WO2020216979A1 - Dispositif de traitement superficiel des dents - Google Patents

Dispositif de traitement superficiel des dents Download PDF

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Publication number
WO2020216979A1
WO2020216979A1 PCT/ES2020/070260 ES2020070260W WO2020216979A1 WO 2020216979 A1 WO2020216979 A1 WO 2020216979A1 ES 2020070260 W ES2020070260 W ES 2020070260W WO 2020216979 A1 WO2020216979 A1 WO 2020216979A1
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WO
WIPO (PCT)
Prior art keywords
treatment chamber
dental
led diodes
teeth
side walls
Prior art date
Application number
PCT/ES2020/070260
Other languages
English (en)
Spanish (es)
Inventor
Unai UGALDE OLEA
M. Iciar ARTEAGOITIA CALVO
Nagore ARROYO LAMAS
Original Assignee
Universidad Del País Vasco / Euskal Herriko Unibertsitatea
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
Application filed by Universidad Del País Vasco / Euskal Herriko Unibertsitatea filed Critical Universidad Del País Vasco / Euskal Herriko Unibertsitatea
Publication of WO2020216979A1 publication Critical patent/WO2020216979A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0087—Means for sterile storage or manipulation of dental implants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/0005—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts
    • A61L2/0011—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts using physical methods
    • A61L2/0029—Radiation
    • A61L2/0047—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/003—Apparatus for curing resins by radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0003—Not used, see subgroups
    • A61C8/0004—Consolidating natural teeth
    • A61C8/0006—Periodontal tissue or bone regeneration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0012—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy
    • A61C8/0013—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating
    • A61C8/0015—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating being a conversion layer, e.g. oxide layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/12—Apparatus for isolating biocidal substances from the environment
    • A61L2202/122—Chambers for sterilisation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/21—Pharmaceuticals, e.g. medicaments, artificial body parts

