the bite is changing as planned. If a retainer is lost in future, a stored scan may allow a replacement to be made without starting again. Where jaw anatomy, roots or the airway need to be assessed, a CBCT scan is used alongside.

What to expect at your scanning appointment

The scan usually takes a few minutes per arch, plus a short bite recording. You sit comfortably in the dental chair while the wand is moved over the teeth; there is no radiation involved in an intraoral scan, and most people find it easy. Brushing beforehand helps, as heavy plaque or food can affect the image. The scan is normally part of the full orthodontic consultation with Dr. Pacha, which also includes a clinical examination of the teeth, gums, bite and jaw joints, and X-rays or CBCT where indicated. You then receive a written plan with options, likely duration and retention, and can ask questions while looking at your own 3D model.

Invisalign straightens teeth with a series of removable, nearly invisible aligners made from a 3D scan. You can take them out to eat and clean, and progress is planned digitally from the first visit.

Prepared by the Manhal Medical Center editorial team · Updated: 2026-10-18 · Treating specialist: Dr. Moaiyad Pacha

This page is general information and does not replace a consultation. Suitability, risks and results vary between patients.