Orthodontics in Astana: bite correction in adults

What the orthodontist does

An orthodontist works with the teeth and the bone that surrounds them. A bracket is bonded to the tooth or an aligner is placed over it, force is applied, and the tooth slowly moves in the desired direction. The bone remodels: on one side cells resorb, on the other they are rebuilt. The process takes weeks and months; biology does not tolerate haste. This is how spaces are closed, teeth are rotated, the arch is aligned, and crowding is resolved. It works as long as there is room to move. If the jaw is too narrow or too short, the orthodontist can tip the teeth within the limits of the alveolar process. Sometimes that is enough. Sometimes the tipping only creates the appearance of a straight row, while the bite remains incorrect. The limit is determined by diagnostics: X-rays, models, measurements. No one promises that braces will resolve any situation. Surgical correction of the bite in adults is discussed precisely when moving teeth alone is not enough.

When a surgeon gets involved

A surgeon is needed where the cause lies not in the teeth but in the position of the jaws. The lower jaw may be protruded forward or underdeveloped. The upper jaw may be underdeveloped, narrowed, or tilted. The teeth themselves are straight, but the jaws close incorrectly, and this cannot be fixed with crowns. Orthognathic surgery changes the position of the bone: the jaw is cut along pre-planned lines, shifted, and fixed. An oral and maxillofacial surgeon works together with an orthodontist; they do not act separately. Before surgery, the teeth are aligned in the arch so that after the shift they close correctly. Afterward, the bite is finished. Such an intervention is always planned in advance, based on calculations, not improvised along the way. Sometimes patients come to it not immediately, but after a period of treatment with braces. The timing and scope of the intervention depend on the clinical picture and are decided by the doctor. Sometimes a conservative approach is tried first to see how the tissues respond. If the teeth are already aligned but the bite remains incorrect, surgery is discussed again. The patient should understand: this is not a replacement for orthodontics, but its continuation in another dimension.

Comparison of the Two Approaches

How the decision is made

What a removable plate is

It is an acrylic base that sits on the palate or the lower jaw and is held in place by clasps. Metal springs, inclined planes, and screws are built into it. The screw is periodically tightened — the appliance presses on the tooth and gradually moves it in the desired direction. The plate is removed for eating and brushing teeth, so oral hygiene is simpler than with a fixed system. Correcting the bite with plates in adults runs up against physiology: the bone is already formed, the cranial sutures are closed, and the tooth roots sit firmly. The plate works by tipping the tooth, not by jaw growth as in a child. Hence the difference in goals: in children such an appliance changes the shape and growth of the jaws, in adults only the position of individual teeth. The material and thickness of the base are selected from an impression, and the finished appliance is adjusted as needed based on how it feels.

Limitations in adults

When a plate is still prescribed

Most often it is about small tasks. Tipping one or two teeth, holding the result after braces, preparing space for a prosthesis or implant, or opening a block of teeth in a deep bite. Sometimes the appliance is placed as a retainer — to keep the teeth from returning to their previous position after the main treatment. In adults it also happens that the patient cannot or does not want to wear a fixed system, while the amount of movement needed is small. Then the doctor discusses the removable option and is honest about its limits. The decision here is not a template: whether a plate helps in a particular case depends on the clinical picture — on the condition of the roots, gums, joint, and how many teeth need to be moved. X-rays and impressions show this more accurately than a visual examination.

What is important to understand

A plate does not replace braces or aligners where full control over tooth movement is needed. It is a tool for a narrow task. It must be worn according to the schedule prescribed by the doctor, otherwise the teeth will shift back. Periodic visits are needed to activate the screw and monitor progress: pressure that is too fast or too strong harms the root and gum. You must not tighten the screw or file the base yourself. If after a few weeks pain, tooth mobility, or joint discomfort appears, report it to the doctor rather than enduring it. A removable appliance requires discipline from both the patient and the doctor: only this way can it be tracked whether the tooth is moving in the right direction. With careful adherence to all conditions, the plate solves its small task, but one should not expect it to restructure the entire bite.

How aligners work

Each aligner is a rigid form that sits on the dental arch and presses on specific teeth. The pressure is light but constant. The tooth moves into the planned position, the socket remodels, and after a few weeks the aligner no longer fits — meaning this stage is complete. Then the next one is placed. The entire set is printed in advance from a digital model, so movement is planned before treatment begins. This is convenient for adults: the appliance is removed for eating and cleaning, it is almost invisible on the teeth, and it does not injure the mucosa. But it must be worn at least twenty hours a day. If removed more often, the tooth shifts back, and the stage has to be repeated. Aligners work through precision of fit, not through force. Therefore, in complex skeletal cases their capabilities are limited — here the doctor decides, and the decision depends on the clinical picture. The question of price stands apart: bite surgery and the cost of aligners are different budgets, and they cannot be compared directly.