Definitions

  • the present invention belongs to the field of dental treatment devices, such as dental implants and dental abutments, in which ultraviolet light is used to improve their osseointegration, that is, their integration into the patient's bone.
  • Implant treatment has shown low failure rates. However, when implants fail, it is not well tolerated by either the professional or the patient due to the complexity of most procedures, the risks inherent in the surgical technique, and the social and economic cost. Therefore, knowing the reasons that cause implant failure and developing clinical or pharmacological procedures that increase success rates is a goal of implantology professionals and implant manufacturing companies.
  • these implants can be subjected to a photofunctionalization process that consists of illuminating them with ultraviolet (UV) light just before being placed in the patient.
  • UV ultraviolet
  • Ti is naturally oxidized rapidly, forming a thin layer (a few nm) of mainly Titanium oxide (T1O2).
  • T1O2 Titanium oxide
  • the application of UV light on the implant surface causes physicochemical alterations in the T1O2 layer, and therefore in the surface of all Ti implants, such as, for example, a very substantial increase in its degree of hydrophilicity.
  • This photofunctionalization process removes, among other substances, the carbon contaminants adsorbed on the Ti0 2 surface layer.
  • Hg mercury vapor tube
  • dental abutments which are the pieces that join dental implants to dental prostheses (false teeth)
  • dental prostheses can also show functional deterioration on their surfaces due to the presence of contamination and biological and non-biological impurities that can cause infections in the patient's mouth and that can significantly affect the coupling of said abutments to their corresponding implants and prostheses.
  • the invention provides a solution to the aforementioned problems by means of a device for the surface treatment of teeth, such as dental implants and dental abutments, according to claim 1.
  • a device for the surface treatment of teeth such as dental implants and dental abutments, according to claim 1.
  • Preferred embodiments of the device for the surface treatment of teeth are described in the dependent claims .
  • a first aspect of the invention refers to a device for the surface treatment of teeth that are selected from dental implants, dental abutments and a combination of both. That is, the tooth can be a dental implant, a dental abutment, or the assembly of a dental implant with a corresponding dental abutment.
  • the device comprises a central body formed by three side walls that define a treatment chamber in the shape of a triangular prism. The three side walls are joined together by rounded vertical edges adopting an elliptical profile that improves the reflection of the incident light, especially the light coming from the LED diodes located in positions inside the treatment chamber opposite each tooth.
  • the treatment chamber is configured to house at least one tooth.
  • the three vertical walls will preferably have dimensions such that their height is greater than their width so that the treatment chamber can house the teeth and also allow a comfortable manipulation by professionals in implantology of the mentioned teeth inside. of the treatment chamber.
  • the device for surface treatment of teeth also comprises a support on which the central body is located, a cover coupled to the upper mouth of the central body to allow access to the interior of the treatment chamber, a plurality of LEDs located in the side walls of the treatment chamber that radiate UV light onto the outer surface of the at least one tooth and a reflective surface located on the inner faces of the treatment chamber to reflect ultraviolet light toward the at least one tooth.
  • each side wall of the treatment chamber comprises two LEDs.
  • the two LEDs on each side wall they could be positioned at a height that corresponds to the height at which the teeth are placed within the treatment chamber and covering the length of the tooth. That is, one of the two LEDs could be positioned in correspondence with one end of the tooth and the other LED could be positioned in correspondence with the other end of the tooth, thus covering the length of the teeth.
  • the LEDs are connected to each other in series. This ensures that the same current flows through all of them and that, therefore, they emit the same light output. With a uniform light output inside the treatment chamber, the photo-functionalizing effect of UV light is homogeneous on the external surface of the teeth.
  • the reflective surface is placed on internal faces of the three side walls, on a lower face of the lid, and on a portion of the upper face of the support in correspondence with the treatment chamber.
  • the reflective surface could be at least one reflective plate attached to the inner faces of the three side walls, the lid and the support, while, in other examples, the reflective surface could be integrated into the walls of the three side walls, the lid and the support.
  • the reflective surface could be made of a material whose reflectivity in the UVC range is equal to or greater than the reflectivity in the UVC range of aluminum.
  • this reflective surface could be made of a coating based on aluminum, as this material has a very high reflectivity in the UVC range.
  • the reflectivity of aluminum is at least 80% for opaque aluminum while it can exceed 95% for polished aluminum.
  • the treatment chamber is configured to house three teeth so that all three teeth are decontaminated simultaneously.
  • the plurality of LEDs emit with a wavelength less than or equal to 280 nm, that is, they emit in the UVC range. More preferably, the plurality of LEDs emits with a wavelength of 278 nm.
  • the teeth are distributed within the treatment chamber such that each tooth interrupts a direct ultraviolet light beam between the LEDs on two adjoining side walls.
  • the tooth surface treatment device comprises retention elements for each tooth inside. of the treatment chamber. These retention elements are attached to the upper face of the holder and each retention element is configured to retain a tooth.
  • the retention elements may have a height adjustment means for adjusting the height of the retention elements relative to the treatment chamber.
  • the retention elements could have a threaded stud at their lower end configured to thread into an existing thread in the support, so that the height of the retention means can be modified in, for example, a range of +/- 2 mm.
  • the upper end of the retaining means may be in the form of a screwdriver head for fixing and retaining the teeth in the retaining means.
  • the tooth surface treatment device comprises a tooth turning mechanism.
  • This turning mechanism is coupled to the retention elements.
  • the rotation mechanism is configured to rotate the retention elements about the axis of the tooth itself.
  • the turning mechanism may comprise a gear coupled to each retainer, a drive gear in contact with the gears, and a motor for driving the drive gear.
  • the motor drives the drive gear that transmits its movement to the three gears coupled to the retaining elements that make the teeth rotate in an integral and homogeneous way. This ensures that the outer surface of the teeth inside the treatment chamber is illuminated with the LEDs in a homogeneous way.
  • the surface treatment device comprises at least one temperature sensor inside the treatment chamber to monitor the temperature inside the treatment chamber and therefore the temperature of the teeth.
