Intraoral Scanner

A Detailed Digital View of Your Teeth and Bite

Orthodontic planning begins with an accurate understanding of how the teeth are shaped, positioned, and aligned within each dental arch. A visual examination provides valuable information, but a three-dimensional model often helps your orthodontist plan braces, clear aligners, retainers, or other orthodontic appliances with greater precision.

At Live Oak Orthodontics, an intraoral scanner creates a precise digital record of the visible tooth and gum surfaces without relying on traditional impression trays filled with impression material. The resulting digital model can be enlarged, rotated, measured, and reviewed from several angles.

Patients seeking an intraoral scanner in San Antonio often want a less messy way to complete their orthodontic records. Digital scanning can be especially helpful for someone with a sensitive gag reflex or a previous unpleasant experience with impression trays.

What Is an Intraoral Scanner?

An intraoral scanner is a handheld optical device used to record the visible surfaces inside the mouth. As the wand passes over the teeth and nearby gum tissue, it captures a sequence of images. Software combines those images to create a three-dimensional representation of the upper arch, lower arch, and bite.

The model may show:

individual tooth contours;
crowding and spacing;
rotations and alignment;
dental arch shape;
contact between opposing teeth;
visible gum margins;
changes recorded at separate appointments.

The scanner does not use ionizing radiation to create this surface model. It is also not a substitute for an X-ray or CBCT scan. Radiographs may still be needed to examine tooth roots, supporting bone, jaw relationships, impacted teeth, or structures beneath the gums.

Why Might Your Orthodontist Recommend a Scan?

Your orthodontist may recommend a scan to create an accurate digital model for diagnosis, appliance planning, laboratory communication, or future comparisons.

Common reasons include:

evaluating crowding or excess spacing;
recording how the upper and lower teeth meet;
planning clear aligner treatment;
preparing records before braces;
designing retainers or selected appliances;
replacing a lost or damaged retainer;
assessing changes during treatment;
creating a final model after active care.

A scan is one part of the diagnostic process. Treatment decisions are also based on your health history, clinical examination, photographs, growth pattern, bite, treatment goals, and radiographs when clinically indicated.

How a Digital Intraoral Impression Is Taken

During a digital intraoral impression in 78247, the clinician passes the handheld scanning wand over each area of the teeth to capture the chewing and surrounding surfaces. The upper and lower arches are recorded separately. You will then close your teeth together while the device captures the bite relationship.

The developing model appears on a screen as the scan progresses. If part of a tooth is missing or unclear, the clinician can usually return to that specific location rather than repeat the entire record.

You may be asked to:

open slightly wider;
turn your head;
move your tongue;
bite in your usual position;
pause while an area is checked;
swallow before scanning continues.

The wand may touch a tooth or gently stretch the cheek while capturing posterior areas, but it does not cut, drill, or reshape the dental structure.

What Information Does the Digital Model Provide?

A complete model allows the orthodontist to inspect the dental arches from viewpoints that are difficult to see directly during an examination. Measurements can be taken between selected points to evaluate available space, tooth width, arch dimensions, overbite, overjet, and other clinically relevant relationships.

Research indicates that digital models produced by the intraoral scanners evaluated in published studies can provide reliable measurements for many orthodontic applications. Accuracy is not identical in every situation, however. Scanner design, operator technique, moisture, limited access, reflective surfaces, movement, and the length of the recorded area may affect image quality.

For that reason, the clinician reviews the completed model before relying on it for diagnosis or appliance fabrication.

iTero Digital Scanner in Live Oak, TX

An iTero digital scanner in Live Oak, TX, can support several parts of an orthodontic workflow, including digital impressions, bite registration, model measurements, laboratory communication, and selected clear aligner records.

The system captures the visible shape of each crown rather than the root beneath it. Once the arches and bite have been recorded, compatible software may allow the orthodontist to inspect spacing, alignment, arch dimensions, and occlusal relationships on screen.

Depending on the system configuration and treatment being planned, scan files may support:

clear aligner submissions;
digital study models;
orthodontic measurements;
retainer fabrication;
appliance laboratory orders;
progress comparisons;
communication during consultations.

Not every software feature is necessary for every patient. The orthodontist selects the records and tools relevant to the clinical question being evaluated.

How Scanning Supports Clear Aligner Planning

Clear aligners must fit closely around the teeth, so treatment begins with a detailed record of tooth contours and bite relationships. The digital model provides the surface information used to prepare a proposed sequence of aligners.

Before recommending treatment, the orthodontist evaluates whether aligners are appropriate for the patient’s bite, tooth movement needs, oral health, and ability to follow the prescribed wear schedule.

The scan may help with:

recording the initial position of each tooth;
planning staged movement;
identifying potential attachment locations;
communicating a prescription to the aligner provider;
ordering additional aligners when refinement is appropriate;
preparing retainers after active treatment.

Any computer-generated preview is an estimate used for planning and discussion. It does not guarantee that teeth will move exactly as displayed. Biological response, treatment complexity, aligner wear, oral health, and follow-up care can all influence progress.

Does an Intraoral Scanner Help With Braces?

Yes. Braces are attached directly to the teeth, but a digital model can still provide valuable information before, during, or after treatment.

The orthodontist may use the record to study:

tooth rotations;
crowding or spacing;
arch symmetry;
bite contacts;
available room for alignment;
appliance requirements;
changes between appointments.

A scan may also support retainers, expanders, indirect bonding workflows, or other custom devices when the selected laboratory and software are compatible.

