WO2024112061A1 - Dispositif de nettoyage orthodontique pour éliminer un biofilm autour d'un dispositif orthodontique - Google Patents

Dispositif de nettoyage orthodontique pour éliminer un biofilm autour d'un dispositif orthodontique Download PDF

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Publication number
WO2024112061A1
WO2024112061A1 PCT/KR2023/018753 KR2023018753W WO2024112061A1 WO 2024112061 A1 WO2024112061 A1 WO 2024112061A1 KR 2023018753 W KR2023018753 W KR 2023018753W WO 2024112061 A1 WO2024112061 A1 WO 2024112061A1
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WO
WIPO (PCT)
Prior art keywords
cleaning liquid
discharge
main body
receiving groove
cleaning
Prior art date
Application number
PCT/KR2023/018753
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English (en)
Korean (ko)
Inventor
최혜원
Original Assignee
사회복지법인 삼성생명공익재단
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Publication of WO2024112061A1 publication Critical patent/WO2024112061A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • A61C17/0211—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication specially adapted for rinsing the teeth of at least one jaw simultaneously
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/0061—Air and water supply systems; Valves specially adapted therefor
    • A61C1/0084—Supply units, e.g. reservoir arrangements, specially adapted pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/0061—Air and water supply systems; Valves specially adapted therefor
    • A61C1/0084—Supply units, e.g. reservoir arrangements, specially adapted pumps
    • A61C1/0092—Pumps specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02—Dental 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
    • A61C1/07—Dental 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/20—Power-driven cleaning or polishing devices using ultrasonics

Definitions

  • the present invention relates to a device for cleaning biofilm around an orthodontic device, and more specifically, to an orthodontic cleaning device that can efficiently remove biofilm formed around the device during orthodontic treatment.
  • Orthodontic treatment for diagnosing and treating malocclusion can generally be performed by attaching a fixed orthodontic device to the surface of teeth inside the oral cavity, as shown in FIG. 1. It is known that orthodontic treatment typically takes 1 to 3 years. During such a short treatment period, bacteria in the oral cavity may proliferate due to the fixed orthodontic device attached to the tooth surface, forming a biofilm (or dental plaque) on the tooth surface as shown in FIG. 2.
  • periodontal diseases such as white spot lesions, dental caries, gingivitis, or periodontitis, as shown in FIG. 3, occur. It can occur, and such diseases can cause significant functional and aesthetic problems to patients undergoing orthodontic treatment.
  • biofilm was removed through a cleaning device containing curved parts (e.g., scale tips or scale files, etc.), but this had the problem of making it difficult to remove biofilm between the orthodontic device and the teeth.
  • curved parts e.g., scale tips or scale files, etc.
  • a cleaning device that can easily remove biofilm during orthodontic treatment can be provided.
  • an orthodontic cleaning device capable of removing biofilm formed around a tooth to which the orthodontic device is attached may be provided.
  • the orthodontic cleaning device of the present invention includes a main body having at least one receiving groove; an injection unit connected to the main body and including an injection path for injecting the cleaning liquid provided from the cleaning liquid injection tank into the at least one receiving groove; a discharge part connected to the main body and including a discharge path for discharging the cleaning liquid in the at least one receiving groove into a cleaning liquid discharge tank; a connection housing connected to the main body and having a receiving space therein; and an ultrasonic module, at least a portion of which is accommodated in the receiving space, and configured to apply ultrasonic vibration to the cleaning liquid accommodated in the receiving space.
  • the receiving space may be connected to the at least one receiving groove.
  • It may further include an injection pump disposed in the injection path and configured to generate pressure to inject the cleaning liquid from the cleaning liquid injection tank into the at least one receiving groove.
  • It may further include a discharge pump disposed in the discharge path and configured to generate pressure to discharge the cleaning liquid in the at least one receiving groove into the cleaning liquid discharge tank.
  • the main body part may be formed in the shape of a mouthpiece, the injection part may be connected adjacent to one end of the main body part, and the discharge part may be connected adjacent to the other end of the main body part.
  • the cleaning solution injected into the at least one receiving groove through the injection unit may be configured to be introduced into the receiving space.
  • the ultrasonic module includes an ultrasonic vibrator; And it may include a vibrating horn structure connected to the ultrasonic vibrator.
  • connection housing includes: a first connection portion connected to the main body; and a second connection part connected to the first connection part and configured to receive the ultrasonic module.