  • the device for the surface treatment of teeth could comprise processing means that are configured to monitor, by means of the at least one temperature sensor, the temperature inside the treatment chamber, reduce the electric current flowing through the LED diodes when the temperature inside the treatment chamber has reached a first preset temperature and increase the electric current that circulates through the LED diodes when the temperature inside the treatment chamber is below a second preset temperature. By varying the current flowing through the LED diodes, it is possible to vary the power emitted and therefore regulate the temperature inside the treatment chamber.
  • the first preset temperature could be defined as the temperature above which the teeth could burn the gum of the patient if they were placed at that time. Therefore, when this first preset temperature is reached, the power emitted by the LED diodes would be reduced to even turn them off completely.
  • the second preset temperature would be defined as the temperature at which the teeth are cool enough to be implanted at that time. If this second preset temperature is reached inside the treatment chamber, the power emitted by the LED diodes could be increased. The first preset temperature is higher than the second preset temperature.
  • processing means can be broadly interpreted to include a central processing unit (CPU), a processor, microprocessor, an application-specific integrated circuit (ASIC), a logic, a programmable gate array, etc.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the processes executed and the functional modules that make up the processing means can be executed / formed by a single processor or they can be divided between several processors.
  • the lid is curved into a predetermined curvature and is coupled to one of the three side walls allowing, for example, by a hinge.
  • the curvature of the cap would facilitate the reflection of the UV light emitted by the LED diodes in such a way as to guarantee a homogeneous illumination of the external surfaces of the teeth within the treatment chamber.
  • the tooth surface treatment device has a rechargeable battery.
  • the device could have a USB connector for recharging the rechargeable battery.
  • the battery could be removable and could be recharged in an external charger.
  • the LEDs comprise lenses configured to focus light radiation emitted by the LEDs. In this way, it is possible to concentrate the light emitted by the LED diodes on the teeth, improving their efficiency. These lenses for concentrating the light radiation can be integrated into the LED diode itself or can be externally fitted onto the diode's encapsulation.
  • Figure 1 shows a perspective view of an example of a tooth surface treatment device.
  • Figure 2 shows a side view of the example of a tooth surface treatment device of Figure 1.
  • Figure 3 shows a plan view of an example of the support in which the elements that make up the turning mechanism of the teeth are shown.
  • Figure 4 shows a plan view of another example of a tooth surface treatment device in which the support is circular in shape and where the UV light beams emitted by the LED diodes are shown.
  • Figure 1 shows a perspective view of an example tooth surface treatment device 100. It should be understood that the tooth surface treatment device 100 depicted in Figure 1 may include additional components and that some of the components described herein They can be removed and / or modified without departing from the scope of the tooth surface treatment device 100.
  • the treatment device 100 comprises a central body 101 formed by three side walls 102 that define a treatment chamber 103 in the shape of a triangular prism.
  • the three side walls 102 are joined to each other by flattened vertical edges 104 that define an elliptical profile that improves the reflection of the incident light, particularly the light coming from the LEDs 105.
  • the treatment device 100 also comprises a support 106 on which is located the central body 101 and a cover 107 coupled to the upper mouth of the central body 101 that is attached to the central body by, for example, a hinge (not shown in this figure) to one of the side walls 102.
  • the Cover 107 allows access to the interior of the treatment chamber for the insertion and extraction of dental implants 108.
  • the treatment device 100 has two LED diodes 105 located on each of the three side walls 102 of the treatment chamber 103 that radiate UV light on the outer surface of the three teeth, which in this embodiment are dental implants 108, but could also be pil dental ares or dental implant assemblies attached to their respective dental abutment.
  • the geometric and reflective characteristics of the treatment chamber 103 facilitate a uniform distribution of UV light, guaranteeing the correct and uniform photofunctionalization of dental implants 108.
  • Dental implants 108 have, for example, a diameter of 4 mm and a length of approx. 11 ⁇ 1 mm.
  • the six LEDs 105 emit light in the UVC range (l £ 280 mm).
  • the LEDs 105 are wired together in series to ensure that the same current flows through all of them and therefore they emit approximately the same light output.
  • a 48 Vdc power supply is used.
  • This power source can be a rechargeable battery (not shown in this figure) that is inserted into the bracket 106 or it can be an external power source, for example, a 230 Vac plug-in switching power source.
  • the rechargeable battery can be removable for recharging in an external charger or it can be charged through a connection with the USB port 112 that integrates the support 106.
  • the USB port 112 detects a voltage of 5 volts it enables the connection with the battery for your recharge.
  • This power supply will power the processing means and associated circuitry (not shown) as well as the LEDs 105 themselves.
  • the control means comprise a proportional integral and derivative (PID) controller, a linear current source responsible for circulating the required value of current by the six LEDs 105 and associated circuitry.
  • PID proportional integral and derivative
  • the current that will flow through the LEDs 105 will have a value between 20% and 100% of the rated current of the LEDs 105. For example, if the rated current of the LEDs 105 is 25 mA, the current that circulating through the LEDs 105 will have an arbitrary value between 5 and 25 mA. LED diodes can also have higher nominal currents, such as up to 250mA or even higher, so that the radiated lighting power is higher to ensure correct irradiation of the teeth.
  • the specific value of the current flowing through the six LEDs 105 will be determined by the processing means based on the temperature inside the treatment chamber 103.
  • the PID controller is connected to up to three temperature sensors, for example, Pt-100 type resistive temperature sensors located in shady places on the side walls 102, to monitor the temperature inside the treatment chamber 103.
  • the PID controller could determine that the linear current source circulates the current by the six LEDs 105 until the dental implants 108 reach a first preset temperature (e.g. 35 ° C), and thereafter the current is reduced to ensure that this temperature limit is not exceeded or that is reduced.
  • the PID controller could determine that the linear current source increases the current flowing through the six LEDs 105 until the dental implants 108 reach the first preset temperature.
