WO2007054370A1 - Obturationsvorrichtung zur verblockung einer apikalen öffnung eines wurzelkanals eines zahnes - Google Patents
Obturationsvorrichtung zur verblockung einer apikalen öffnung eines wurzelkanals eines zahnes Download PDFInfo
- Publication number
- WO2007054370A1 WO2007054370A1 PCT/EP2006/010920 EP2006010920W WO2007054370A1 WO 2007054370 A1 WO2007054370 A1 WO 2007054370A1 EP 2006010920 W EP2006010920 W EP 2006010920W WO 2007054370 A1 WO2007054370 A1 WO 2007054370A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- obturationsvorrichtung
- applicator
- obturation
- plug
- root canal
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
- A61C5/62—Applicators, e.g. syringes or guns
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/50—Implements for filling root canals; Methods or instruments for medication of tooth nerve channels
Definitions
- Obturation device for blocking an apical opening of a root canal of a tooth
- Root canal treatment requires sterile root canal preparation and, ultimately, occlusion of the apical opening of the root canal, which carries the risk of introducing bacteria and / or toxins, thus exacerbating the risk of post-endodontic complications, such as apical osteolysis or acute periapical osteitis is reduced by the blocking.
- the apical opening is blocked with dentin particles. This prevents the overflowing of the root canal during the subsequent filling with sealing material, also called “sealer”, and a filling material like gutta-percha.
- sealing material also called “sealer”
- a filling material like gutta-percha.
- blocking with dentine particles involves the risk of bacteria between the dentine particles, which can cause re-infection.
- An obturation system sold under the name "Simplyfill” works with gutta-percha to block the apical opening, for which the gutta-percha material is screwed onto a support which is longitudinally displaceable and constitutes an auxiliary tool for the obstruction that after the placement or application of the gutta-percha material in the apical opening, the carrier is to be screwed down from the gutta-percha material the gutta-percha material shifts when unscrewing the carrier and a secure blocking the apical opening is at risk and penetration of bacteria can not be reliably prevented.
- the object of the invention is to provide an obturation device which enables a secure application of an obturation material in the apical opening and which overcomes the disadvantages of known obturation systems. It is another object of the invention to provide an applicator for blocking, which is multifunctional.
- an obturating device for blocking an apical opening of a root canal of a tooth by means of an obturation stopper mass.
- the obturation device has a carrier, in which the obturation stopper mass is arranged to be slidable.
- the obturation device has an applicator, with which the obturation plug material in the form of an obturation plug is applied into the apical opening, wherein the applicator has a housing with a sliding mechanism which can be brought into engagement with the carrier, and wherein the sliding mechanism comprises the obturation plug mass slides from the carrier into the apical opening.
- Such Obturationsvoroplasty has the advantage that it is based on the Gleitverschiebrete a sliding mechanism, wherein from a carrier from the Obturationsstopfen in the apical opening is pushed so that no screw connection between the carrier and gutta-percha is required. Consequently, there is no longer the risk that a torque acts on the stopper when the carrier is removed from the stopper, and that loosening or twisting of the stopper endangers the reliability of the blocking of the apical opening.
- a plunger which is driven out of the applicator with the aid of the sliding mechanism in the direction of the obturation plug mass of the carrier, can be withdrawn immediately after the blocking of the apical opening, without loading the blockage by the action of force or the blocking to relax.
- the applicator may be provided with a variety of functions, such as having a variable stopper function, a calibration function, and / or a scaling and metering function, e.g. predetermined tooth root depths with the carrier and the Obturationsstopfenmasse or Obturationsstopfen - called obturation in the following - reliable and verifiable to achieve.
- a variable stopper function e.g. a calibration function
- / or a scaling and metering function e.g. predetermined tooth root depths with the carrier and the Obturationsstopfenmasse or Obturationsstopfen - called obturation in the following - reliable and verifiable to achieve.
