Device for stabilizing the teeth

 

The invention relates to medicine, namely to prosthetic dentistry and can be used to eliminate the mobility of the teeth with periodontal disease. The technical result consists in providing stabilization of mobile teeth, preserving their micromotion in physiological limits and simultaneous normalization of their functions. Device for stabilizing the teeth contains the interdental tab from porous titanium nickelide installed in cavities of teeth on their approximating surfaces. The tab has vnutritrubnyi and nadobny areas. The device also contains a second interdental tab, similar to the first and located mirror-symmetrically with the first opportunity diligence surfaces nazebnych areas. Vnutritrubnyi area is equipped with a G-shaped protrusion for fixing on the occlusal surface, the size and shape corresponding to the cavity made in the tooth. Interdental tabs are located between the movable teeth with diligence to each other and to healthy teeth, limiting defect, taking into consideration the distance between the teeth proterty to each other and fixed on the composite material. 2 Il.

The invention relative to the teeth with periodontal diseases.

For the treatment of periodontal disease, the most common therapeutic interventions that allow elimination of the inflammatory process in periodontal tissues, eliminate topically-active causative factors and to stop the progression of the disease. However, depending on the stage of the pathological process in the periodontium has already happened irreversible changes: partial resorption periodontal tissues, organic changes in the vascular system in combination with a partially restored blood flow (outflow of blood from periodontal difficult). As a consequence, there may be conditions for the development of recurrence. To prevent relapse, and long-term to maintain a state of remission, you must apply splinting medical devices.

Modern principles of orthopedic treatment of periodontal with the use of AIDS and prosthesis permanent use are as follows.

1. To result in functional compliance effect of masticatory muscles and functional endurance of the periodontium to the loads.

2. Be immobilized group or all the teeth of the dentition to eliminate pathological mobility and proximity mobility to physiological norms.

3. Evenly raspredelennym periodontium and to use compensatory capabilities of each tooth of the dentition as a whole.

4. To prevent the overload of teeth.

There is a method of splinting teeth I. M. oksman of a combination of tabbed tires equatorie crowns. The latter is prepared by stamping, insert the tire mold. The first step is the preparation of the tooth under the Equatorial crowns, which pin is stuck to the abutment teeth. Then the crown is removed and in the middle of the occlusal surfaces of the boron or carborundum disk in the anteroposterior direction of the saw through the linear slit width of 1-1,5 mm, then the crown re-imposed and cracks as the template, all splinting the teeth make the preparation of the cavity for the tab. After that the model tab of the wax, remove the impression and get the model. The model is immersed in packaging weight and cast the tab together with the crowns. During casting crowns spaivayut with tab (E. I. Gavrilov, I. M. oksman. Prosthetic dentistry. - M.: Medicine, 1978, page 257).

The disadvantages of the method are the following:

1. The preparation of the teeth under the Equatorial crowns.

2. The need to make the parallelism of the abutment teeth.

3. The presence in the oral cavity of dissimilar metals.

4. The lack of aesthetics.

5. A lot of stages of manufacture.

The known method of immobilization of teeth on author. mon.surface stabilized teeth is cut, at the bottom of which is placed a beam perpendicular to the slits in each tooth cut recess. The surface of the beam structure is covered with a composite material with regard to bite.

The disadvantages of the method:

- Processing of the abutment teeth, leading to loss of enamel layer.

- Difficulty of creating the retention recesses.

- The difficulty of introducing parentheses in the retention recess.

There is a method of splinting, selected as a prototype, including the installation of the interdental tab, made in the form of a prism of porous titanium nickelide configuration approximating parties in the dovetail. Cavities are formed over from the cutting edge to the cervical area of the tooth. Splinting tab from porous titanium nickelide inserted into the grooves of adjacent teeth, prepassivate and fixed on the insulating material from the cavity of the tooth. Is cosmetic prosthesis of trem between shinirovanie teeth with composite. Medical materials and implants with shape memory. Tomsk: Publishing house of Tomsk University., 1998, S. 445-446.

The disadvantages of the prototype

This tab creates a rigid connection or all of the teeth of the jaw, which leads to the functioning of last celyetsa transfer multidirectional chewing load through the contact surfaces of adjacent teeth, instead of rigidly bonded teeth.

Rigidly associated block of the teeth makes it difficult to normalize their function, since in the absence of micromotion in physiological limits, including in the vertical direction, adversely affects the blood vessels and nerve tissue of the periodontium, squeezing them, which, in turn, leads to disruption of tissue trophism.