  • a higher current rating of the LEDs may require more control of the internal temperature of the treatment chamber 103.
  • the treatment device 100 could integrate a manual current control means, for example, a control wheel connected to the linear current source, so that the implantologist could manually adjust the lighting within the treatment chamber. 103.
  • a manual current control means for example, a control wheel connected to the linear current source
  • the three dental implants 108 are fixed to retention elements 109 formed by a base 110 and a coupler 111.
  • the coupler 111 has an upper end in the shape of a screwdriver head on which the dental implant is fixed, by pressing or threading. 108.
  • the lower end of the coupler 111 is a threaded stud that is inserted into a threaded hole in the base 110 so that the height of the coupler 111 can be adjusted with respect to the base 110.
  • the base 110 is coupled to the support 106, and more specifically to the portion of the support 106 corresponding to the treatment chamber 103.
  • the retention elements 109 could be formed solely by the coupler 110 that would be fixed directly to the support 106 through a threaded hole in the bracket and the corresponding threaded stud at the lower end of coupler 111.
  • Dental implants 108 are attached to couplers 111 by the head of dental implant 108 mi The threaded portion of the dental implant 108 will be left free so that the illumination along the perimeter of the threaded portion of the dental implant 108 is completely uniform.
  • the treatment device 100 also comprises a reflective surface located on all the internal faces of the treatment chamber 103 to reflect the ultraviolet light emitted by the LEDs 105 towards the dental implants 108.
  • the reflective surface is placed on the internal faces of the three side walls 102, on the inner face of the cover 107 and on a portion of the upper face of the support 106 in correspondence with the treatment chamber 103.
  • the reflective surface is made of aluminum.
  • the cover 107 is curved to define an oval profile to favor the reflection of UV light within the treatment chamber 103.
  • the support 106 could have any other geometry such as, for example, a circular, triangular, rectangular geometry, etc.
  • Figure 2 shows a side view of the tooth surface treatment device 200 of Figure 1.
  • the two LEDs 205 on each side wall are located at a height that corresponds to the height at which the dental implants 205 are located within the treatment chamber 203 and covering the length of the dental implant 208. That is, one of the two LED diodes 205 is placed in correspondence with the upper end of dental implant 208 and the other LED 205 is placed in correspondence with the lower end of dental implant 208. In this way, dental implant 208 receives direct radiation from the 205 LEDs over their entire length.
  • the cap 207 is curved to define a dome-shaped cavity that facilitates the reflection of the light beams from the LEDs 205 towards the dental implants 208.
  • both the cap 207 and the side walls 203 and the portion of the support 206 located in correspondence with the treatment chamber 203 are covered with a layer of reflective material 212, the bases 210 and the couplers 211 of the retention means 209 being located within the treatment chamber 203 and on the layer reflective material 212.
  • Figure 3 shows a plan view of an example of the support 306 in which the elements that make up the turning mechanism 313 of dental implants are shown. It should be understood that the support 306 depicted in FIG. 3 may include additional components and that some of the components described herein can be removed and / or modified without departing from the scope of the support 306.
  • the turning mechanism 313 comprises a gear 314 coupled to each retaining element (not shown in this figure), a drive gear 315 in contact with the gears 314, and a motor (not shown) for driving the drive gear 315.
  • Gears 314 have a shaft 316 that is coupled to the retaining means and more specifically to the bases of the retaining means. These shafts 316 pass through holes in the support 306 so that the bases are coupled to said shafts 316, being located inside the treatment chamber 303 and integrally attached to said shafts 316.
  • the motor which is powered by the power means (external power supply or internal battery) actuate the drive gear 315 that transmits its movement to the three gears 314 that rotate the retention elements about their own axial axes and, therefore, to the dental implants.
  • This turning mechanism 313 turns dental implants in a uniform and homogeneous way. This, together with the rounded edges 304 between the side walls 302 of the central body, ensures that the outer surface of the dental implants within the treatment chamber 303 is illuminated with the LEDs in a uniform and homogeneous manner.
  • Figure 4 shows a plan view of another example of a tooth surface treatment device 400 in which the holder 406 has a circular shape and where the UV light beams emitted by the LED diodes are shown.
  • the bracket 406 shown is circular, the bracket 406 could have any shape that allows it to house the electronics and mechanics of the device.
  • the three dental pieces 408, for example dental implants, are illuminated with direct beams from the LEDs 405 coupled to the three side walls 402 of the central body 401.
  • the dental implants 408 upon receiving the direct beam from the different LEDs 405 deflect said beams generating secondary beams that are reflected on the side walls 402 and in the curved areas of the edges 404.
  • Figure 4 also shows, merely illustratively, that the light beams generated by the LED diodes 405 inside the treatment chamber 403 are confined inside the treatment chamber 403, the foci 409 in which some secondary beams of generated within the chamber 403 converge. Therefore, figure 4 shows the direct illumination beams of the 405 LEDs and the first reflections corresponding to the secondary beams.
  • the LEDs 405 are located in the central areas of the three side walls 402 and at a height corresponding to the height of the dental implants 408 within the treatment chamber 403.
  • the dental implants 408 are located in correspondence with the rounded edges 404 of the treatment chamber 403 so that there is a dental implant 408 interrupting the direct beam between the LEDs 405 of every two adjacent side walls 402. In this way, it is impossible for the LED diodes 405 to be able to illuminate each other directly, generating an overheating of the LED diodes 405 that would reduce the efficiency of the surface treatment device 400 and shorten the useful life of said LEDs 405.
  • the present device for the surface treatment of teeth which performs the photofunctionalization of the teeth by means of LED diodes has advantages over other solutions of the state of the art.
  • By means of the described design it is guaranteed that the teeth inside the treatment chamber are illuminated uniformly over their entire surface, so that there are no “shadow areas”.
  • elements that contain mercury (Hg) are dispensed with.
  • LED diodes which have a smaller size and electrical consumption than other light sources, the design of smaller, lighter, portable and autonomous treatment devices is facilitated by not needing to be plugged into the electrical network. LED diodes are also more robust and have a more comprehensive design than other light sources.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Dental Prosthetics (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

