Dental scans at a first consultation: what each record shows

A scan should answer a question

A scan can help plan your care, but the type you need depends on what you are considering. Replacing a missing tooth, straightening teeth and repairing wear may call for different records. Your first consultation should establish the question each scan would answer and how it could affect your options.

A surface model records visible contours

An intraoral scan produces a digital record of visible tooth and gum contours. It can contribute to planning appliances or restorations and make the shape of the mouth easier to discuss. It is not the same record as an X-ray image of roots or supporting bone. A detailed-looking surface model therefore should not be interpreted as a complete assessment of everything beneath it. Ask which aspects of the proposed treatment the model helps the clinician evaluate and what still requires examination or other information. [1][2]

Radiographic information serves a different purpose

Dental X-rays and three-dimensional radiographic imaging may be considered when they answer an appropriate clinical question. Implant assessment, for example, needs information about the site as well as the intended replacement tooth. The clinician should explain the purpose of the investigation and how its result could affect suitability, position or the sequence. Do not assume that a larger or more visually impressive image automatically means a better plan; the value lies in obtaining information relevant to a decision. [2]

Photographs help communication and comparison

Photographs can document visible features and help explain what a patient wants to preserve or change. They are useful records, but an image does not reveal every tissue condition or prove that a proposed intervention is necessary. Colour also needs careful interpretation: clinical research shows that natural teeth can appear lighter when dehydrated. Ask when shade is being assessed and whether a photograph is intended as a communication aid, a baseline record or part of planning a particular restoration. [3]

Clinical examination connects the records

Your dentist puts the images alongside your history and examination to understand what is happening. The British Orthodontic Society (BOS) emphasises assessment and diagnosis before planning aligners. A screen can help explain the findings, but your clinician still needs to distinguish what the image shows from what treatment might be appropriate. [4]

A simulation describes an intention

Digital plans can illustrate desired tooth positions or a restorative design. They should be discussed as intended changes whose feasibility needs assessment. Reviews of aligner predictability identify variation between movements and limitations in the evidence. A sequence on screen is therefore not proof that every tooth will move exactly as displayed. Ask which elements are uncertain, what progress checks are planned and what would lead the clinician to revise the method or expected endpoint. [5]

Know what happens after the appointment

Ask which records support the current recommendation, whether further assessment is required and who will explain the findings. Confirm the proposed treatment, alternatives, fee and next decision before agreeing to an irreversible step. Iconic Smiles describes digital technologies within its group; your individual plan should identify which are relevant and where the proposed appointments occur. You should leave understanding the clinical purpose of the records, not merely having seen an attractive model of your teeth. [1][6]

In practical terms:

You should understand what each record shows, how it informs your treatment and which questions still need answering.

Research and guidance

1. Digital Dentistry & Dental Technology | Iconic Smiles
2. Dental implants - Overview | Guy's and St Thomas' NHS Foundation Trust
3. A randomised controlled trial to investigate the effects of dehydration on tooth colour.
4. Clear aligners - British Orthodontic Society (BOS)
5. Factors Influencing the Predictability and Success of Invisalign Aligners: A Systematic Review.
6. Dental Practices in Hertfordshire & London | Iconic Smiles