The objective of the invention is to provide stabilization of mobile teeth, preserving their micromotion in physiological limits, while the normalization of their functions through the establishment of new contact surfaces.

This object is achieved by a device for stabilization of teeth, containing the interdental tab from porous titanium nickelide installed in cavities of teeth on their approximating surfaces. The tab has vnutritrubnyi and nadobny areas. The device also contains a second interdental tab, similar to the first and located mirror-symmetrically with the first contact surfaces nazebnych areas. Areas, which tabs are adjacent to each other, grind in. This allows you to preserve the natural physiological limits mobility of teeth.

Vnutritrubnyi area is equipped with G-obrosniete tooth. Vnutritrubnogo surface area adjacent to the tooth, have an open porous structure. And interdental tabs are located between the movable teeth with diligence to each other and to healthy teeth, limiting defect, taking into consideration the distance between the teeth proterty to each other and fixed on the composite material.

Interdental tabs are made of a porous Nickel-titanium, which has a modulus of elasticity approximately equal to the modulus of elasticity of hard tissue of teeth, and so be more effective in the generated block, stronger is fixed in the cavity of the tooth.

The novelty of the invention consists in the following.

Interdental tabs are installed on the teeth included in the defect, and healthy teeth, limiting defect that allows for a snug fit of the tabs to each other and contact with healthy teeth, limiting defect, to achieve stabilization of the site of the patients teeth and eliminate abnormal mobility, while keeping their micromotion relative to each other.

This is a new contact surface.

The interdental tab has two sections:

- Vnutritrubnyi the area is placed in the cavity of the tooth, is used to secure the tab in the tooth and skladki acts of the tooth and its surface is polished. Nadobny plot allows for the selection of its height to install all the teeth of the defect with a focus and stabilize mobile teeth.

The proposed method is carried out with gentle dissection of the teeth by creating small cavities, usually within enamel.

Contact mobile and healthy teeth, provided their dense diligence due to the form of tabs, create new contact surfaces provides reliable stabilization of the tooth or group of teeth to maintain micromotion, in particular, in the vertical plane, which contributes to the physiological distribution of masticatory loads, prevents recementing tabs, improves trophic tissues of the periodontium and prevent their loosening. Achieved stabilization of teeth in naturally functioning unit, do not impede medical and surgical treatment of gingival pocket, the micromotion in the physiological range.

In Fig.1 shows the preparation of a tooth under the interdental tab and interdental tab of Fig.2 shows the stabilization of the movable and fixed teeth in a single unit.

In Fig.1 shows the interdental tab having nadobny plot 1 and vnutritrubnyi section 2. By protrusion for fixing on the occlusal surface. The surface of the l-shaped protrusion adjacent to the tooth 4, has an open porous structure. The interdental tab is installed in the groove 5 on the tooth 6 and fixed on the composite material.

In Fig.2 shows the teeth with healthy periodontal 7, tab 1, teeth with diseased periodontium 8, 9 with tabs 1 and the tooth with a healthy periodontium 10 without tabs.

The device operates as follows. In diseases of the periodontium set tooth mobility. Contact-approximalely surface adjacent the movable teeth perform within solid tissue cavity, mesio-occlusal (MO) or the distal-occlusal (UP) according to the rules of formation of cavities beneath the tabs. On the front teeth cavities are created on the lingual and approximating surfaces by the same rules. The teeth included in the defect, interdental tab sets with two sides. In healthy teeth form the cavity and establish a single interdental tab from the side of the defect. The cavity is formed with shaped heads or carbide burs vertically in the middle of the tooth, which improves the symmetry of the distribution of masticatory load.

The depth of grooves 2-3 mm, width 2-4 mm, 3-5 mm, depending on the tooth.

The tab is made from a porous is overhasty, adjacent to the tooth vnutritrubnogo plot, carried out after its formation in the mixture of acids (nitric, fluoride-hydrogen, hydrofluoric acid). Determine the height Nasonova plot individually, taking into account the distance between the teeth, and shape it. The contact areas between the teeth tabs carefully grind in that provides, on the one hand, a tight fit and stabilization of mobile teeth, and on the other hand, the micromotion of the teeth. Surface Nasonova plot of polished hygienic reasons. This nasonia lots of tabs adjacent teeth should adjoin to each other.