- the obturation plug mass is a prefabricated obturation plug that is solid at the processing temperature, preferably room or body temperature.
- This obturation plug is introduced directly into a prepared root canal with the inventive obturation device without heating the obturation plug, whereby the viscosity or the hardness of the material of the obturation plug, such as gutta-percha, would be changed. Accordingly, the obturation device has no heat source.
- an obturation plug can be used, which is adapted to the dimensions of the root canal, for example with respect to the depth of the root canal or with respect to a particular shape which is predetermined by the preparation.
- the obturation is preferably not heated when introduced into a root canal, in particular the apex of a root canal, or is heated only insignificantly by friction, etc. during the application of the obturation, its shape does not change. As a result, a defined obturation of the root canal or the apex can be achieved. Such defined obturation is not possible with obturating masses that are heated prior to or during application so that their shape changes upon insertion into the root canal.
- the carrier has a mouthpiece on a proximal end and a connecting projection in the form of a cone on a distal end which can be plugged onto a proximal end of the applicator.
- a screw or bayonet connection at this point between the proximal end of the applicator and the distal end of the carrier.
- the bayonet connection has the advantage that with few
- Handles a releasable connection is made, but which is better secured than a pure adhesive connection using a cone on the connecting lug of the wearer.
- the mouthpiece at the proximal end of the carrier is preferably adapted to the size and shape of the respective obturation stopper.
- the clear width of the mouth corresponds to the outer dimensions of the obturation stopper.
- the obturation plug is arranged in the carrier.
- the obturation plug material preferably comprises gutta-percha, since bacterial freedom can be ensured here compared to an obturation plug material made from dentin particles.
- the obturation plug material may further contain conventional additives, such as an X-ray contrast agent, to determine the exact position of the obturation plug in the root canal.
- an obturation plug of gutta-percha material may have a tip at its proximal end.
- the length 1 of the obturation plug depends on the size of the root canal or the size of the apical opening and is preferably in a range of 0.1 mm to 10 mm, preferably in the range of 1 mm to 5 mm.
- the obturation plug has a cylindrical contour. This especially applies to obturation plugs of long lengths in the range of 10 mm.
- the obturation plug may have a tapered plug with a pitch of optionally 4% to 10%.
- a cone-shaped slope opposes the geometry of the root canal, which usually tapers conically towards the apical opening.
- cross-sections of an ISO standard are preferably used.
- Another preferred form for the obturation plug has a stepped outer contour. The steps are adapted to the inner diameter of the mouthpiece at the proximal end of the carrier, while the Obturationsstopfen- tip outside the carrier may have a neck which is adapted to the diameter of the outer diameter of the mouthpiece with its diameter.
- the applicator has an elongate, tubular housing.
- a plunger is guided, which is actuated from the outside and can be moved in the longitudinal direction along the axis of symmetry of the elongated tubular housing.
- the sliding mechanism may be arranged a return element. This restoring element ensures that after insertion and pressing of the gutta-percha plug into the apical opening of the root canal, the plunger is automatically retracted resiliently.
- the plunger can have a sliding-displaceable core and, at the proximal end of the sliding-displaceable core, an extension made of a wire, preferably of a nickel-titanium alloy, or of a plastic core.
- the cross section of the extension is adapted to the cross section of Obturationsstopfens.
- the return element of the sliding mechanism on a coil spring is disposed within a tubular portion of the housing of the applicator and supports with its proximal end on a narrowed shoulder of the housing. The distal end of the coil spring pushes against a sliding core or rod of the slide mechanism.
- the restoring element has a bellows.
- This bellows is disposed at the distal end of the housing and is closed by a pressure plate to which the inside of the housing, the sliding core or rod is disposed within the housing.
- a wire or a plastic core may also be fixed here as a core to the pressure plate, which are adapted with their cross sections to the cross section of the obturation plug.