When aligners are not suitable

What Affects the Outcome

The outcome depends on the initial picture, not on the name of the method. The shape and size of the jaws, the condition of the gums and roots, and age-related changes in bone tissue matter. In adults, bone is denser and remodels more slowly than in adolescents, so the stages stretch out. How accurately the diagnostics are performed also plays a role: impressions, images, digital model. If the model is inaccurate, the aligner fits poorly, and the tooth moves in the wrong direction. Then comes discipline. The aligner is removed for eating and cleaning, and the rest of the time it is on the teeth. Missed hours cannot be compensated for. Another factor is retention. After the active stage, retention is needed: an aligner or a fixed appliance that holds the teeth in place. Without it, relapse is possible. None of these points guarantees a specific timeline — it is determined by the doctor during treatment and by how the tissues respond.

Most frequently asked questions

People ask whether wearing aligners is painful. In the first days, the tooth feels pressure; this is normal. They ask whether they are noticeable. The material is transparent, but up close the aligner can be seen. They ask about speech — in the first hours there is a lisp, then it passes. They ask whether you can eat with aligners in. You cannot: hot and hard foods deform the material. They ask about sports — you can play, but on contact it is better to remove the aligner and wear a mouthguard. They ask what happens if you lose an aligner. A new impression and a new aligner are needed; this means additional time and expense. They ask whether the method is suitable for gum disease. The doctor decides after examination: first the periodontium is treated, then the teeth are moved. Another common question is how much all this costs. The numbers are printed in the page price list, not in the article text. And finally: can surgery be avoided? It depends on the clinical picture, and the orthodontist gives the answer after diagnostics.

What the doctor takes into account

First, the orthodontist looks at the bite and at which teeth need to be moved. Tipping, rotation, and torque are more difficult with clear aligners than with braces. Crowding and a deep bite are not disqualifying on their own, but correction can be labor-intensive. The doctor assesses the periodontium: tooth mobility, gum recession, inflammation. If the gums are unstable, active tooth movement is postponed. Next is hygiene. Removable aligners require cleaning after meals and proper storage; braces require interdental brushes and monitoring of plaque around the brackets. The number of missing teeth and whether orthodontic preparation before implantation is needed are assessed separately. The plan also depends on whether a conservative or surgical approach is chosen, but that is not the deciding factor. An adult may not wear aligners for the required number of hours, and then the method will not work. The doctor asks about this directly. If a person travels frequently and is not prepared to keep to a schedule, braces will be the more honest choice. Conversely, a public-facing job where aesthetics matter shifts the choice toward clear appliances. The final decision always rests with the doctor after an examination and X-rays.

Comparison by characteristics

Types of braces

Can the method be changed during treatment?

Sometimes yes, but it is not a routine decision. Switching from aligners to braces happens if the aligner does not produce the required tooth movement or the patient cannot keep to the wearing schedule. Switching back is also possible, but less common: by the time the teeth are aligned, the removable appliance is no longer needed. The doctor assesses at what stage treatment stopped, how the periodontium responded, and what the state of the occlusion is. Sometimes it is enough to adjust the plan within the same method rather than change it. Changing the method means new impressions, a new appliance, and a revised timeline. The decision is made based on the clinical picture, not on the patient's wishes unilaterally. This should be discussed at an appointment, not over the phone.

Why teeth tend to shift back

Teeth are not held rigidly in their sockets. They are held by a ligament — the periodontal ligament — which connects the root to the bone. When a tooth is moved, the ligament stretches and the bone tissue around it remodels. After the appliance is removed, the ligament fibers continue to pull the tooth back toward its previous position for some time. This is not a treatment error or a relapse caused by the doctor. It is simply biology: time is needed for the new position to become stable. The more complex the original position, the stronger this tendency. In adults, bone is denser and remodels more slowly than in adolescents. That is why retention in adults often takes longer. If there was a distal bite, surgery, or prolonged treatment, the ligaments and muscles take longer to adapt to the new position. The tongue, lips, and cheeks also exert pressure on the teeth. Their habitual pressure persists after the appliance is removed. That is why alignment alone is not enough: a retention phase is needed.

Types of retainers

How long does retention last?

There is no exact timeframe. It depends on the clinical picture: age, initial bite, amount of tooth movement, and gum condition. On average, retention lasts at least as long as the active treatment, and often longer. The doctor sets a wearing schedule and follow-up appointments. At first, the retainer is worn almost constantly. Then the schedule is changed: for example, only at night. You should not reduce wearing time on your own. If the retainer is removed too early, the teeth may shift. Follow-up visits are needed to check how the appliance fits and whether the teeth have moved. Sometimes the retainer is re-bonded or the aligner is replaced. For adults, especially after surgical bite correction, the cost of a mistake is higher: bone remodels more slowly. That is why the doctor selects the wearing schedule and follow-up intervals individually. Do not rely on someone else's experience: for one patient retention takes a year, for another — years.

What happens if retention is skipped

If a retainer is not worn, the teeth gradually return to their previous position. This is called relapse. It may not appear immediately: at first the shift is imperceptible, then a gap appears or the bite changes. Sometimes a few weeks without a retainer are enough for the result to partially disappear. Then treatment has to be started over. Repeat correction is usually more difficult and takes longer. If there was a distal bite or jaw surgery, skipping retention can undo the entire journey. The risk of relapse is higher with crowded teeth, gum disease, or early removal of the appliance. The doctor warns about such risks before treatment begins. Retention is not a formality but part of the protocol. Skipping it is the most common reason for repeat visits. Therefore, the retainer-wearing schedule should be followed as strictly as the treatment itself.

