WO2004082508A1 - Delivery device for applying dental materials to the oral cavity - Google Patents

Delivery device for applying dental materials to the oral cavity Download PDF

Info

Publication number
WO2004082508A1
WO2004082508A1 PCT/US2004/007954 US2004007954W WO2004082508A1 WO 2004082508 A1 WO2004082508 A1 WO 2004082508A1 US 2004007954 W US2004007954 W US 2004007954W WO 2004082508 A1 WO2004082508 A1 WO 2004082508A1
Authority
WO
WIPO (PCT)
Prior art keywords
delivery device
preloaded
capsule
energy
dental material
Prior art date
Application number
PCT/US2004/007954
Other languages
French (fr)
Inventor
Clay Brooke
Steven R. Jefferies
Original Assignee
Dentsply International Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US45505503P priority Critical
Priority to US60/455,055 priority
Application filed by Dentsply International Inc. filed Critical Dentsply International Inc.
Publication of WO2004082508A1 publication Critical patent/WO2004082508A1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/07Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with vibratory drive, e.g. ultrasonic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00Filling or capping teeth
    • A61C5/60Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/62Applicators, e.g. syringes or guns
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00Filling or capping teeth
    • A61C5/50Implements for filling root canals; Methods or instruments for medication of tooth nerve channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/001Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces incorporating means for heating or cooling the liquid or other fluent material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/002Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces with feed system for supplying material from an external source; Supply controls therefor

Abstract

A delivery device for the application of a dental material contained within a preloaded capsule to the oral cavity includes a handpiece having means to removably accept the preloaded capsule. The handpiece has ultrasonic or sonic energy and heat energy generating means such that energy is selectively applied to the dental material in the preloaded capsule. A method includes applying sonic or ultrasonic and heat energy to such a capsule.

Description

DELIVERY DEVICE FOR APPLYING DENTAL MATERIALS TO THE ORAL CAVITY

TECHNICAL FIELD

[0001] The present invention relates to the application of dental materials. More particularly, the invention relates to improvements in placing such materials in the oral cavity. Specifically, the invention relates to improvements in such uses while employing heat in conjunction with vibration or other mechanical actions.

BACKGROUND OF THE INVENTION

[0002] Dental professionals use a wide variety of materials in maintaining, improving or otherwise treating dental health. These include for example, dental restorative composites and amalgams, adhesives, cements, veneers, impression and registration materials, endodontic obturation materials, and the like. It is often the case that a successful dental procedure requires precise and complete application of such materials to fill spaces and voids, to flow properly, to maintain a suitable viscosity and to otherwise maintain a proper consistency for adequate handling and application by the practitioner.

[0003] The present invention provides for improvements in such techniques and the handling of such dental materials.

DISCLOSURE OF THE INVENTION

[0004] It is therefore, an object of the invention to provide for improvements in the application of dental materials to the oral cavity. The invention has a broad range of application to a variety of dental materials, but is particularly suited for the application of dental restoratives and endodontic obturation materials.

[0005] In general, the present invention imparts suitable vibrational and heat energy to the material to be applied, such that a proper viscosity is achieved allowing the material to flow from the application instrument to the site of application in the oral cavity, where it is otherwise treated in a conventional manner, such as for example, by then being cured. Optionally, other mechanical forces may be applied to move or otherwise place the dental material, such as by using a spatula, a piston, a nozzle or any other such mechanical devices providing a mechanical force upon the material to move or deliver it.

BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Fig. 1 is a side elevational, partially broken view of a delivery device embodying the concepts of the invention, shown for environmental purposes, as being affixed to a handpiece.

[0007] Fig. 2 is an alternative embodiment of the delivery device as in Fig. 1.

[0008] Fig. 3 is another embodiment of a delivery device according to the invention, and particularly suited for endodontic use.

[0009] Fig. 4 is an alternative embodiment of a delivery device particularly suited for endodontic use.