Making tabs in one visit, as the porous nickelide titanium allows you to make a tab directly by the physician without the involvement of the caster and equipment or to perform on the model in the presence of the patient.

The tab may be made with an exactly defined length, including the length of vnutritrubnoj and nasobny parts. The tab is formed from standard pieces. Billets are produced by spark cutting.

Vnutritrubnoj part of the tab surfaces having a porous structure is fixed by using the composite material in the groove of the tooth.

The proposed device for stabilization of teeth, containing between eduversum their displacement and eliminates abnormal mobility. However, in the generated block due proterty plots nazebnych parts of the tabs remains natural micromotion teeth. It provides better, more even distribution of occlusal loads, as used compensatory capabilities of each tooth of the dentition as a whole, and helps to reduce pressure on the tab and prevents recementing, improves trophic tissues of the periodontium and prevent their loosening. Achieved stabilization of teeth in naturally functioning unit, do not impede medical and surgical treatment of gingival pocket, the micromotion in the physiological range.

Example.

Asked the clinic the patient is 45 years old with complaints mobility 46 45 44 31 32 33 34 35 36 teeth, discomfort when eating, bleeding gums.

Objective: Mobility 46 45 44 31 32 33 34 35 36 teeth I-II degree, determined by the depth of periodontal pockets 4-5 mm In the area of mobile teeth bleeding gums, supra - and subgingival calculus, soft dental deposits. R-gram: in region 46 45 44 31 32 33 34 35 36 teeth visible destruction of interdental septa on1/2root length, pockets of osteoporosis in the bone tissue, uneven is it severity.

Treatment: Professional oral hygiene. Conducted local anti-inflammatory therapy using drugs etiotropic and pathogenetic steps. Conducted stabilization of teeth. 46 45 44 31 32 33 34 35 36 prepared under the tabs. Made tabs depending on the distance between the teeth, tabs proterty to each other and fixed on the composite material. Tabs 46, 44, 31, and 36 teeth proterty to 47 43 41 37 teeth. Conducted by the occlusal alignment of the surface by the electoral presledovaniya teeth. Underwent surgical treatment: patchwork operation Rompiendo.

At the control examination after 3, 6 and 12 months of saved tabs, stabilised teeth sustainable, complaints the patient does not show, was held professional hygiene of the oral cavity. Control occlusal condition of the teeth. Instructions and control the patient's motivation for oral hygiene.

Thus, the proposed device provides:

Elimination of pathological tooth mobility and prevent further development of the pathological process in the periodontium.

The possibility of simultaneous manufacture of tabs on a group of teeth or the entire tooth row.

Carrying out freely therapy disneycharacter stabilised group, as more evenly distribute the load between the teeth formed through the contact areas between the teeth tabs, creating conditions for use of the compensatory capacity of each tooth of the dentition as a whole.

This device is clinically applied in 12 patients.

In all cases, marked improvement, the absence of pathological tooth mobility with poor periodontal and prevent future development of pathological process in the periodontium.

The proposed device for stabilizing the teeth with pathological mobility simple to manufacture and convenient to use. Using this proposed device is achieved minimal preparation of the teeth and still may be possible for medical treatment.

Claims

The device for stabilization of teeth, containing the interdental tab from porous titanium nickelide-nutritonal and nasunin areas, characterized in that it further comprises a second interdental tab, similar to the first and located mirror-symmetrically with contact surfaces nazebnych sites, but it vnutritrubnyi area of each tab is equipped with G-image is disposed between the movable teeth with diligence to each other and healthy teeth limiting defect, taking into consideration the distance between the teeth proterty to each other and fixed on the composite material.

 

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FIELD: medical engineering.

SUBSTANCE: method involves producing an opening of diameter reaching 2 mm with diamond or hard alloy bore in adhesive cover after preparing abutment tooth and prosthesis or widening already available perforation also to diameter of 2 mm. The prosthesis is set on the abutment tooth and place is marked for creating and directing pin-canal in the area of cutting one-third of the frontal abutment tooth or in the lateral abutment tooth equator area. The pin-canal direction is to correspond to path for introducing the prosthesis. The pin is screwed-in with screwdriver and holder to a depth of about 2 mm into dentin. The prosthesis is set on the abutment for making control. The pin is filed-off to adhesive cover layer after having fixed the prosthesis on composition cement.

EFFECT: prolonged service life; high functional value.

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