How bite is related to chewing and speech

During chewing, the load passes through the teeth to the periodontal ligament and then to the jawbone. If the bite is off, some teeth bear more than they are designed for. Enamel wears unevenly, gum recession appears, and the necks of the teeth become exposed. The patient does not notice this immediately: sensitivity comes later, when the wear is already visible. With a deep or crossbite, one or two teeth may hit their antagonists and hold the entire height. Then the others do not contact at all, and that is also bad: without load, the bone around them loses density. Speech is affected differently. Teeth are part of the articulatory apparatus. With an open bite, the tongue goes between the teeth, and sibilant sounds are slurred. A speech therapist may work with a child for months, but until the bite is corrected, progress is limited. An adult usually adapts and does not notice the defect. After correction, articulation changes, but the habit of speaking has to be retrained separately.

Temporomandibular joint

The joint connects the lower jaw to the skull. Between the bones lies a cartilage disc that cushions movement. When the bite is off, the head of the jaw shifts in the joint socket. The disc begins to work off-center, on its edge. Over time, this causes clicking, crunching, and a feeling of fullness in the ear. The patient describes it as 'shooting pain in the ear' or 'pulling in the temple.' Pain is not always related to the bite: bruxism, stress, and joint arthritis produce a similar picture. The doctor determines what is primary. Sometimes a night guard or aligner is enough to relieve the load. Sometimes the cause is the bite itself, and then the orthodontist decides whether the teeth can be moved without risk to the joint. In adults, remodeling is slow, and the jaw head does not always settle into a new position without consequences. Therefore, before treatment, joint imaging is done and its condition is assessed. If the disc is already displaced, inflammation and pain are treated first, then orthodontics is planned. The opposite also happens: the joint is fine, but there are complaints. Then another cause is sought.

Risks and complications

What depends on the clinical picture

The prognosis for teeth and joints is not the same for everyone. In one patient, wear progresses over years and is barely noticeable; in another, enamel wears down to dentin within a couple of years. This depends on enamel density, habits, bruxism, and general health. The joint also reacts differently: in some, clicking remains painless; in others, it turns into persistent dysfunction. Age matters: in a teenager, the bone is still growing, and remodeling is easier. In an adult, the skeleton is formed, and not everything can be solved with braces alone. Sometimes orthognathic surgery is needed to return the jaws to the correct position. The indications for it are determined by the doctor based on imaging and the bite. If the joint is already changed, its condition is stabilized first, then the teeth are moved. If the gums are thin, they are strengthened first. The order of stages is decided by the doctor after examination and diagnostics. A specific joint outcome cannot be guaranteed: there are too many factors beyond the orthodontist's control.

Age is not a barrier

Age alone does not close the door to bite correction. The adult skeleton is fully formed, so teeth move more slowly than in a teenager. This is not a prohibition but a condition: planning takes longer, and monitoring is more frequent. Adults often have accompanying conditions: exposed tooth necks, gum recession, worn surfaces, crown defects, and sometimes temporomandibular joint problems. All of this influences the choice of method but does not rule it out. Age-related tissue changes are taken into account when calculating the load. If the periodontium is unstable, the gums are treated first, and only then is tooth movement started. The sequence is decided by the doctor. Sometimes orthodontics alone is enough; sometimes preparation by related specialists is needed. Age is not the first item on this list. Older patients often ask whether it is too late to start. The answer depends on the condition of the tissues, not on the number in a passport.

The method is selected individually

There is no universal method that suits everyone. The choice depends on the clinical picture: how pronounced the jaw discrepancy is, whether there is crowding or spacing, how the teeth are positioned relative to each other, and the condition of the periodontium and joints. Braces give the doctor more control over tooth movement; aligners are less noticeable and are removed during meals. Plates in adults work for a limited range of tasks. Aligners are not the same as retainers: they are worn differently and for different purposes. Sometimes orthodontics alone is not enough, and then surgery is discussed. The decision depends on diagnostics: X-rays, models, and examination. The same diagnosis in two people can lead to different plans. Therefore, comparing someone else's experience with your own is not worthwhile. The method is chosen not by name but by the task.

Retention is mandatory

After braces are removed or aligner wear is completed, teeth do not stay in place on their own. The tissues around them do not rebuild immediately, and without retention the position may change. The retention period is not a formality or an extra precaution. It is part of treatment, without which the achieved result may relapse. The retention format is chosen according to the situation: removable retainers, a fixed wire on the lingual side, or a combination. The duration of wear depends on the initial picture and is determined by the doctor. Some people wear retainers longer, others less. Follow-up visits are scheduled at different frequencies. They should not be skipped: shifting is not noticeable immediately. If a retainer breaks or is lost, the doctor should be informed rather than waiting for a scheduled visit. Retention preserves the work already done.

The Doctor Makes the Decision

The Doctor Makes the Decision