[0010] Fig. 5. - 23 show embodiments of the invention.

PREFERRED EMBODIMENTS FOR CARRYING OUT THE INVENTION

[0011] The present invention uses heat and vibration to make otherwise non-flowing or flow- resistant materials flow by reducing their viscosity. The required viscosity which must be achieved will vary depending upon the particular material being used and the dental procedure being carried out. Therefore, the viscosity reductions are not an absolute limitation of the invention. However, a practitioner will know by training and experience what consistency is useful for his or her particular technique. Such viscosities will also vary between practitioners even when they use the same materials and equipment. Therefore, again, viscosity is not an absolute limitation. The operative objective of the invention is to reduce viscosity by applying heat and energy to the point where the practitioner can properly, precisely and completely place the material as desired.

[0012] Vibrational energy is imparted by any suitable means, but is preferably imparted by operative connection of the delivery device to an ultrasonic generator. Such devices are well known in the dental art, and include for example, the CAVITRON line available from DENTSPLY INTERNATIONAL INC. of York, Pennsylvania. The actual energy supplied will vary depending upon the viscosity reduction required, which as discussed above, is not an absolute limitation of the invention.

[0013] For example, there is depicted in Fig. 1, a delivery device 10 which may be a preloaded capsule or the like, or which may be individually loaded as need by the practitioner, and which is operatively connected to a handpiece 11. Handpiece 11 is in turn connected by operative connector 12 to an ultrasonic generator 13. Handpiece 11 preferably contains elements such as magnetostrictive or piezo elements 14 for accepting energy from generator 13 and translating the energy into vibration-inducing ultrasonic energy applied to delivery device 10. The translation of such energy is of itself, conventional and well known for example, in the dental prophylactic scaling art, and need not be further described here.

[0014] Because vibrational energy is translated to delivery device 10, the material contained therein, such as dental material 20, is caused to vibrate. This in turn causes a reduction in the viscosity of the dental material 20, sufficient to reduce its viscosity. Materials that reduce viscosity when vibrational energy is applied are known as being thixotropic. Dental material such as Dyract, Integrity, Prisma and SureFil, all available from DENTSPLY are examples of such dental materials. While all of these materials are restoratives, other dental materials as discussed above can also benefit and are therefore useful, with the present invention. [0015] As stated, delivery device 10 can be preloaded or it can be simply a receptacle which is loaded at the time of use with an appropriate dental material 20. Preferably, delivery device 10 is preloaded with selected material, and is also otherwise configured for application of the material. For example, delivery device 10 may be provided with a nozzle 21 configured to take advantage of the viscosity reduction imparted by the invention. This is useful in a number of ways, including that very small quantities of dental material 20 can be applied than would otherwise be possible without the present invention. Without the reduction in viscosity that the invention provides, the application of small quantities would not otherwise be possible. This allows for increased precision in application to the practitioner.

[0016] Preferably, delivery device 10 is also configured to also supply heat energy to the dental material 20. This may be accomplished by any means, such as by supplying electrical energy from generator 13 to delivery device 10 in a manner to cause delivery device 10 itself to heat. The heating may also be internal of delivery device 10. Further still, the interior walls of delivery device 10 may be heated, or a separate heating element 22 may be provided that accepts electrical energy from generator 13 and translates such electrical energy into heat energy. Heating element 22 would of course, be connected to an appropriate circuit or connector 23 for such purposes. Fig. 2 shows an alternative embodiment of delivery device 10 wherein nozzle 21 is of a different size than nozzle 21 of Fig. 1. This will allow for a different amount and/or viscosity of dental material 20 to be applied. Further, a piston 24 and follower 25 may be employed in delivery device 10 to otherwise impart mechanical forces to dental material 20 to further induce desired movement.