The digital model supports treatment planning, but decisions about bracket placement, wire sequence, treatment timing, and force application rely on your orthodontist’s clinical judgment. Those decisions require clinical judgment and continued observation of how the teeth and supporting tissues respond.

Digital Scanning Compared With Putty Impressions

Traditional impressions are made by placing a soft material into a fitted tray and holding it over the teeth until the material sets. Once removed, the impression can be poured to produce a physical model.

Conventional impressions remain useful in some situations, but many patients prefer scanning because there is no tray filled with setting material.

A digital approach may provide:

immediate on-screen review;
electronic storage;
the ability to recapture a small area;
convenient retrieval for comparison;
efficient transfer to a compatible laboratory;
fewer physical models to store;
an alternative for patients who struggle with impression material.

Scanning is not automatically superior for every clinical purpose. Restricted mouth opening, moisture, tongue movement, difficult posterior access, reflective restorations, or a laboratory’s requirements may affect which method is most appropriate.

Can a Scan Replace Orthodontic X-Rays?

No. The two records answer different clinical questions.

An intraoral scan records visible external surfaces. It can show crown shape, alignment, spacing, dental arches, and how the bite closes.

An orthodontic radiograph may show:

roots;
supporting bone;
unerupted teeth;
impacted teeth;
jaw growth and relationships;
structures beneath the gumline.

Your orthodontist determines which records are needed after considering the examination findings, age, growth, treatment history, and proposed care. A surface scan does not remove the need for radiographs when information below the visible tooth surface is clinically necessary.

Reviewing the Scan With Your Orthodontist

One practical advantage of a digital model is that it can be viewed during the appointment. Enlarging or rotating the image may make it easier to see crowding, spacing, tooth rotations, arch shape, and bite relationships.

This visual discussion can help patients and parents understand:

what the examination revealed;
why treatment may be recommended;
which areas require movement;
how braces and aligners differ;
where an appliance may be needed;
what the proposed treatment is intended to accomplish.

The image supports communication, but recommendations remain based on the complete clinical assessment rather than the model alone.

What Can Affect Scan Quality?

A reliable model depends on complete surface capture and an accurate bite registration. Several factors can make scanning more challenging, including:

saliva covering tooth surfaces;
tongue or cheek movement;
limited mouth opening;
access to back teeth;
highly reflective restorations;
missing scan data;
movement while the bite is recorded;
braces or other existing appliances.

If the software identifies an incomplete area, the clinician may dry the surface, adjust the wand angle, or capture that section again. Reviewing the image before finishing the appointment helps identify missing details while the patient is still present.

Finding an Orthodontist With an Intraoral Scanner Near You

Someone searching for an “orthodontist with an intraoral scanner near me” may be looking for a cleaner records process, but the device itself should not be the only consideration.

The quality of orthodontic care also depends on:

a thorough diagnosis;
appropriate record selection;
realistic treatment goals;
professional interpretation;
monitoring throughout care;
clear communication;
a retention plan after treatment.

Digital technology is most useful when it answers a defined clinical question and supports a treatment plan based on the patient’s anatomy, bite, growth, and oral health.

Frequently Asked Questions

Does an intraoral scan hurt?

The scan does not drill, cut, or alter the teeth. You may feel light contact from the wand or gentle pressure as the cheek is moved to reach the back teeth. Individual comfort varies according to mouth size, sensitivity, gag reflex, and the areas being recorded.

Does the scanner use radiation?

No. An intraoral scanner uses optical imaging to create a surface model and does not expose the patient to ionizing radiation. Separate dental radiographs may still be recommended for information the surface scan cannot provide.

How should I prepare for the appointment?

No special preparation is usually required. Brush and floss beforehand when possible, and tell the team if you have a strong gag reflex, jaw discomfort, sensitive teeth, or difficulty keeping your mouth open.

Can scanning be paused?

Yes. The clinician can usually pause during the process and continue when you are ready. A specific area may also be recorded again if more detail is needed.

Can a scan be used for Invisalign treatment?

A compatible digital scan may be used to prepare records for Invisalign or another clear aligner system. The orthodontist must still determine whether aligner therapy is appropriate after completing the clinical evaluation.

Can the same scan be used to make a retainer?

A scan may support retainer fabrication when it accurately represents the current tooth positions and is compatible with the selected laboratory workflow. A new record may be necessary if the teeth have moved since the earlier scan.

Will I need more than one scan?

Additional scans may be recommended to document progress, order refined aligners, replace an appliance, or create a final retainer. The reason depends on your treatment plan and how the bite changes over time.

Medical References

Aragón MLC, Pontes LF, Bichara LM, Flores-Mir C, Normando D. Validity and reliability of intraoral scanners compared with conventional gypsum model measurements: a systematic review. European Journal of Orthodontics. 2016;38(4):429–434.

Abduo J, Elseyoufi M. Accuracy of intraoral scanners: a systematic review of influencing factors. European Journal of Prosthodontics and Restorative Dentistry. 2018;26(3):101–121.

Sfondrini MF, Gandini P, Malfatto M, Di Corato F, Trovati F, Scribante A. Computerized casts for orthodontic purposes using powder-free intraoral scanners: accuracy, execution time, and patient feedback. BioMed Research International. 2018;2018:4103232.

American Association of Orthodontists Committee on Technology. Intraoral Scanners: Evaluation Criteria. AAO TechSelect.

Proffit WR, Fields HW, Larson B, Sarver DM. Contemporary Orthodontics. Elsevier.