What Does an Orthodontist Do?

An orthodontist diagnoses and treats problems involving the alignment of teeth and jaws. The goal is to improve how the teeth fit together so a person can bite, chew, speak, and clean their mouth more effectively. Orthodontists use braces, clear aligners, retainers, and other appliances to guide teeth and jaw growth into healthier positions.

What an orthodontist treats

Orthodontists focus on malocclusion, which means the upper and lower teeth do not meet properly. A small amount of irregularity is common, but some alignment problems affect daily function or make oral hygiene difficult. Treatment depends on the cause of the problem and the amount of movement needed.

Crowded teeth are one common reason people see an orthodontist. Crowding occurs when there is not enough room in the mouth for every tooth to fit in a healthy position. Teeth can overlap or rotate. These areas may be harder to brush and floss, which can increase the chance of plaque buildup.

An orthodontist also treats spacing problems. Gaps can appear when teeth are naturally small or when a tooth is missing. A gap can also develop because of the position of the surrounding teeth. Treatment may close the space or preserve it for a future dental restoration.

Bite problems are another major part of orthodontic care. An overbite occurs when the upper front teeth extend too far over the lower teeth. An underbite occurs when the lower teeth sit in front of the upper teeth. A crossbite happens when some upper teeth sit inside the lower teeth when the mouth closes. Each pattern can place uneven pressure on teeth and jaw joints.

How an orthodontist evaluates a patient

The first visit begins with a review of the patient's dental history and concerns. The orthodontist examines the teeth and observes how the jaws move. The evaluation also considers facial growth and the position of the lips.

Records help the orthodontist create a more accurate treatment plan. These records can include photographs, dental impressions, digital scans, and X-rays. Each type of record shows something different. A scan shows the shape and position of the teeth, while an X-ray can reveal roots and developing teeth beneath the gums.

The orthodontist then explains what is causing the alignment problem. In some cases, the issue comes mainly from tooth position. In other cases, the upper and lower jaws have grown in different proportions. This distinction matters because moving teeth alone will not correct every jaw-related problem.

The patient should leave the consultation with a clear explanation of the recommended approach. The orthodontist can discuss the expected result, the estimated treatment stages, and the appliances that might be used. Treatment timing is an estimate because teeth respond at different rates.

How orthodontic treatment moves teeth

Orthodontic appliances apply gentle, controlled force over time. That force causes the bone around a tooth to change gradually. Bone is removed in one area and formed in another as the tooth moves through the jaw. This process is why orthodontic treatment cannot safely reposition teeth overnight.

Braces use brackets attached to the teeth and an archwire that connects them. The wire provides the force that guides tooth movement. Small adjustments change the direction or amount of pressure. Some patients also need elastic bands to improve the relationship between the upper and lower teeth.

Clear aligners use a series of removable trays. Each tray is shaped to move the teeth a small amount. The next tray continues the process until the planned alignment is reached. Aligners can be convenient because they can be removed for meals and cleaning. They still require consistent wear to work as planned.

Other appliances can guide jaw growth or change the position of specific teeth. A palatal expander can widen the upper jaw in a growing patient when the upper arch is too narrow. Space maintainers can hold room for permanent teeth after the early loss of a baby tooth. The orthodontist selects an appliance based on the problem rather than appearance alone.

What happens during treatment

Orthodontic treatment usually involves regular appointments. At these visits, the orthodontist checks how the teeth are responding and makes needed adjustments. The schedule depends on the appliance and the stage of treatment.

Appointments are not only about tightening braces. The orthodontist looks for unwanted movement and checks whether the bite is improving. If a wire irritates the cheek or an aligner no longer fits correctly, the problem can be addressed before it affects progress.

Patients also receive instructions for home care. Braces create extra areas where food and plaque can collect. Cleaning around brackets takes patience because a regular toothbrush alone may not reach every surface. An orthodontist or dental hygienist can demonstrate tools and methods that make cleaning easier.

Diet can matter during treatment with fixed braces. Hard or sticky foods can damage brackets and wires. A broken appliance can delay progress if the tooth cannot receive the intended force. Patients with clear aligners must remove the trays for eating and brush before putting them back in.

