Herbst apparatus: its design, installation and principle of operation

Many patients, when they come to the orthodontist, are determined to receive treatment with braces. But sometimes additional influence is required. One example of such treatment is the non-removable Herbst appliance.

The Herbst appliance helps in eliminating malocclusions. Often the device is effective for distal occlusion defects (incorrect contact of the upper and lower teeth). A distal defect means that the upper row of teeth moves significantly forward in relation to the lower ones. All this is observed with the jaws closed.

Elimination of this defect is necessary not only for physiological reasons (impaired chewing, breathing or speech). Distal bite: protrusion of the upper jaw, curvature of the chin, thinness of the lips. Correction of the bite is accomplished by installing an orthodontic structure.

Features of the Herbst apparatus

reliability of fixation, which is ensured by two hinges and steel rings;
the structure is fixed on the supporting teeth;
getting used to the device occurs in a short time;
The seemingly massive device does not actually prevent a person from speaking and eating;
treatment does not require diet;
with the help of this device you can correct complex bite defects in just a year;
changes in the patient’s profile occur immediately after installation of the structure;
high cost of treatment;
The probability of failure is very low, usually it is minor damage.

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pediatric dentistry, orthodontics, topic articles: Herbst apparatus, distal bite, bite correction, face bow, face mask, mesial bite, microimplants, palatal clasp, palatal expander

Advantages

The Herbst apparatus is not used in dentistry as often as before. Today, doctors offer simplified, cheaper designs, but this device has a number of advantages:

strength and reliability;
the device rests on the lateral teeth, so it is not noticeable during communication;
the result is noticeable almost immediately after installing the device;
continuous impact on the jaw significantly reduces the time to correct the defect;
the ability to accurately predict the result;
you don’t need to get used to the device for a long time with pain and discomfort;
the patient can eat any food, the device will not become dirty;
the device successfully treats jaw defects that provoke (or were provoked by) respiratory tract diseases;
The device can be combined with any braces;
in children under 17 years of age, it can replace surgical correction and treatment with a face bow;
It is possible to install the device if there are problems with the enamel.

You know why you endure temporary inconvenience!

The devices we talked about today complicate the life of a person wearing braces, but if you follow the doctor’s recommendations, you don’t need to wear additional devices for very long.

In conclusion of the article, we would like to draw the attention of young parents to the importance of preventing defects of the dental system in children and the timely initiation of orthodontic treatment.

By following the recommendations of orthodontists, you can avoid the use of corrective equipment in adulthood. You will find out what these recommendations are by reading the article A beautiful smile of a child is the care of loving parents.

Orthodontists at NORD DENTAL clinics are ready to work hard and make your smile beautiful!

Types of devices and design elements

The Herbst apparatus is a complex structure. Most of the parts of the device are made of medical alloy, which prevents allergic reactions and damage to the device.

Components:

crowns for support, which are placed on the side teeth;
hinged beams (2 pcs.) of a telescopic design, which allows you to open your mouth;
metal rings for securing the ends of the beams to the crowns;
curved metal arches (sometimes required for increased stability of crowns).

Types of Herbst apparatus:

Classical. It is only attached to artificial metal crowns.
Optimal. Attached to the arch of the bracket system and to the crowns. Allows you to simultaneously correct the bite and correct the dentition.
Plastic base. The installation of such a structure depends on the initial condition of the teeth. Partial and full basis possible. The design is recommended for people with complete or partial absence of teeth (edentia).

Indications

The main indication for installation is distal class 1 occlusion according to Angle. The design helps to extend the movable lower jaw and fix it. Often, treatment with the Herbst apparatus is combined with the installation of a brace system.

The Herbst apparatus can be used not only for the correction of orthodontic defects that have developed from underdevelopment of the lower jaw and excessive growth of the upper jaw. Sometimes the design is used to treat orthopedic problems, in combination with other devices.

More than 50 examples of successful correction of distal occlusion from Dial-Dent specialists

In the practice of Dial-Dent orthodontists, there are many successful examples of correcting distal occlusion using the Herbst apparatus. In some cases, the Herbst apparatus has become an excellent alternative to surgical correction of the bite. The list below represents just a few of the works.

Bite correction: lingual braces + Herbst apparatus (Incognito braces)
An alternative to surgical correction of the bite (Incognito braces)
Complex orthodontic treatment (Incognito braces and Herbst apparatus)
Bite correction using the Herbst apparatus (Damon braces)
Herbst apparatus for correcting deep bite (Damon braces)

An orthodontist will be able to answer all questions about correcting your bite during a face-to-face consultation. Each case is unique, so each patient is given an individual treatment plan. At Family Dentistry, orthodontists work with various equipment, which allows them to choose the most effective and convenient way for the patient to correct the bite.

The clinic has related specialists who will help if it is necessary to treat, remove or replace teeth. Professional dental hygiene is carried out, including hygiene with braces, which helps maintain the health of teeth and gums during orthodontic treatment.

Make an appointment by phone +7-499-110-18-02 or through the form on the website. You can ask questions about correcting your bite to the chief doctor of the clinic, Sergei Vladimirovich Tsukor, at

Operating principle

The visual result is observed immediately after installation of the device. With constant tension, the lower jaw moves forward. During treatment, the ligaments and muscles of the jaw are stretched, which allows the mandibular joint to be correctly installed.

The effectiveness and surgical treatment is ensured through continuous exposure to the dentition. Within a short time after installation, the facial profile becomes more natural and harmonious. Similar designs are considered to be the Sabbath and Forsus springs.

Preparing for installation

First, the doctor examines the oral cavity in detail. It is necessary to check the integrity and health of all teeth, especially molars. Preparation for installation consists of treating all teeth, replacing old fillings, and sanitizing the dentition.

Also during this period, the degree of the occlusion defect is assessed, impressions are taken, which are then sent to the laboratory.

Stages of treatment

Preparation. At this stage, the oral cavity is sanitized and caries is prevented. Sometimes surgical preparation of the cavity for installation of the Herbst apparatus is required. This could be plastic surgery of the labial frenulum, the vestibule of the mouth, or tooth extraction. Additional measures at this stage: consultations with a speech therapist, myogymnastic exercises for the muscles of the mouth and lower jaw, normalization of breathing. Doctors strongly advise getting rid of bad habits.
Correction. Some patients require alignment of dental arches and correction of jaw position. It is recommended to use removable orthodontic appliances: with springs, to expand the arches.
Installation. The Herbst appliance can be combined with other orthodontic devices.
Treatment. Alignment of teeth in both jaws. Retainers allow you to consolidate the result immediately after removing the device. At this stage, it is necessary to achieve tight fissure-tubercle contact (tooth relief).
Consolidation. Stabilization of the bite is carried out thanks to the correct position of the tongue, muscle functionality, and nasal breathing. To ensure tight jaw contact, removable and non-removable retainers and elastopositioners (special silicone mouthguard) are used.

Fit

Crown preparation. The sixth tooth is treated on the upper jaw, and the fourth molar on the lower jaw. The procedure is carried out under local anesthesia: 2 mm are removed from the upper surface of the enamel, and 1.5 mm from the sides. This is necessary to ensure that the crown is fixed and does not interfere. Finally, the teeth are treated with a product that increases the porosity of the enamel (phosphoric acids). A substance is also applied that promotes adhesion (bonding of the tooth and crown).
Installation of crowns. Crowns are placed on the treated molars. For this, high-strength cement or composite is used. Power rods and bushings are secured using bandage rings and C-clamps. If the Herbst apparatus is attached to a bracket system, then first the structure is attached to the arch with special centers. The centers have gaps that allow them to catch on the arc, then the rods are attached to them with mini-screws. The centers should be located near the supporting teeth (on the upper jaw between 5 and 6, on the lower jaw 3-4).
Correction of bushings and rods. The structure is inspected immediately after the procedure and regularly during treatment. If necessary, you can shorten them. It is necessary to maintain a balance: short rods slip out of the bushings, and long rods injure the mucous membrane.

Wearing rules

exclude strong mechanical impact;
watch the C-shaped clamps (if deformed, consult a doctor);
monitor the traction (partial and complete flight can cause severe injury to soft tissues and the larynx).