[0017] According to one aspect of the invention, a delivery device 30 is configured for particular use in endodontic obturation procedures. Such procedures known in the art have included use of an obturation material on a carrier, such as the Thermafil obturator available from DENTSPLY. The obturator is placed into a suitable heating device, such as an oven, to warm the material and make it flow. The carrier is then inserted into the prepared root canal, and the material is cause to move coronally to fill the canal.

[0018] The present invention imparts both heat and vibrational energy to carrier 30 by operative connection via connector 31 to generator 32. Heat and vibrational energy are translated to carrier 30 in a manner similar to that delivered to delivery device 10. Material, such as gutta percha 33 is therefore, caused to be reduced in viscosity and to flow as desired. [0019] According to another aspect of the invention, particularly suited for the placement of material into a tooth to be restored or for the placement of endodontic material into a root canal, a cannula 40 is employed. Cannula 40 has a passage 41 therethrough, preferably a lengthwise passage, and is operatively connected through connector 42 to a generator for imparting vibrational and heat energy in a manner substantially similar to that provided by generator 32. hi this embodiment of the invention, there is also provided a material reservoir or source 50 which while shown separate from generator 43 in the drawings, may be supplied in conjunction therewith. Source 50 supplies a quantity, preferably a continuous or selectable flow of a quantity of dental material 60 to cannula 40 passage 41. By either imparting heat, vibrational energy, mechanical energy (including pressure) or some combination thereof, preferably at least heat and vibrational energy, material 60 can be caused to flow through passage 40 to be applied. This will allow the practitioner to substantially backfill the treated area while the cannula 40 is removed therefrom. Source 50 may be pressurized to help further induce flow through cannula 50. Cannula 40 may be supplied with an outer layer of material 51, such as is the case with gutta percha 33, which is used in endodontic obturation procedures. Thus the root canal is obturated and automatically backfilled at the same time.

[0020] As will be appreciated, heat, vibrational and or mechanical energy may be applied according to the present invention, either sequentially in any combination or at the same time again in any combination. It is to be further appreciated that the present invention carries out the objects thereof and otherwise provides a valuable and new contribution to the art. The invention has been described and illustrated without attempting to show all of the various embodiments that are within its scope. The scope of the invention will therefore, be determined only by any attached claims.

[0021] Another embodiment of the invention is intended for use to aid the placement, manipulation and finishing of composite materials used in dentistry. Energy is applied to the composite by means of a conventional instrument tip fitted to a drive mechanism. This drive mechanism generates linear oscillations of between 0.2 mm and 3 mm at frequencies between 20

Hz and 200 Hz.

[0022] The instrument uses a miniature DC motor, which rotates continuously in one direction.

This motor drives a cam mechanism, which translates rotary motion into linear oscillation. The cam mechanism consists of a slot cut into the surface of a cylinder around its circumference. This slot deflects in an axial direction between 0.2 mm and 3 mm in a form of a translated since wave.

Pins in the linear shaft engage with this slot and run within it. As the drive cam rotates, driven by the electric motor, the linear shaft oscillates. The linear shaft is prevented from rotating by an anti-rotation stop, which is fixed to the device housing and engages with a flat machined within the linear shaft.

[0023] The motor can be powered either by internal power cells or by an external power source.

[0024] Alternative drives under consideration for the instrument could include: a conventional rotary air powered motor to replace the electric motor; an AC motor which rotates only half a revolution and reverses direction, thus generating an oscillating rotary motion, translated into linear motion in a similar way to that above; and, an air powered mechanism, which uses a long piston along the axis of the device and directly connected to the tip. This piston oscillates back and forth and is controlled by a system if airways and ports to cycle the mechanism.

[0025] Another alternative format for the device would be a two piece device. The base would contain the drive motor and actuation switch. To this would be fitted the tip section which contains the bearing mechanism. The two sections are connected by a magnetic coupling, of either a rotary or linear design; thus aiding the post use sterilization of the device.

