Aligners for teeth straightening
Invisible to use
Contraindications to the use of aligners
- Complex orthodontic problems requiring more intensive correction
- Presence of prosthetics or bridges that may interfere with proper fit and function
- Poor oral hygiene or gum disease
- Childhood, when teeth and jaws are not yet fully formed
Indications for using aligners
Use is recommended for the following conditions:
- Improper bite
- Crowding
- Presence of dental gaps (diastema)
- Crossbite
- Protruding teeth
- Slight alignment issues
- The need for correction after tooth displacement resulting from previous orthodontic treatment
- Desire for discreet bite correction
Dental aligners are ideal for people seeking an aesthetically acceptable and comfortable way to correct their bite, especially for adults and adolescents who care about their appearance during treatment.
It is important to consult with an orthodontist to determine whether this method is appropriate, taking into account your individual characteristics and wishes.
Types of aligners and their features
These are modern orthodontic devices. They differ in several key ways.
Manufacturing method
Materials
Different brands use unique materials to produce dental liners. These are usually thermoplastic materials such as vinyl acetate, nylon, silicone or polyurethane. Important characteristics of these materials are biocompatibility, hypoallergenicity and durability, which makes the mouth guards safe and effective for long-term use.
Mouthguards for children and adults may differ in both size and material. Children's ones are made from softer materials, taking into account the peculiarities of the development of a child's jaw and teeth.
Popular aligner brands
There are several leading brands, each of which is notable for its features. Invisalign, an American brand and pioneer in this field, has made a name for itself thanks to its innovative SmartTrack material. A special feature of this material is its ability to maintain transparency and shape throughout the entire period of wear, which makes Invisalign aligners especially popular among patients.
OrthoSnap, another American brand, actively cooperates with Russian clinics. It differs from other manufacturers in that it offers the possibility of making mouth guards based on conventional impressions. This makes OrthoSnap products more affordable, although it slightly increases overall production time.
Invisible All In, an Italian company, stands out in the market due to its environmental friendliness. They are made from a polymer that does not contain bisphenol and phthalates, which makes them safe for health. In addition, these mouthguards are highly soft and thin, providing incredible wearing comfort.
Star Smile, a Russian manufacturer, is popular both in the domestic market and abroad. The aligners of this brand are comfortable to wear and suitable for people of different age groups. However, they may be somewhat less durable compared to their foreign counterparts, which is worth considering when choosing the appropriate option.
Steps to correct your bite using aligners
The process of occlusion correction using aligners includes several important stages, each of which plays a key role in achieving the desired result.
Step 1: Diagnostic stage. At the beginning of treatment, the orthodontist conducts a comprehensive examination of the patient, makes a 3D scan of the dental system and determines the goals of therapy. At this stage, the type is selected and the expected duration of treatment is calculated. This step is important as it sets the direction for all subsequent treatment.
Step 2: Preparatory stage. At this step, an accurate 3D model of the patient’s dental system is created. It is sent to the laboratory to produce personalized options from high-quality polymer materials. At the same time, the orthodontist is engaged in sanitation of the oral cavity and, if necessary, treatment of gum diseases, which ensures the safety and effectiveness of treatment.
Step 3: Active tooth movement stage. This stage begins immediately after the patient begins wearing the aligners. Under the influence of the system, teeth begin to actively move at a speed of approximately 2 mm every 2-4 weeks. The duration of this process varies from 12 weeks to a year depending on the complexity of the case.
Step 4: Formation of occlusion. This stage goes in parallel with the active movement of teeth, but special attention is paid to the formation of a correct bite after eliminating deficiencies. The main emphasis is on the details of the bite, such as the symmetrical closure of the dentition and their correct overlap.
Step 5: Consolidate the result. After visible improvements in the bite are achieved, the aligners are continued to be worn to strengthen the new alignment of the teeth and jaws. Patients gradually reduce the time they wear them, moving to using them only at night.
Step 6: Applying retainers. Once the active phase of treatment is complete, the orthodontist may recommend wearing retainers. These orthodontic devices help maintain teeth in correct position and are an important element in maintaining treatment results.
The total duration of treatment after installing dental trays can range from 8 months to 2 years, depending on the complexity of the pathology and the individual characteristics of the patient.
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The mechanism of operation of aligners in the process of correcting a bite
This is an advanced method of correcting malocclusion, which is based on the application of consistent and gentle pressure on the teeth to gradually and controlledly shift them. The whole process is divided into several main stages, during which the teeth gradually take the desired position.
At the beginning of treatment, from the first day of using the aligners, the teeth are subjected to targeted pressure. It stimulates the gradual resorption of bone tissue in the direction in which the movement is directed, and at the same time promotes the formation of new bone tissue on the reverse side. In the initial treatment phase, which lasts from 12 to 52 weeks, teeth may move 1–2 mm in the first two weeks. This duration depends on the level of complexity of each specific case.
Next comes the stage of forming the correct occlusion. When the teeth approach the optimal location, the process of correcting the closure of the dentition begins. They help correct asymmetry and achieve the required overlap of the upper teeth with the lower ones by one third. The active phase of this stage lasts from 16 to 24 weeks, and the total duration can range from 8 to 32 weeks.
The final stage of treatment is to stabilize the teeth in their new position. At this stage, they almost do not move; the bone tissue around the roots is strengthened, which is important for maintaining the achieved results. The duration of this period varies depending on the individual characteristics of the patient.
Thanks to the use of aligners, the doctor can plan the entire treatment process in advance, ensuring accuracy and predictability of the outcome. Patients can see the expected results already at the first consultation after scanning their teeth.