  • the orthodontic cleaning device of the present invention includes a main body having at least one receiving groove; a connection housing connected to the main body, having a receiving space therein, and configured to inject the cleaning liquid provided from a cleaning liquid injection tank into the at least one receiving groove; an ultrasonic module, at least a portion of which is accommodated in the receiving space, and configured to apply ultrasonic vibration to the cleaning liquid accommodated in the receiving space; and a discharge portion connected to the main body and configured to discharge the cleaning liquid of the at least one receiving groove.
  • the discharge unit may include: a first discharge unit connected to the main body and including a first discharge path for discharging the cleaning liquid in the at least one receiving groove into a first cleaning liquid discharge tank; and a second discharge part connected to the main body and including a second discharge path for discharging the cleaning liquid in the at least one receiving groove into a second cleaning liquid discharge tank.
  • the ultrasonic module includes an ultrasonic oscillator including a BLT type oscillator; and a vibrating horn structure connected to the ultrasonic vibrator.
  • connection housing may include an injection path for injecting the cleaning solution from the cleaning solution injection tank into the receiving space or the at least one receiving groove.
  • the orthodontic cleaning device according to an embodiment of the present invention can efficiently remove biofilm during orthodontic treatment.
  • the orthodontic cleaning device can remove biofilm formed between the orthodontic device and teeth through excited microbubbles in the cleaning solution.
  • Figure 1 is a photograph showing the inside of the oral cavity with an orthodontic device attached.
  • Figure 2 is a photograph showing the inside of the oral cavity with the biofilm stained.
  • Figure 3 is a photograph showing the inside of the oral cavity in a state where periodontal disease caused by biofilm has occurred.
  • Figure 4 is a perspective view of an orthodontic cleaning device according to an embodiment of the present invention.
  • Figure 5 is a schematic diagram showing an orthodontic cleaning device according to an embodiment of the present invention.
  • FIG. 6 is a cutaway view taken along line A-A' of FIG. 4 according to an embodiment of the present invention.
  • Figure 7 is a schematic diagram showing a cleaning device for correction according to another embodiment of the present invention.
  • the identification code for each step is used for convenience of explanation.
  • the identification code does not explain the order of each step, and each step may be performed differently from the specified order unless a specific order is clearly stated in the context. there is.
  • Figure 4 is a perspective view of an orthodontic cleaning device according to an embodiment of the present invention.
  • Figure 5 is a schematic diagram showing a cleaning device for correction according to an embodiment of the present invention.
  • FIGS. 4 and 5 may be combined with the embodiments of FIGS. 6 and 7 .
  • the orthodontic cleaning device 100 for removing biofilm on teeth includes a main body 110, an injection part 121, a discharge part 125, a connection housing 140, and It may include an ultrasonic module 150.
  • the main body 110 may include at least one receiving groove 115 for receiving the teeth of a user using the orthodontic cleaning device 100.
  • the main body 110 may be generally formed in the shape of a mouthpiece to correspond to the user's teeth, but is not limited to this.
  • the main body 110 may be formed of a non-metallic material, but is not limited thereto.
  • the main body 110 may be made of a rubber material, but is not limited thereto.
  • the at least one receiving groove 115 may have a groove shape recessed in at least a portion of the main body 110. At least one receiving groove 115 may be configured to accommodate the user's upper or lower teeth. For example, when the user's upper teeth are accommodated in at least one receiving groove 115, the cleaning solution distributed in the at least one receiving groove 115 removes the biofilm formed on the user's teeth, or removes the biofilm formed on the user's teeth and It can remove bacteria present in orthodontic appliances.
  • the at least one receiving groove 115 may be one receiving groove formed only on the upper surface of the main body 110, or may be two receiving grooves formed on the upper and lower surfaces of the main body 110, respectively. It is not limited to this.
  • the at least one receiving groove 115 may have a U-shaped shape to generally correspond to the shape of the main body 110, but is not limited thereto.
  • the correction cleaning device 110 may include an injection unit 121 and a discharge unit 125.
  • the injection unit 121 may be connected to one side of the main body 110, and the discharge unit 125 may be connected to the other side of the main body 110.
  • the injection unit 121 may be connected adjacent to one end of the main body 110, and the discharge unit 125 may be connected adjacent to the other end of the main body 110, but the present invention is not limited thereto.
  • the injection unit 121 is connected to at least a portion of the main body 110 to inject the cleaning liquid provided from the cleaning liquid injection tank 11 into at least one receiving groove 115 of the main body 110. It can be distributed.
  • the discharge unit 125 is connected to the at least one part of the main body 110 and another part, so that the cleaning liquid provided from the at least one receiving groove 115 can be distributed to the cleaning liquid discharge tank 12.
  • the cleaning liquid injected through the injection unit 121 may pass through at least one receiving groove 115, and the cleaning liquid passing through at least one receiving groove 115 may be discharged through the discharge unit 125. there is. Through this, the cleaning liquid flows on at least one receiving groove 115, and the flowing cleaning liquid can clean the teeth or the orthodontic device.
  • the injection unit 121 may further include an injection flow path 122 connected to an outer wall (e.g., a portion of the main body 110) forming at least one receiving groove 115, The cleaning liquid may be injected into at least one receiving groove 115 through the injection passage 122.
  • the injection flow path 122 may be connected to at least one receiving groove 115.
  • the discharge portion 125 may further include a discharge passage 126 connected through an outer wall (e.g., another part of the main body 110) forming at least one receiving groove 115. , the cleaning liquid can be discharged from at least one receiving groove 115 through the discharge passage 126.
  • connection housing 140 may be connected to a portion of the main body 110.
  • the connection housing 140 may be connected to the front part of the main body 110 (eg, a part where the user's front teeth are accommodated), but is not limited to this.
  • connection housing 140 may provide an accommodating space 145 for accommodating the ultrasonic module 150.
  • At least a portion of the receiving space 145 may be connected to at least one receiving groove 115. Accordingly, the cleaning liquid may be introduced into the receiving space 145 inside the at least one receiving groove 115, or the cleaning liquid may be introduced into the receiving space 145 into the at least one receiving groove 115. That is, the cleaning liquid may circulate between the receiving space 145 and at least one receiving groove 115.
  • the ultrasonic module 150 may be accommodated in the connection housing 140.
  • the ultrasonic module 140 accommodated in the receiving space 145 may apply ultrasonic vibration to the cleaning liquid introduced into the receiving space 145 from at least one receiving groove 115.
  • the cleaning solution containing microbubbles can be introduced into at least one receiving groove 115 to powerfully clean the user's teeth or orthodontic appliance.
  • the cleaning liquid containing microbubbles introduced into the at least one receiving groove 115 spreads throughout other parts of the at least one receiving groove 115 and is accommodated in the at least one receiving groove 115. It can perform a cleaning action on the user's teeth and orthodontic appliance.
  • the fine bubbles of the cleaning liquid may include gas bubbles or vapor bubbles depending on the intensity of the ultrasonic vibration of the ultrasonic module 150, but are not limited thereto.
  • the ultrasonic module 150 may be an ultrasonic vibration motor including at least one vibrator, but is not limited thereto.
  • At least one part of the ultrasonic module 150 may be inserted into the receiving space 145 and the remaining part may be exposed to the outside of the connection housing 140, but the present invention is not limited to this.
  • the ultrasonic module 150 may be detachably coupled to the connection housing 140, but the present invention is not limited thereto.
  • the correction cleaning device 100 may further include an injection pump 131 and a discharge pump 135.
  • the injection pump 131 may be installed in the injection path 122 inside the injection unit 121, but the installation location is not limited to this. According to one embodiment, the injection pump 131 may generate pump pressure to inject the cleaning liquid from the cleaning liquid injection tank 11 into the injection path 122 and/or the at least one receiving groove 115.
  • the discharge pump 135 may be installed in the discharge path 126 inside the discharge unit 125, but the installation location is not limited to this. According to one embodiment, the discharge pump 135 generates pump pressure to discharge (or discharge) the cleaning liquid from the discharge path 126 and/or the at least one receiving groove 115 to the cleaning liquid discharge tank 12. You can.
  • the cleaning liquid introduced into the at least one receiving groove 115 through the injection part 121 is distributed generally in a counterclockwise direction (e.g., counterclockwise in FIG. 2) and is distributed through the discharge part 125. ) can be discharged through. Additionally, while the cleaning solution is distributed, microbubbles may be formed in the cleaning solution due to ultrasonic vibration applied from the ultrasonic module 150. A cleaning solution in which microbubbles are formed (or contained) can powerfully clean teeth and/or orthodontic appliances.
  • FIG. 6 is a cutaway view taken along line A-A' of FIG. 4 according to an embodiment of the present invention.
  • FIG. 6 may be combined with the embodiments of FIGS. 4 and 5 or the embodiment of FIG. 7 .
  • a biofilm 31 generated by bacteria may be formed on the front of the teeth 30 (e.g., the side of the user's teeth facing outward from the human body) during the orthodontic treatment period.
  • periodontal diseases such as white spot lesions, dental caries, gingivitis, or periodontitis may occur.
  • the orthodontic cleaning device of the present invention (e.g., the tooth cleaning device 100 in FIGS. 4 and 5) forms microbubbles in the cleaning solution flowing in at least one receiving groove 115, and includes the microbubbles.
  • the cleaning solution may clean (or wash) the biofilm 31 formed on the tooth 30.
  • the orthodontic cleaning device 100 of the present invention allows a cleaning solution containing microbubbles to be introduced between the teeth 30 and the orthodontic device even when the orthodontic device (not shown) is attached to the teeth 30.
  • the biofilm 31 can be removed, and bacteria formed in the gaps between parts of the orthodontic device can also be removed.
  • Figure 7 is a schematic diagram showing a cleaning device for correction according to another embodiment of the present invention.
  • FIG. 7 may be combined with the embodiments of FIGS. 4 to 6 .
  • the orthodontic cleaning device 200 (e.g., the orthodontic cleaning device 100 of FIGS. 4 to 5) includes a main body portion 210 in which at least one receiving groove 215 is formed, a first It may include a discharge unit 221, a second discharge unit 225, a connection housing 240 having a receiving space 245, and an ultrasonic module 250.
  • the first discharge part 221 and the second discharge part 225 have a first discharge path 222 and a second discharge path 226, respectively, connected to at least one receiving groove 215. It can be included.
  • the correction cleaning device 200 includes a first discharge pump 231 disposed on the first discharge path 222 of the first discharge part 221 and a second discharge path of the second discharge part 225 ( It may include a second discharge pump 235 disposed in 226).
  • the first discharge pump 231 generates pump pressure to discharge the cleaning liquid in at least one receiving groove 215 into the first cleaning liquid discharge tank 21, and the second discharge pump 235 generates at least one It is possible to create a pump pressure that discharges the cleaning liquid in the receiving groove 215 to the second cleaning liquid discharge tank 22.
  • a receiving space 245 may be formed inside the connection housing 240.
  • the ultrasonic module 250 can be accommodated in the accommodation space 245.
  • connection housing 240 may include a first connection part 241, a second connection part 242, and a third connection part 246.
  • the first connection part 241 may be a part connected to the main body 210 and at least one receiving groove 215.
  • the second connection portion 242 may accommodate the ultrasonic module 250 therein. Meanwhile, the second connection part 242 may have a larger diameter or width than the first connection part 241 to accommodate the ultrasonic module 250.
  • the second connection part 242 may be defined and interpreted as a part connected to the first connection part 241 or a part extending from the first connection part 241, but is not limited thereto.
  • the third connection part 246 may be connected to the second connection part 242.
  • the third connection part 246 may be connected to at least one portion of the side surface of the second connection part 242, but is not limited to this.
  • the third connection part 246 may include an injection path 249 to be connected to the receiving space 245 inside the second connection part 242.
  • the third connection part 246 may also be referred to as an injection part for injecting cleaning liquid into the at least one receiving groove 215.
  • the orthodontic cleaning device 200 may include an injection pump 239 disposed within the injection path 249.
  • an infusion pump 239 may be disposed in the infusion path 249.
  • the injection pump 239 may generate pump pressure to inject the cleaning liquid in the cleaning liquid injection tank 13 into the injection path 249 and the receiving space 245.
  • the ultrasonic module 250 may be disposed inside the second connection portion 242.
  • the ultrasonic module 250 may include an ultrasonic vibration motor 251 and a vibrating horn structure 252 connected to the ultrasonic vibration motor 251.
  • the ultrasonic vibration motor 251 may be an ultrasonic vibration motor including a bolt-clamped langevin transducer (BLT) type vibrator, but is not limited thereto.
  • BLT bolt-clamped langevin transducer
  • the vibrating horn structure 252 is connected to the ultrasonic vibration motor 251 and can apply ultrasonic vibration provided from the ultrasonic vibration motor 251 to the inside of the receiving space 245 as a cleaning liquid.
  • the vibrating horn structure 252 may include at least one of a bar type horn or a block type horn, but is not limited thereto.
  • the vibrating horn structure 252 is made of various materials or structures that amplify the ultrasonic vibration provided through the ultrasonic vibration motor 251 and apply the amplified ultrasonic vibration to the cleaning liquid inside the receiving space 245. You can have
  • the outer peripheral surface (or outer surface) of the vibrating horn structure 252 may be spaced a predetermined distance from the inner peripheral surface (or inner surface) of the second connection portion 242. Accordingly, it is possible to secure a larger contact area between the vibrating horn structure 252 and the cleaning liquid inside the receiving space 245.
  • the cleaning liquid in the cleaning liquid injection tank 13 may be introduced into the receiving space 245 through the injection path 249. Ultrasonic vibration may be applied to the cleaning liquid introduced into the receiving space 245 to form microbubbles.
  • the cleaning solution in which microbubbles are formed can be introduced into at least one receiving groove 215 to clean the user's teeth or orthodontic appliance accommodated in the at least one receiving groove 215.
  • the cleaning liquid introduced from the receiving space 245 into the at least one receiving groove 215 is discharged into the first cleaning liquid discharge tank 21 and the second discharge path 226 through the first discharge path 222 and the second discharge path 226. It may be discharged into the cleaning liquid discharge tank 22. Meanwhile, according to the illustrated embodiment, some of the cleaning liquid introduced from the receiving space 245 into the at least one receiving groove 215 may flow clockwise toward the first discharge path 222, and may be distributed clockwise toward the first discharge path 222. The remainder may be distributed counterclockwise toward the second discharge path 226.

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  • Health & Medical Sciences (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)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

Un dispositif de nettoyage orthodontique est divulgué. Le dispositif de nettoyage orthodontique de la présente invention peut comprendre : une partie corps principal ayant au moins une rainure de réception ; une partie d'injection qui est raccordée à la partie corps principal et comprend un trajet d'injection pour injecter un liquide de nettoyage fourni à partir d'un réservoir d'injection de liquide de nettoyage dans la ou les rainures de réception ; une partie d'évacuation qui est raccordée à la partie corps principal et comprend un trajet d'évacuation pour évacuer le liquide de nettoyage de la ou des rainures de réception dans un réservoir d'évacuation de liquide de nettoyage ; un boîtier de raccordement qui est raccordé à la partie corps principal et a un espace de réception formé à l'intérieur de celui-ci ; et un module ultrasonore au moins partiellement reçu dans l'espace de réception et configuré pour appliquer des vibrations ultrasonores au liquide de nettoyage reçu dans l'espace de réception. Divers autres modes de réalisation sont également possibles.
PCT/KR2023/018753 2022-11-22 2023-11-21 Dispositif de nettoyage orthodontique pour éliminer un biofilm autour d'un dispositif orthodontique WO2024112061A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220157675A KR20240075572A (ko) 2022-11-22 2022-11-22 교정장치 주위의 바이오 필름 제거를 위한 교정용 세정 장치
KR10-2022-0157675 2022-11-22

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WO2024112061A1 true WO2024112061A1 (fr) 2024-05-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001120579A (ja) * 1999-10-25 2001-05-08 Osada Res Inst Ltd 歯肉治療具
JP2006101941A (ja) * 2004-09-30 2006-04-20 Nidek Co Ltd 口腔洗浄装置
KR20160111706A (ko) * 2015-03-17 2016-09-27 삼성전자주식회사 구강 청결 기구
KR20170002096A (ko) * 2015-06-29 2017-01-06 민준기 극소형 초박막 초음파 용착기를 이용한 바이러스 예방 및 살균장치
CN106691613A (zh) * 2017-02-12 2017-05-24 唐娟 洗牙器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001120579A (ja) * 1999-10-25 2001-05-08 Osada Res Inst Ltd 歯肉治療具
JP2006101941A (ja) * 2004-09-30 2006-04-20 Nidek Co Ltd 口腔洗浄装置
KR20160111706A (ko) * 2015-03-17 2016-09-27 삼성전자주식회사 구강 청결 기구
KR20170002096A (ko) * 2015-06-29 2017-01-06 민준기 극소형 초박막 초음파 용착기를 이용한 바이러스 예방 및 살균장치
CN106691613A (zh) * 2017-02-12 2017-05-24 唐娟 洗牙器

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