L'invention concerne un dispositif de traitement superficiel des dents, les dents étant sélectionnées entre des implants dentaires, des piliers dentaires et une combinaison des deux. Le dispositif comprend un corps central formé de trois parois latérales qui définissent une chambre de traitement en forme de prisme triangulaire. Les trois parois latérales sont reliées entre elles par des arêtes verticales arrondies. La chambre de traitement et conçue pour loger au moins une dent. Le dispositif comprend en outre un support sur lequel se trouve le corps central, un couvercle couplé à une embouchure supérieure du corps central, une pluralité de diodes DEL situées dans des parois latérales de la chambre de traitement qui irradient de la lumière ultraviolette sur la surface extérieure des dents et une surface réfléchissante située sur des faces internes de la chambre de traitement pour réfléchir la lumière ultraviolette vers les dents.
PCT/ES2020/070260 2019-04-25 2020-04-24 Dispositif de traitement superficiel des dents WO2020216979A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201930368A ES2790048B2 (es) 2019-04-25 2019-04-25 Dispositivo de tratamiento superficial de implantes dentales
ES201930368 2019-04-25

Publications (1)

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WO2020216979A1 true WO2020216979A1 (fr) 2020-10-29

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WO (1) WO2020216979A1 (fr)

Citations (4)

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Publication number Priority date Publication date Assignee Title
US20130062535A1 (en) * 2010-05-31 2013-03-14 Megagen Implant Co. Ltd. Surface-processing device for a dental implant
KR101675508B1 (ko) * 2015-10-19 2016-11-11 주식회사 디오 치아 임플란트용 포장용기
WO2016198429A1 (fr) * 2015-06-12 2016-12-15 Natural Dental Implants Ag Systèmes et procédés de pose stérile de prothèses
KR20190024842A (ko) * 2018-08-31 2019-03-08 주식회사 디오 치아 임플란트의 표면처리용 자외선 조사장치

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