- the bellows By pressing on the pressure plate, the bellows is pushed together and at the same time inside the housing slidable element in the form of a rod, a wire or a plastic core in the direction of the proximal end of the applicator displaced and upon relief of the pressure plate, the bellows springs back and simultaneously pulls the fixed to him inside the housing slidable element in the direction of the distal end of the applicator.
- the bellows construction is particularly suitable for single use, wherein the housing of the applicator integrally merges into the carrier, which opens at its proximal end in a mouthpiece which can receive the Obturationsstopfen.
- tubular housing can be formed of a flexible tubular material in which a slidable core or plunger in the form of a wire or a plastic core is arranged.
- the sliding mechanism of the applicator is in operative connection with an external measuring display, with which the
- Root canal depth is measurable and / or the position of Obturationsstopfens can be determined.
- Such gauges are preferably mounted when the applicator is intended for multiple use.
- this has a tappet guide which is curved towards the proximal end.
- This curvature facilitates the introduction of the ram guide into the root canal of a tooth, especially as the applicator can be held in the direction of the oral cavity due to the curvature, while the ram guide can be inserted through the curvature in the tooth root canal.
- the stopper guide is made of a flexible material.
- the curvature can be flexibly adapted to the respective root canal to be filled.
- the ram guide made of a flexible material is curved towards the proximal end.
- This curvature facilitates the introduction of the ram guide into the root canal, while the flexibility of the material of the ram guide makes it possible to advantageously introduce the ram guide into the root canal.
- the applicator has a variable stopper with which the penetration depth of the obturation stopper in the root canal can be variably preset. This function of the applicator makes it possible to avoid overpressure, injuries and too deep penetration into the root canal in the area of the apical opening. In addition, it is avoided that an obturation plug inserted too far into the apical opening exerts a permanent uncomfortable feeling of pressure or leads to complications in the apical area.
- the applicator has an externally visible scaling, which is in operative connection with the sliding mechanism and indicates the current penetration depth of the obturation plug in the root canal.
- This scaling can have a fine division of up to a quarter of a millimeter in order to precisely set the obturation plug with high accuracy.
- the obturation device according to the invention can be used safely and simply and in a time-saving manner. It guarantees a very good blockage and sealing of the apical opening of a root canal in a tooth.
- FIG. 1 shows a schematic cross section through an applicator of an obturating device according to a first embodiment of the invention
- Figure 2 shows a schematic cross section through a
- FIG. 3 shows a schematic perspective side view of an applicator of an obturating device according to a second embodiment of the invention
- FIG. 4 shows a schematic perspective top view of the applicator of the obturating device according to FIG. 3;
- Figure 5 shows a schematic cross section through a
- Mouthpiece of the disposable obturation device according to FIG. 5.
- FIG. 1 shows a schematic cross section through an applicator 6 of an obturating device 1 according to a first embodiment of the invention.
- the applicator 6 has an elongated, tubular housing 7, in which a sliding mechanism 8 is arranged.
- the sliding mechanism 8 is actuated from the distal end via the slider 24, to which a slidable core 25 is mounted, which is movable in the upper portion of the housing 7 and outside the housing 7 has a stopper 22 which is adjustable, so that different displacement lengths possible are.
- the sliding mechanism 8 has, proximal to the rod-shaped core 25, a helical spring 18 as an elastic return element 17.
- the coil spring 18 is supported in housing 7 on a housing projection 29 which is arranged at the proximal end of the applicator 6 and extends to the proximal end of the sliding core 25.
- a wire-shaped extension 30 is arranged in the proximal end 31 of the sliding core 25 is fixed and protrudes from the proximal end 15 of the applicator 6.
- the sliding core with extension forms a plunger 16.
- the proximal end 32 of the housing 7 has a cone 10, which is formed by a tubular connecting piece 27 on the proximal end 32 of the housing 7. On the tubular connector 27, a carrier can be attached.