Claims

What is claimed is:
1. A delivery device for the application of a dental material contained within a preloaded capsule to the oral cavity comprising; a handpiece having means to removably accept the preloaded capsule; said handpiece having ultrasonic and heat generating means such that ultrasonic energy and heat are selectively applied to the dental material in said preloaded capsule.
2. A delivery device as in claim 1, wherein said ultrasonic energy is generated by a magnetostrictive element.
3. A delivery device as in claim 3, wherein said ultrasonic energy is generated by a piezoelectric element.
4. A method of applying a dental material to the oral cavity comprising the step of selectively applying ultrasonic and heat energy to a preloaded capsule containing the dental material, such that the viscosity of the material is reduced.
5. A delivery device for the application of a dental material contained within a preloaded capsule to the oral cavity comprising; a handpiece having means to removably accept the preloaded capsule; said handpiece having sonic and heat generating means such that sonic energy and heat are selectively applied to the dental material in said preloaded capsule. A method of applying a dental material to the oral cavity comprising the step of selectively applying sonic and heat energy to a preloaded capsule containing the dental material, such that the viscosity of the material is reduced.
PCT/US2004/007954 2003-03-14 2004-03-12 Delivery device for applying dental materials to the oral cavity WO2004082508A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US45505503P true 2003-03-14 2003-03-14
US60/455,055 2003-03-14

Publications (1)

Publication Number Publication Date
WO2004082508A1 true WO2004082508A1 (en) 2004-09-30

Family

ID=33029950

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/007954 WO2004082508A1 (en) 2003-03-14 2004-03-12 Delivery device for applying dental materials to the oral cavity

Country Status (1)

Country Link
WO (1) WO2004082508A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005087129A1 (en) * 2004-03-08 2005-09-22 Dentsply International Inc. Energy assisted delivery of dental materials from a cartridge
WO2006136398A3 (en) * 2005-06-22 2007-05-18 Kaltenbach & Voigt Manual device in particular for dental purposes for dispensing a paste-like filler mass
KR101001698B1 (en) 2008-09-17 2010-12-15 포항공과대학교 산학협력단 A method for connecting unit cells of thick-film electrolyte supported solid oxide fuel cells and fuel cells manufactured thereby
US20110143305A1 (en) * 2009-12-10 2011-06-16 W&H Dentalwerk Burmoos Gmbh Medical or dental treatment device for dispensing a medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2190176A5 (en) * 1972-06-20 1974-01-25 Soulie Jacques Pneumatic operated hypodermic syringe - for viscous medicaments etc., esp. filling amalgam for dentistry
US4704088A (en) * 1984-04-27 1987-11-03 Newman Martin H Dental materials dispenser and applicator
WO2001017454A1 (en) * 1999-09-09 2001-03-15 Rainer Tilse Method and instrument for introducing a dental filling material with a synthetic-resin base into a tooth cavity
US20020058231A1 (en) * 2000-09-22 2002-05-16 Joshua Friedman Dispenser for heating and extruding dental material
WO2002076323A1 (en) * 2001-03-26 2002-10-03 Schütz-Dental GmbH Device for applying tooth filling material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2190176A5 (en) * 1972-06-20 1974-01-25 Soulie Jacques Pneumatic operated hypodermic syringe - for viscous medicaments etc., esp. filling amalgam for dentistry
US4704088A (en) * 1984-04-27 1987-11-03 Newman Martin H Dental materials dispenser and applicator
WO2001017454A1 (en) * 1999-09-09 2001-03-15 Rainer Tilse Method and instrument for introducing a dental filling material with a synthetic-resin base into a tooth cavity
US20020058231A1 (en) * 2000-09-22 2002-05-16 Joshua Friedman Dispenser for heating and extruding dental material
WO2002076323A1 (en) * 2001-03-26 2002-10-03 Schütz-Dental GmbH Device for applying tooth filling material

