Remember biting into a tray of cold putty for an old crown? Learn how optical scanning can record teeth instead in suitable cases, what has not changed about the purpose of an impression, and how to raise comfort concerns in Old Milton.
Many people who had a crown or partial denture made years ago recall a tray of thick material held in place until it set. The goal of that step has stayed the same: capture the shape and position of teeth and nearby tissue so dental work can be planned and built. What can differ now is the tool. An optical scanner records the same surfaces as a digital model.
It helps to think of the scan as a way of gathering information. It is not a treatment, and it does nothing to the tooth itself. In suitable situations it can replace the tray, but that depends on which part of the mouth needs recording, the kind of work proposed and how much detail is required. Some impressions are still better taken with material.
If an earlier impression left you uneasy, say so when you book. Tell us whether gagging, a stiff jaw or difficulty holding your mouth open was the issue. Our team can explain how the record would be collected for your treatment and which arrangements are available, rather than assuming that one technique fits every mouth.
A scan is only useful when it answers a need in your care plan. Ask which teeth and surfaces will be recorded, and how the finished model will be used in designing or making the work.
An ageing crown, a gap to be filled or a new appliance may each call for a detailed record of the teeth involved and how they bite together. The prepared tooth, its neighbours and the opposite jaw can all matter. Begin with what the treatment needs, not with the scanner.
Gagging, a sense of fullness or the taste of the material can make trays hard going. Describe what happened before. Scanning may be an option where it suits the work, yet a wand still has to move around the teeth, so some discomfort is possible.
Teeth move, fillings get replaced and plans change. A model taken some time ago may no longer reflect your mouth. Tell the team what has happened since, and expect them to judge whether an old file still provides what the current work requires.
Surface scanning records shape only. It is a different thing from an X-ray or a CBCT examination, and it cannot show roots, bone or other structures that may need to be imaged separately.
With a material impression, a flaw might not be noticed until the mould has set and been inspected. A digital model builds on screen, so missing or unclear sections can often be seen during the visit and recorded again. The file then moves into whatever clinical and laboratory steps your work involves. Usefulness, not novelty, is the measure.
Not holding a mouthful of material is easier for some people, though comfort is personal and scanning time depends on how much needs recording. Before starting, agree on how to signal a pause, how wide you can comfortably open and what head position works for you.
Patient information: UCLH — digital impressions in dental care
When the system displays it, the team can point out what has been recorded and why teeth beside the treated one, or the opposite arch, are included. The image helps with planning but does not diagnose anything on its own.
A suitable file can be sent through the appropriate professional workflow so a restoration or appliance can be designed and made. Ask who handles that stage and what it involves. Sending a scan does not by itself fix a delivery date.
A record must contain every detail the planned work depends on. If a section is incomplete, another pass or a different recording method may be needed. That checking is part of the job, not a sign that something went wrong.
Your visit will depend on the treatment behind it. Ask whether the appointment is only for taking records, or whether tooth preparation, a temporary or another procedure is planned as well.
The dentist outlines why an impression is needed and whether scanning is appropriate and offered for your case. This is the time to ask about limits, alternatives and fees. Mention gagging, restricted opening or positioning needs.
For the scanner to work, the teeth being recorded must be dry enough and easy to reach. Depending on the procedure, gum tissue around a tooth may need gentle management. A tooth prepared for a crown needs its finishing edges captured clearly.
A small handheld scanner is guided around the relevant teeth as the model forms. Opposing teeth and the way they meet may also be recorded. Follow the team’s cues on positioning, and use the agreed signal whenever you need a moment.
The team checks that the information is good enough for its intended use, scanning again or switching method if necessary. Before you leave, confirm the next appointment, any instructions for temporary work and when the finished piece will be checked.
A scan by itself normally needs no recovery. Freezing, tooth shaping, a temporary restoration or other treatment done during the same visit may each bring their own instructions.
If you go home with a temporary crown or similar piece, follow the dentist’s advice about food and cleaning. Call if it loosens, breaks or becomes sore. The final work having been scanned does not make a damaged temporary safe to leave alone.
A broken tooth, a filling replaced at another office or a bite that suddenly feels different can affect the existing record. The team may need to review it. New pain or swelling should be checked rather than put down to waiting for the lab.
Every restoration or appliance needs to be checked when it is delivered. Ask about fit, bite, comfort and cleaning, and whether adjustments are needed. Digital manufacture does not replace that evaluation, or a follow-up if something later feels wrong.
Ask about the work being planned, the method that suits your situation and what happens after the record is taken. Every answer should link the scan to a real clinical purpose.
From Milton’s historic downtown, call our Bronte Street practice to discuss the restoration or appliance you need and how the impression might be taken. We can explain the records involved and confirm the arrangements for your care. Questions about comfort and timing are welcome.
Please confirm suitability and availability for your treatment. The scanner illustrations on this page are not photographs of clinic equipment.