- Figure 2 shows a schematic cross section through a
- the support 5 has at its distal end 13 a cone 10, which is adapted to the cone 10 of the applicator 6 shown in FIG.
- the carrier 5 can be plugged with its connection lug 14 and the plug connection 9 onto the proximal end 15 of the applicator 6 shown in FIG.
- the connector attachment 14 merges into a plunger guide 21, which guides the plunger 16 of the applicator 6 shown in FIG. 1 in the direction of an obturation plug material in the region of the mouthpiece 12.
- the obturation plug 4 in this embodiment of the invention is arranged within the carrier 5 at the proximal end 11 of the carrier 5, the contour of the obturation stopper 4 being adapted to the clear width w of the mouthpiece 12 of the carrier 5.
- the coil spring 18 shown in Figure 1 is clamped in the applicator 6 and after sealing the apical opening of the root canal, the coil spring 18 acts in the applicator 6 as a return element 17 and pushes the sliding mechanism 8 back to its original position.
- the obturation stopper 4 once positioned in the apical opening is not released and displaced by the springing back of the sliding mechanism 8, so that this obturation device 1 can be used to successfully position a sealing stopper in the apical opening of the root canal.
- FIG. 3 shows a schematic perspective side view of an obturating device with applicator 6 and carrier 5 of a second embodiment of the invention.
- Components with the same functions as in the previous figures are identified by the same reference numerals and are not explained separately.
- a feature of this embodiment is that the ram guide 21 of the carrier 5 at the proximal end of the applicator 6 has a curvature. This allows the applicator 6 to be held in a relatively horizontal orientation in the oral cavity and yet penetrate into the root canals of the teeth with the carrier 5.
- the dashed line indicates the extension 30 of the sliding core of the ram, which is in operative connection with the sliding mechanism 8.
- the sliding mechanism 8 has a slider 24 which can be operated by hand.
- the slide 24 slides in this embodiment of the invention on the housing 7 in the direction of arrow A and moves inside the housing 7, the plunger 16.
- a not visible in the interior of the housing and in this drawing elastic return element ensures that the slide 24 and the plunger 16 spring back into the basic position shown here.
- This applicator 6 also has a variable stopper 22, which can be adjusted and / or adjusted to any position with the aid of a fixing screw 28 in order to fix a predetermined penetration depth of the plunger 16 in the root canal.
- FIG. 4 shows a schematic perspective top view of the applicator 6 and of the carrier 5 of the obturating device 2 according to FIG. 3.
- the mode of operation of the variable stopper 22 is visible, since the slide is now advanced to the stopper 22, and the plunger 16 is pushed out of the tappet guide 21 by the same length 1.
- the applicator 6 has a scale 23 with measuring display 20, with which this length 1, which corresponds to the penetration depth of the plunger 16 in the root canal, can be precisely measured and adjusted.
- FIG. 5 shows a schematic cross section through a disposable obturator 3 for single use according to a third embodiment of the invention.
- the housing 7 at the same time forms the support 5 for the obturation plug 4 at the proximal end of the housing 7.
- the plunger 16 is guided in the tubular housing 7 and simultaneously forms the slidable core 25.
- the tubular housing 7 can also a flexible hose, which is pre-curved, for example, in which a flexible wire forms the plunger 16, or in which a plastic core is arranged and forms a flexible plunger 16.
- the proximal end 32 of the housing 7 is also at the same time the mouthpiece 12 of the obturation device 3, which is matched with its clear width w of the contour of a gutta-percha obturation 4.
- the obturation plug 4 has a double cone which forms a tip at its proximal end and is matched with its distal end to the clear width w of the mouthpiece 12.
- the distal end 33 of the applicator 6 has the slide 24, which is connected via a bellows 19 with the housing 7.
- the bellows 19 simultaneously forms an elastic return element 17, so that after the obturation plug 4 has been pressed into the apical opening of the root canal, the plunger 16 springs back into the initial position shown here.