Functional

By function, such devices can be divided into:

Distalizing
. If the baby tooth was removed too early, and the permanent one managed to move forward and take its place, so-called “distalization” is required - moving the tooth back. As a result of this process, we are able to create space for all the permanent teeth without resorting to permanent tooth extraction or separation. For distalization, devices such as Pendulum, Pendex, Distal Jet, etc. are used.
Expanding
. Expansion during the period of primary and mixed dentition occurs as efficiently as possible - since the impact extends not only to the teeth, but also to the jaw itself (a skeletal effect is achieved). At the age of 6-11 years (and sometimes later), the maturation of the bone sutures has not yet been completed and this age is considered the most favorable for obtaining true expansion of the upper jaw.

Using retainers

The duration of treatment depends on the patient's age and the degree of the defect. Often this is 3-6 months with regular orthodontic consultations. Wearing the device for six months allows you to correct complex jaw deformities in children under 15 years of age.

Since the device is aimed at treating complex defects that can only be corrected by surgery, retention is very important. The quick effect of wearing the device is not final. After removing the system, you need to consolidate the results.

Dentists use special devices to keep the jaws straight, called retainers. Wearing retainers prevents teeth from returning to their original position.

After braces, retainers are indicated for several hours a day. After the Herbst apparatus, additional fixation is required for 20 hours a day. This is why permanent retainers are recommended. They are invisible during conversation, but provide fixation of the dentition.

On average, retainers are worn for another 2 years after the device. Sometimes patients have to wear retainers for the rest of their lives. During this period, the muscles and ligaments in the joint are strengthened, and functional adaptation occurs.

Orthodontists offer different retainers to choose from. The most popular are removable transparent aligners or non-removable systems that are attached to the inside of the teeth. The orthodontist can also recommend an LM activator. This is a special type of trainer - a removable silicone device for eliminating dental defects. It must be worn several hours a day and while sleeping.

Orthodontic dentistry

Name of service	Price
Consultation with an orthodontist	1100 ₽
Diagnostic visit to an orthodontist with drawing up a treatment plan	4800 ₽
Production of control diagnostic models	2200 ₽
Single jaw orthodontic plate	17600 ₽
Double-jaw orthodontic appliance	25300 ₽
Orthodontic trainer	18900 ₽
Palatal expansion device	30800 ₽
Metal bracket system	38500 ₽
Sapphire bracket system	60500 ₽
Damon Q bracket system	71500 ₽
Damon Clear bracket system	77000 ₽
Activation of the bracket system (1 jaw)	3300 ₽
Removing the bracket system from one jaw	from 4750 ₽
Retainer installation	5600 ₽
Diagnostics of treatment using StarSmile aligners Diagnostics includes: taking impressions of the jaws, photo protocol, image analysis (CT and TRG), treatment planning, building a computer model (Setup model) of the final result. You can learn about correcting your bite with orthodontic aligners in the article “You don’t need braces if aligners help!”	11000 ₽
Treatment with aligners. Correction of “light” defects (5-10 drops)	125000 ₽
Treatment with aligners. Correction of “medium” defects (11-20 caps)	255000 ₽
Treatment with aligners. Correction of “complex” defects (more than 21 caps)	315000 ₽
Re-making the mouthguard	10000 ₽

Cost of the device and patient opinions

The price depends on the type of construction. The minimum cost of a template apparatus with four crowns and rods is 4,500 rubles. Treatment does not include tooth preparation or traction correction. A device with a base and additional elements (for example, springs) costs from 15,000 to 30,000 rubles.

According to patients, the Herbst apparatus is the optimal treatment for complex jaw defects. This treatment gives guarantees and in most cases implements them. The undeniable advantages of the device are the short treatment period and good results. Even in the 21st century, this is one of the best devices for eliminating jaw defects.

Sources used:

Stancker TG et al. alocclusion influence on balance and posture: a systematic review // Manual Therapy, Posturology & Rehabilitation Journal
Kurlyandsky V. Yu. Orthopedic dentistry. — 4th, corrected. - M.: Medicine, 1977.
Official website of the Russian Dental Association