Why retainers are needed after treatment

Retainers help keep teeth in their new positions after active treatment ends. Teeth are surrounded by living bone and supporting tissues. Those tissues need time to adjust to the new alignment. Without retention, teeth can gradually shift toward their earlier positions.

A retainer may be removable or fixed behind the teeth. The orthodontist explains how often it should be worn. Many people wear a retainer at night after the initial retention period. The exact schedule depends on the patient's teeth and the stability of the result.

Retainers need care and regular attention. A removable retainer can be lost or damaged. A fixed retainer can collect plaque if it is not cleaned carefully. If a retainer feels tight or no longer fits, the patient should contact the orthodontist instead of forcing it into place.

When should someone see an orthodontist?

Children can benefit from an orthodontic evaluation while their teeth and jaws are still developing. An evaluation does not always mean treatment must begin immediately. The orthodontist may recommend monitoring growth and waiting for a more suitable stage.

Early assessment can reveal problems that become harder to manage later. A narrow upper jaw or a tooth that lacks space may respond better while the facial bones are still growing. Early care can sometimes reduce the complexity of later treatment, though it does not eliminate the need for braces in every case.

Adults can also receive orthodontic treatment. Teeth can move at any age when the gums and supporting bone are healthy. Adults may seek care because of crowding, changes in their bite, or a desire to improve dental function and appearance.

A general dentist may recommend an orthodontic consultation when a bite problem becomes noticeable. A person can also schedule an evaluation if teeth are difficult to clean or if the jaw feels strained during chewing. Pain does not always indicate an orthodontic problem, so persistent discomfort should also be assessed by a dentist.

How an orthodontist differs from a dentist

A dentist provides broad oral health care. This includes examining the mouth, treating cavities, managing gum disease, and checking for other dental concerns. Dentists also help patients maintain healthy teeth through preventive care.

An orthodontist is a dentist who completes additional education focused on tooth movement and jaw development. The orthodontist concentrates on alignment and bite relationships. The two professionals often work together because healthy gums and teeth provide the foundation for orthodontic treatment.

For example, a patient may need a cavity treated before braces are placed. Active gum disease may also need attention before teeth are moved. Moving teeth through unhealthy supporting tissue can create unnecessary risks, so coordination between the dentist and orthodontist is important.

What orthodontic treatment can and cannot do

Orthodontic treatment can improve the position of teeth and create a more balanced bite. Better alignment can make brushing and flossing more manageable. It can also reduce uneven contact that causes some teeth to wear faster than others.

Orthodontic care does not replace daily dental hygiene. Braces or aligners cannot prevent cavities if plaque remains on the teeth. Regular dental visits remain necessary during treatment because the orthodontist and general dentist address different parts of oral health.

Orthodontic treatment also has limits. Tooth movement cannot correct every difference in jaw size after growth has finished. In a severe case, an orthodontist may discuss treatment that combines braces with jaw surgery. That decision depends on the patient's health, goals, and facial structure.

Results can also change if a patient does not follow instructions. Poor aligner wear can extend treatment. Missed appointments can delay adjustments. Failure to wear retainers can allow teeth to shift after the braces or aligners are removed.

What to expect from the experience

Most orthodontic treatment involves an adjustment period. Teeth may feel tender after an appliance is placed or adjusted. This discomfort is usually temporary because the supporting tissues are responding to pressure. The orthodontist can explain what is normal and what should be reported.

Patients should contact the office if a bracket comes loose or a wire causes significant irritation. They should also report swelling, severe pain, or an appliance that prevents normal biting. Prompt advice can prevent a minor problem from disrupting treatment.

The length of treatment varies from one person to another. The starting alignment affects the plan. Growth stage and cooperation also influence progress. A person who follows cleaning and appliance instructions gives the treatment a better chance to stay on schedule.

An orthodontist's work therefore extends beyond placing braces. The orthodontist studies how the teeth and jaws fit together, selects a method that matches the patient's needs, and monitors each stage of movement. After active treatment ends, retention helps protect the result. The central purpose is a healthier and more functional bite that the patient can maintain over time.