- FIG. 6 shows a schematic cross-section through a mouthpiece 12 of the disposable obturation device 3 according to FIG. 5.
- the obturation stopper is shown in FIG. 6 in the mouthpiece 12, which simultaneously forms the proximal end 11 of the carrier 5 and also the proximal end 15 of the applicator 6 4 introduced to guide him over the root canal to the apical opening of the tooth and seal with the gutta percha obturation 4 this opening.
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK06818532.1T DK1951144T3 (en) | 2005-11-14 | 2006-11-14 | Obturationsindretning for blocking an apical opening in a root canal in a tooth |
EP06818532.1A EP1951144B1 (de) | 2005-11-14 | 2006-11-14 | Obturationsvorrichtung zur verblockung einer apikalen öffnung eines wurzelkanals eines zahnes |
ES06818532.1T ES2445038T3 (es) | 2005-11-14 | 2006-11-14 | Dispositivo de obturación para bloquear una abertura apical de un canal radicular de un diente |
BRPI0618558-4A BRPI0618558A2 (pt) | 2005-11-14 | 2006-11-14 | dispositivo de obturação para fechar um forame apical de um canal dentário |
CA002628889A CA2628889A1 (en) | 2005-11-14 | 2006-11-14 | Occlusion device for blocking an apical opening of a root canal of a tooth |
US12/091,208 US20090220909A1 (en) | 2005-11-14 | 2006-11-14 | Occlusion device for blocking an apical opening of a root canal of a tooth |
JP2008539365A JP2009515575A (ja) | 2005-11-14 | 2006-11-14 | 歯根管の根尖孔を封鎖するための充填器具 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005054232A DE102005054232A1 (de) | 2005-11-14 | 2005-11-14 | Obturationsvorrichtung zur Verblockung einer apikalen Öffnung eines Wurzelkanals eines Zahnes |
DE102005054232.8 | 2005-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007054370A1 true WO2007054370A1 (de) | 2007-05-18 |
Family
ID=37745205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/010920 WO2007054370A1 (de) | 2005-11-14 | 2006-11-14 | Obturationsvorrichtung zur verblockung einer apikalen öffnung eines wurzelkanals eines zahnes |
Country Status (10)
Country | Link |
---|---|
US (1) | US20090220909A1 (de) |
EP (1) | EP1951144B1 (de) |
JP (1) | JP2009515575A (de) |
BR (1) | BRPI0618558A2 (de) |
CA (1) | CA2628889A1 (de) |
DE (1) | DE102005054232A1 (de) |
DK (1) | DK1951144T3 (de) |
ES (1) | ES2445038T3 (de) |
PT (1) | PT1951144E (de) |
WO (1) | WO2007054370A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2427119B1 (de) * | 2009-05-06 | 2013-08-21 | Woodwelding AG | Vorrichtung zur abgabe eines materials mit thermoplastischen eigenschaften in einem fliessfähigen zustand an einer operationsstelle in einem menschlichen oder tierischen patienten |
US9089384B1 (en) | 2013-05-21 | 2015-07-28 | Austin H. Sampson | Dental pin system |
EP3708111A1 (de) | 2016-03-22 | 2020-09-16 | DENTSPLY SIRONA Inc. | Verfahren und anordnung zum reinigen von einem kanal |
EP3509533B1 (de) * | 2016-09-11 | 2020-06-17 | Tulsa Dental Products LLC | System zur bereitstellung von endodontischem material mittels induktionserwärmung |
WO2018191337A1 (en) * | 2017-04-13 | 2018-10-18 | Kerr Corporation | Endodontic obturator |
CA3074525A1 (en) | 2017-09-25 | 2019-03-28 | Dentsply Sirona Inc. | Method and arrangement for cleaning of a canal |