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005087129A1 (en) * 2004-03-08 2005-09-22 Dentsply International Inc. Energy assisted delivery of dental materials from a cartridge
WO2006136398A3 (en) * 2005-06-22 2007-05-18 Kaltenbach & Voigt Manual device in particular for dental purposes for dispensing a paste-like filler mass
JP2008543462A (en) * 2005-06-22 2008-12-04 カルテンバッハ ウント ホイクト ゲゼルシャフト ミット ベシュレンクテル ハフツングKaltenbach & Voigt GmbH Dental handpiece for administering the paste-like filler
US8827701B2 (en) 2005-06-22 2014-09-09 Kaltenbach & Voigt Gmbh Hand apparatus, in particular for dental purposes, for dispensing a pasty filler mass
US8926323B2 (en) 2005-06-22 2015-01-06 Kaltenbach & Voigt Gmbh Hand apparatus for dispensing a pasty filler mass and container for receiving a curable medical filler mass
US8944814B2 (en) 2005-06-22 2015-02-03 Kaltenbach & Voigt Gmbh Hand apparatus, in particular for dental purposes, for dispensing a pasty filler mass
US20120028216A1 (en) * 2005-06-22 2012-02-02 Moessle Walter Hand Apparatus, In Particular For Dental Purposes, For Dispensing a Pasty Filler Mass
EP2535014A3 (en) * 2005-06-22 2014-02-12 Kaltenbach & Voigt GmbH Hand-held device, in particular for dental purposes, for dispensing a paste filler
EP2535016A3 (en) * 2005-06-22 2014-04-23 Kaltenbach & Voigt GmbH Hand-held device, in particular for dental purposes, for dispensing a paste filler
KR101001698B1 (en) 2008-09-17 2010-12-15 포항공과대학교 산학협력단 A method for connecting unit cells of thick-film electrolyte supported solid oxide fuel cells and fuel cells manufactured thereby
US20110143305A1 (en) * 2009-12-10 2011-06-16 W&H Dentalwerk Burmoos Gmbh Medical or dental treatment device for dispensing a medium
EP2335638A1 (en) * 2009-12-10 2011-06-22 W & H Dentalwerk Bürmoos GmbH Medical, in particular dental, treatment device for dispensing a medium

Similar Documents

Publication Publication Date Title
US7455521B2 (en) Interproximal devices and methods of using same
Matt et al. Comparative study of white and gray mineral trioxide aggregate (MTA) simulating a one-or two-step apical barrier technique
US8002783B2 (en) Surgical device for bone surgery
US6270342B1 (en) Dental laser treatment hand-piece and system
CA2530426C (en) Ultrasonic dental tool having a light source
EP0028530B1 (en) Scaling tip for a dental scaler
US20030057203A1 (en) Microwave polymerization system for dentistry
EP0925033B1 (en) Power-driven osteotome tools for compaction of bone tissue
CN100337599C (en) Implants, device and method for jointing tissue parts, particularly bones
van Steenberghe et al. A custom template and definitive prosthesis allowing immediate implant loading in the maxilla: a clinical report.
KR101011315B1 (en) Dentition correcting device
CN1980613B (en) Implant to be implanted into bone tissue and a method for processing and implanting the implant
US5639238A (en) Methods for the vibrational treatment of oral tissue and dental materials
US7179089B2 (en) Abutment system and method for preparing the same
KR101792472B1 (en) Bone growth device and method
US5927976A (en) Medication injection device and method
US6602074B1 (en) Dental composite light curing system
Balvedi et al. A comparison of two techniques for the removal of calcium hydroxide from root canals
US6428319B1 (en) Endodontic obturator system
Whitworth Methods of filling root canals: principles and practices
CN102170837B (en) Method and devices to increase craniofacial bone density
JP5441066B2 (en) Dental apparatus for medical examination and dental plasma jet irradiation device
EP3311770A1 (en) Apparatus and methods for treating root canals of teeth
Oda et al. Current concepts and advances in manual and power‐driven instrumentation
US20050003328A1 (en) Endodontic post and obturating system

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase