EP4057897A1 - Device for monitoring an oral hygiene state, and method for producing a device for monitoring an oral hygiene state - Google Patents
Device for monitoring an oral hygiene state, and method for producing a device for monitoring an oral hygiene stateInfo
- Publication number
- EP4057897A1 EP4057897A1 EP20807718.0A EP20807718A EP4057897A1 EP 4057897 A1 EP4057897 A1 EP 4057897A1 EP 20807718 A EP20807718 A EP 20807718A EP 4057897 A1 EP4057897 A1 EP 4057897A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support matrix
- support
- sensor unit
- user
- sensor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/14539—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring pH
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
- A61B5/4261—Evaluating exocrine secretion production
- A61B5/4277—Evaluating exocrine secretion production saliva secretion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
- A61B5/4542—Evaluating the mouth, e.g. the jaw
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/682—Mouth, e.g., oral cavity; tongue; Lips; Teeth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6835—Supports or holders, e.g., articulated arms
Definitions
- Device for monitoring a condition of the mouth and method for producing a device for monitoring a
- the present invention relates to a device for monitoring an oral hygiene state and a corresponding method for the produc- tion of a device for monitoring an oral hygiene state and a method for attaching a device for monitoring an oral hygiene state in an oral cavity.
- Devices for monitoring a state of oral hygiene are known in the prior art.
- a device for monitoring a state of oral hygiene is described in which the disclosed device is able to determine the individual development of the pH value in the oral cavity of a user from the values measured in the past To learn the pH value in the oral cavity of a specific user.
- the oral cavity of a user can be monitored and the user can be informed that measures must be taken to ensure the health of their teeth.
- the measures can in particular involve brushing the teeth.
- the measures can also include rinsing out the oral cavity or consuming yoghurt to neutralize the pH value in the oral cavity of the user.
- the previously known devices for monitoring an oral hygiene state offer the advantage of improved oral hygiene, so that in general a significant reduction in caries formation can be achieved through the use of such monitoring devices. This can significantly reduce the number of interventions required when a tooth is already damaged.
- the devices known to date for monitoring a state of oral hygiene are also associated with certain disadvantages.
- the object of the present invention is to provide a device for monitoring a state of hygiene in the oral cavity of a user which is hardly or not at all perceived by the user. This is intended to increase the comfort of the user and at the same time the acceptance of the devices mentioned for monitoring a state of oral hygiene.
- a device for monitoring a state of hygiene in the oral cavity of a user with a support matrix; and a pH sensor unit embedded in the support matrix; wherein the support matrix has a first side with a first exterior surface; and the first outer surface is adapted to be attached to a tooth of the user; and a second side with a second outer surface; wherein the second outer surface is adapted to be arranged in contact with saliva located in the oral cavity; wherein the pH sensor unit has a sensor surface; and the sensor unit is arranged within the support matrix in such a way that the sensor surface of the sensor unit is arranged in contact with saliva.
- the material of the support matrix can be selected in such a way that an improved compatibility of the device in the oral cavity of the user can be achieved.
- the pH sensor unit is usually made of metal and metal is taken up by the users as a foreign body, it is possible to embed the pH sensor unit in a support matrix that is perceived as more natural to the user and therefore less noticeable in the oral cavity .
- the support matrix can be made of plastic, ceramic or a composite.
- the embedding of the pH sensor unit in the support matrix offers the advantage that the sensor unit is protected by the support matrix, whereby the service life of the pH sensor unit can be increased.
- the pH sensor unit is completely embedded in the support matrix.
- the second outer surface of the support matrix and the sensor surface form a continuous transition.
- the pH sensor unit or the sensor surface do not protrude from the support matrix.
- the pH sensor unit can have an integrated network unit or an integrated communication module which transmits the recorded pH values to an evaluation and output unit.
- the evaluation and output unit can be, for example, a smartphone that evaluates the measured values received and then generates a recommendation to the user.
- the recommendation can be acoustically or optically in particular respectively. Alternatively, it can also be provided that the recommendation is made via a vibration signal.
- the support matrix is designed in the shape of a hump.
- the support matrix essentially has the shape of a tooth hump. This has the advantage that hump shapes are already present in the human dentition, so that the user no longer finds the device, which is designed in the shape of a hump, as a foreign body.
- the large rear molars usually have four cusps, while the small front molars (the so-called premolars) usually have two or three cusps.
- the hump-shaped design of the support matrix means that the device according to the invention or the pH sensor unit is provided in a form that is perceived by the user as being particularly natural and is therefore perceived as particularly inconspicuous.
- the support matrix is designed in the form of an accessory cusp.
- An accessory (additional) hump is also referred to in technical terms as a Carabelli tubercle or a Carabelli hump.
- An accessory hump is often made somewhat smaller than a conventional hump and can be viewed as a particularly inconspicuous shape in the oral cavity.
- the second outer surface of the support matrix has a curved shape, the second outer surface in particular having a convexly curved shape.
- a particularly natural shape of the device according to the invention can be provided, which is perceived by the user as inconspicuous and not disruptive.
- the sensor surface of the pH sensor unit is curved.
- the sensor surface can also be particularly convex. According to a preferred embodiment it can be provided that the sensor surface adjoins the second outer surface of the support matrix.
- the curved sensor surface offers a continuous transition to the outer surface.
- the curved sensor surface adjoins the second outer surface of the support matrix and, together with this, forms a continuously differentiable curve.
- a particularly natural form of the device according to the invention can be provided, which is not or hardly perceived by the user as a foreign body.
- the support matrix has a cross-sectional area with an essentially parabolic contour. It can also be provided that the support matrix has a rotationally symmetrical shape.
- the aforementioned forms of the support matrix are particularly advantageous because they are perceived as particularly natural and can therefore improve wearing comfort.
- the support matrix made of a plastic material or a ceramic material is made.
- the materials mentioned offer the advantage that they are particularly well tolerated and thus contribute to increased comfort.
- the device has a network unit which is embedded within the support matrix, the network unit being connected to the sensor element and wherein the network unit is preferably neither on the first outer surface of the support matrix is adjacent to the second outer surface of the support matrix.
- the network unit is preferably completely integrated in the support matrix, so that it can be protected from saliva. This is particularly advantageous because human saliva can have a considerable acid content, as a result of which the network unit can be attacked.
- the network unit can in particular have a Bluetooth module.
- the device according to the invention can have a rechargeable energy source that can in particular be charged wirelessly. Charging can take place, for example, via an induction charger, so that no battery change is required.
- the support mold having a cavity and an inner surface surrounding the cavity and an outer surface opposite the inner surface;
- the use of the support mold advantageously makes it possible to provide a support matrix that can be individually adapted so that a particularly natural and inconspicuous shape for the device according to the invention can be produced.
- the pH sensor unit prefferably be arranged within the cavity of the support form in such a way that the sensor surface of the sensor unit is oriented in such a way that it is in contact with saliva when it is installed in the oral cavity.
- a liquid photopolymer is used as filler material, which can be cured under the action of light, the step of curing the filler material preferably comprising illuminating the liquid photopolymer with a light source.
- the light source can be designed as a UV light source, for example.
- other light curing devices also known as polymerization devices
- halogen lamps or LEDs can be used, which for example have an emission spectrum in the blue color range. All other light curing devices that are suitable for curing the corresponding photopolymer can also be used. In this way, a simple production of the device according to the invention is made possible. In addition, a relatively short production time is guaranteed.
- the support shape has an essentially parabolic cross-section.
- a support matrix can be provided which has a parabolic cross section and which is perceived by the user as being particularly natural and inconspicuous.
- the support form can also have a rotationally symmetrical cavity.
- the support shape has a convexly curved outer surface having. As already stated above, the convexly curved outer surface can be particularly advantageous and serve to provide a natural shape of the device according to the invention.
- the anatomy of the support shape is virtually planned in advance and adapted to the specific shape of a tooth of the user after a three-dimensional scan of the corresponding tooth has been recorded.
- This has the advantage that an optimally designed support shape can be provided which is adapted to the individual tooth shape of the user.
- the individual shape of the user's tooth cusp is determined by the three-dimensional scan and the support shape is adapted to the specific shape of the user's tooth cusp.
- the support shape can be designed in such a way that the support matrix corresponds to the shape of a tooth hump or is smaller by a predetermined factor than a tooth hump of the user.
- the support matrix provided by the support mold has dimensions which correspond to 2/3, 0.5 or 1/3 of the dimensions of a tooth hump of the user.
- the proposed method makes it possible to simplify the attachment of the device according to the invention in an oral cavity.
- the use of the dental splint has the particular advantage that the device according to the invention can more easily cure at the desired location because it can be fixed in the place where it is to be attached for the desired time.
- a simplification of the attachment of the device according to the invention has the advantage that any errors that may result from manual attachment of the device according to the invention are significantly reduced.
- by attaching the device according to the invention via a toothed splint it can be achieved that the positioning can be embedded in a digital process.
- the design of the accessory hump can also be taken into account in this way.
- FIGS. 1 to 10 different embodiments of the device according to the invention and the method according to the invention.
- FIG. 1 shows the device 10 according to the invention for monitoring a state of oral hygiene, which is arranged in an oral cavity.
- the device 10 is arranged on a tooth 12 in the lower jaw 14 of a user.
- the device 10 is attached to the inside 12a of the tooth 12. Due to its natural and rounded shape, the device 10 according to the invention is hardly noticed by the user.
- FIG. 2 An enlarged illustration of the device 10 is shown in FIG. 2.
- the device 10 has a pH sensor unit 10a which is embedded in a support matrix 10b. Embedding the pH sensor unit 10a in the support matrix 10b makes it more advantageous Way enables the shape of the device according to the invention to be adapted at will, so that it assumes a particularly inconspicuous and natural shape and is therefore hardly perceived by the user in the oral cavity.
- FIG. 3 shows a perspective illustration of the device 10 according to the invention arranged on the inside 12a of the tooth 12. The user perceives the device 10 according to the invention as an additional hump on the molar tooth 12 and therefore does not perceive the device 10 as a foreign body.
- FIGS. 4 and 5 show an enlarged side view of various embodiments of the device 10 according to the invention.
- the pH sensor unit 10a has a flat sensor surface 10c.
- the pH sensor unit 10a is embedded in the support matrix 10b on the second side 10g of the support matrix 10b, which is arranged on the first side 10f of the support matrix 10b. While the first outer surface 10d of the support matrix 10b is designed to be attached to a tooth of the user, the second outer surface 10e of the support matrix 10b is designed to be arranged in contact with saliva that is located in the oral cavity of the user. In this respect, the sensor surface 10c is also arranged in such a way that it is in contact with the saliva located in the oral cavity and can thus measure the current pH value in the oral cavity.
- FIG. 5 shows an embodiment of the device 10 according to the invention, in which the pH sensor unit 10a has a curved sensor area 10c.
- the sensor surface 10c directly adjoins the second outer surface 10e of the support matrix 10b.
- the device 10 according to the invention offers a continuous and smooth transition between the second outer surface 10e of the support matrix 10b and the sensor surface 10c. In this way, the device 10 according to the invention offers a particularly natural shape which is inconspicuous for the user and which is perceived as particularly pleasant.
- FIGS. 6A to 6C show an exemplary embodiment of the method according to the invention. It can be seen in FIG. 6A that a support form 18 is provided, by means of which the desired form of the support matrix can be given.
- the support form 18 has an inner surface 18a as well as an outer surface 18b opposite the inner surface 18a. In the embodiment shown, the inner surface 18a and the outer surface 18b are curved. In addition, the support form 18 has an opening 18c.
- the support form 18 is placed on a support element 16, the support element 16 being plate-shaped in this exemplary embodiment and having a first surface 16a.
- a pH sensor unit 10a is placed in the cavity 18d of the support mold 18. Since the sensor surface 10c rests on the first surface 16a of the support element 16. Then the cavity 18d of the support mold 18 is filled with a filling material. Finally, the filler material is cured so that the final shape of the device 10 according to the invention is obtained, which is shown in FIG. 6C.
- the cured filling material finally forms the support matrix 10b of the device according to the invention 10.
- the pH sensor unit 10a and the support matrix 10b are stably connected to one another and together form the device 10 according to the invention.
- FIGS. 6A to 6C offers the advantage that the device 10 according to the invention can be manufactured particularly easily and that the support form 18, which has an opening 18c, can be positioned in a simple manner on the support element 16 so that the filling can be carried out the support form 18 and the subsequent curing of the filler material takes place particularly easily.
- FIGS. 7A to 7C show a further exemplary embodiment of the method according to the invention for producing the device 10 according to the invention.
- the exemplary embodiment illustrated in FIGS. 6A to 6C comprises the embodiment shown in FIGS. 7A to 7C shown support form 18 no opening 18c.
- the support form 18 is designed as a down to closed form.
- the pH sensor unit 10a is arranged within the cavity 18d of the support form 18.
- the pH sensor unit 10a shown in this exemplary embodiment has a curved sensor surface 10c that fits into the curved inner surface 18a of the support form 18.
- the cavity 18d is filled with a liquid filler material.
- the filling material is then cured, so that the shape of the support matrix 10b shown in FIG. 7C is achieved.
- FIGS. 7A to 7C has the advantage that it enables the production of a device 10 according to the invention in which a curved sensor surface 10c is provided.
- a convexly curved sensor surface is perceived by the user as particularly pleasant and natural.
- FIG. 8 shows a flow chart for describing a first exemplary embodiment (S100) of the method according to the invention.
- a support form 18 is first provided (S110).
- a pH sensor unit 10a is then arranged within the support form 18 (S120).
- the support mold 18 is then filled with a filler material (S130). Finally, the filler material is cured (S140).
- a second embodiment of the method according to the invention is shown (S200).
- a support form 18 is provided (S210) and the pH sensor unit 10a is arranged within the support form 18 (S220)
- the support form 18 is filled with a liquid photopolymer (S230) according to the exemplary embodiment shown in FIG. 9.
- the photopolymer is then illuminated for curing (S240).
- a UV light source can be used to illuminate the photopolymer.
- Other types of curing lights based on halogen lamps and LED lights, for example, can also be used.
- the emission wavelength of the light source used can be adapted in particular to the photosensitive material, so that particularly efficient curing is ensured. In this way the curing time can be reduced so that the total time required for the production method according to the invention is significantly reduced.
- FIG. 10 shows an embodiment of the method according to the invention for attaching the device 10 according to the invention in an oral cavity.
- a toothed splint 20 is used for the attachment of the device 10.
- the device 10 according to the invention is introduced into the toothed splint 20 and the toothed splint 20 is used by the user.
- the device 10 according to the invention can be arranged at the desired location on the dentition of the user and then fixed in this position.
- the dental splint 20 is inserted into the dentition of the user, the hardening of a fastener takes place, the hardening as already described above being able to take place analogously to the hardening of the photosensitive filler material.
- a UV light source can also be used to cure the fastening material. It is also possible to explicitly use other light curing devices that have, for example, an emission spectrum that is within the visible range. For example, as described above, LED lamps can be used that emit rich in the blue Be. After the device 10 according to the invention is fixed at the desired location of the dentition, the dental splint 20 can be removed again ent.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Endocrinology (AREA)
- Gastroenterology & Hepatology (AREA)
- Physiology (AREA)
- Physical Education & Sports Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Optics & Photonics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019130817.8A DE102019130817A1 (en) | 2019-11-14 | 2019-11-14 | Device for monitoring an oral hygiene condition and method for producing a device for monitoring an oral hygiene condition |
| PCT/EP2020/082064 WO2021094539A1 (en) | 2019-11-14 | 2020-11-13 | Device for monitoring an oral hygiene state, and method for producing a device for monitoring an oral hygiene state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4057897A1 true EP4057897A1 (en) | 2022-09-21 |
Family
ID=73452199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20807718.0A Withdrawn EP4057897A1 (en) | 2019-11-14 | 2020-11-13 | Device for monitoring an oral hygiene state, and method for producing a device for monitoring an oral hygiene state |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4057897A1 (en) |
| DE (1) | DE102019130817A1 (en) |
| WO (1) | WO2021094539A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH694752A5 (en) * | 2000-04-03 | 2005-07-15 | Markus P Lorch | Equipment for application of decorative item to tooth uses bedding - in material on surface or in surface cavity of tooth |
| US7364428B2 (en) * | 2006-06-07 | 2008-04-29 | 3M Innovative Properties Company | Orthodontic indirect bonding tray with moisture control |
| US20170020402A1 (en) * | 2015-05-04 | 2017-01-26 | The Board Of Trustees Of The University Of Illinois | Implantable and bioresorbable sensors |
| DE102017211085A1 (en) * | 2017-06-29 | 2019-01-03 | Henkel Ag & Co. Kgaa | "Method and system for determining an oral hygiene recommendation" |
| US11638535B2 (en) * | 2018-01-19 | 2023-05-02 | UCHU Biosensors, Inc. | Long-term, continual, wireless, intraoral monitor |
-
2019
- 2019-11-14 DE DE102019130817.8A patent/DE102019130817A1/en not_active Withdrawn
-
2020
- 2020-11-13 EP EP20807718.0A patent/EP4057897A1/en not_active Withdrawn
- 2020-11-13 WO PCT/EP2020/082064 patent/WO2021094539A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021094539A1 (en) | 2021-05-20 |
| DE102019130817A1 (en) | 2021-05-20 |
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