US11638634B2 (en) | 2017-09-25 | 2023-05-02 | Dentsply Sirona Inc. | Method and arrangement for cleaning of a canal |
WO2020000073A1 (en) | 2018-06-25 | 2020-01-02 | Angelus Industria De Produtos Odontologicos S/A | Injection systems in the radicular canal system and use thereof |
CN111297494A (zh) * | 2020-03-26 | 2020-06-19 | 桂林市啄木鸟医疗器械有限公司 | 热熔牙胶枪推进杆导套装置及导套加工工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102299C (de) * | ||||
GB734983A (en) * | 1953-06-10 | 1955-08-10 | S S White Company Of Great Bri | Improvements in dental amalgam carriers |
WO1993016653A1 (fr) * | 1992-02-21 | 1993-09-02 | DELSAUX, Bernard, Georges, Jules | Dispositif d'application de matiere d'obturation dans une cavite dentaire |
DE20017314U1 (de) * | 2000-10-10 | 2002-02-21 | Schuetz Dental Gmbh | Vorrichtung zur Dosierung von fliessfähigen Stoffen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3899830A (en) * | 1971-12-30 | 1975-08-19 | Oscar Malmin | Endodontic sealing system and apparatus |
EP0078258B1 (de) * | 1981-05-04 | 1986-08-06 | Solar Energy Technology, Inc. | Spritze zum füllen von zahnwurzelkanälen |
FR2642299A1 (fr) * | 1989-02-02 | 1990-08-03 | Berland Thierry | Systeme porte-amalgame multidoses en dentisterie |
US5328367A (en) * | 1993-04-14 | 1994-07-12 | Johnson William B | Method and apparatus for applying gutta percha to a carrier |
WO2005107627A2 (en) * | 2004-05-05 | 2005-11-17 | Innovadontics, Inc. | Systems and methods for dispensing sealant in medical applications |
-
2005
- 2005-11-14 DE DE102005054232A patent/DE102005054232A1/de not_active Withdrawn
-
2006
- 2006-11-14 EP EP06818532.1A patent/EP1951144B1/de active Active
- 2006-11-14 WO PCT/EP2006/010920 patent/WO2007054370A1/de active Application Filing
- 2006-11-14 DK DK06818532.1T patent/DK1951144T3/en active
- 2006-11-14 BR BRPI0618558-4A patent/BRPI0618558A2/pt not_active Application Discontinuation
- 2006-11-14 ES ES06818532.1T patent/ES2445038T3/es active Active
- 2006-11-14 CA CA002628889A patent/CA2628889A1/en not_active Abandoned
- 2006-11-14 JP JP2008539365A patent/JP2009515575A/ja not_active Withdrawn
- 2006-11-14 US US12/091,208 patent/US20090220909A1/en not_active Abandoned
- 2006-11-14 PT PT68185321T patent/PT1951144E/pt unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102299C (de) * | ||||
GB734983A (en) * | 1953-06-10 | 1955-08-10 | S S White Company Of Great Bri | Improvements in dental amalgam carriers |
WO1993016653A1 (fr) * | 1992-02-21 | 1993-09-02 | DELSAUX, Bernard, Georges, Jules | Dispositif d'application de matiere d'obturation dans une cavite dentaire |
DE20017314U1 (de) * | 2000-10-10 | 2002-02-21 | Schuetz Dental Gmbh | Vorrichtung zur Dosierung von fliessfähigen Stoffen |
Also Published As
Publication number | Publication date |
---|---|
EP1951144B1 (de) | 2014-01-08 |
CA2628889A1 (en) | 2007-05-18 |
JP2009515575A (ja) | 2009-04-16 |
BRPI0618558A2 (pt) | 2011-09-06 |
US20090220909A1 (en) | 2009-09-03 |
DK1951144T3 (en) | 2014-02-17 |
EP1951144A1 (de) | 2008-08-06 |
DE102005054232A1 (de) | 2007-05-16 |
PT1951144E (pt) | 2014-02-12 |
ES2445038T3 (es) | 2014-02-27 |
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