WO2021245489A1 - Outils de restauration dentaire à protection de la langue - Google Patents

Outils de restauration dentaire à protection de la langue Download PDF

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Publication number
WO2021245489A1
WO2021245489A1 PCT/IB2021/054213 IB2021054213W WO2021245489A1 WO 2021245489 A1 WO2021245489 A1 WO 2021245489A1 IB 2021054213 W IB2021054213 W IB 2021054213W WO 2021245489 A1 WO2021245489 A1 WO 2021245489A1
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WO
WIPO (PCT)
Prior art keywords
mold body
patient
lingual
facial
tooth
Prior art date
Application number
PCT/IB2021/054213
Other languages
English (en)
Inventor
Christopher R. Kokaisel
Joseph C. DINGELDEIN
James D. Hansen
Original Assignee
3M Innovative Properties Company
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Filing date
Publication date
Application filed by 3M Innovative Properties Company filed Critical 3M Innovative Properties Company
Publication of WO2021245489A1 publication Critical patent/WO2021245489A1/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
    • A61C5/00—Filling or capping teeth
    • A61C5/70—Tooth crowns; Making thereof
    • A61C5/77—Methods or devices for making crowns
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0001—In-situ dentures; Trial or temporary dentures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/08—Artificial teeth; Making same
    • A61C13/081—Making teeth by casting or moulding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/20—Repairing attrition damage, e.g. facets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/80—Dental aids fixed to teeth during treatment, e.g. tooth clamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/80—Dental aids fixed to teeth during treatment, e.g. tooth clamps
    • A61C5/85—Filling bands, e.g. matrix bands; Manipulating tools therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0004—Computer-assisted sizing or machining of dental prostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/90—Oral protectors for use during treatment, e.g. lip or mouth protectors

Definitions

  • the engagement portions 18a, 18b of the facial mold body 12 are structured to engage with or interlock with the engagement portions 31, 32, and 33 on the lingual mold body 14, as explained in more detail below in reference to Figures 9, 10A, and 10B.
  • the facial body 12 includes one or more apertures 34, which may each be configured to align with a portion of a facial surface of a respective tooth of the patient to be restored.
  • the portion is a majority of the facial surface of the tooth to be restored.
  • aperture 34 may be configured to align with a portion comprising a majority of a facial surface of one tooth and aperture 34 may be configured to align with a portion comprising a majority of a facial surface of another tooth.
  • the surface of the tooth to be restored and aligned with the respective apertures 34 may, for example, be defined by existing tooth structure or by the dental restoration formed using the facial mold body 12 and lingual mold body 14.
  • the facial mold body 12 may include a first alignment member 52, which assists in properly aligning the facial and lingual mold bodies 12, 14 and tongue guard 100 before interlocking them together.
  • the first alignment member 52 is a post that is sized to fit with the second alignment member 54 in the lingual mold body 14, shown as a slot 55 in Figures 4-6.
  • the facial mold body 12 and lingual mold body 14 may be configured to combine with at least one tooth of the patient to define a mold cavity encompassing at least a portion of desired tooth structure of the tooth or teeth to be restored.
  • door body 40 could include a vent.
  • a vent may be configured to allow excess restorative material to flow out of a mold cavity, which may be removed prior to curing (e.g., with a scalar instrument), providing for easier removal of flash.
  • a vent may be configured to allow air to flow out of the mold cavity.
  • Custom tool 10 may include a lingual mold body 14, which may also be configured to provide a personalized, unique, and customized fit with the at least one tooth of the patient.
  • Figures 4, 5, and 6 illustrate views of one embodiment of the lingual mold body 14.
  • Facial mold body 12 and lingual mold body 16 may be configured to combine with the at least one tooth of the patient to form the mold cavity.
  • facial mold body 12 and lingual mold body 14 may be configured to mate with one another and/or to be attached to the at least one tooth to form the mold cavity.
  • lingual mold body 14 is separable from and engageable with the facial mold body 12, while maintaining the integrity of the respective mold bodies, through use of their engagement portions 18, 19.
  • the lingual mold body 14 may also include a custom gingival surface.
  • the lingual mold body 14 may include a custom lingual rib 39 to provide additional clamping or mating to the individual patient’s mouth.
  • a rib 108 which is useful for connecting the tongue guard 100 to the lingual mold body 14.
  • the rib 108 snap fits between the rib 39 and the second alignment member 54 of the lingual mold body 14.
  • the rib 108 of the tongue guard 100 is also designed to align longitudinally with the rib 39 of the lingual mold body 14.
  • the rib 108 of the tongue guard 100 may be integrally formed with the rib 39 of the lingual mold body 12.
  • the two portion, the lingual mode body 12 and tongue guard 100 may be integrally formed together into one-piece, as illustrated in Figure 12C.
  • the tongue guard can be united to the lingual mold body in a 3D design environment via aligning, scaling and Boolean operations and then physically formed via 3D printing.
  • the tongue guard 100 mates or connects with the lingual mold body 14, and then the lingual mold body 14 mates or connects with the facial mold body 12.
  • the tongue guard 100 may instead connect directly to the facial mold body 12.
  • the connection may be designed over the occlusal or incisal surfaces of the teeth.
  • the apertures 106 could come a variety of shapes and sizes.
  • the apertures in Figures 7 and 8 show two different shaped apertures 106a, 106b.
  • Aperture 106a is sized and shape to connect with the first alignment member 52 and second alignment member 54.
  • a practitioner may first place the lingual mold body 14 and tongue guard 100 together by connecting the two portions together.
  • the two portions 14, 100 may interlock by placing the rib 108 of the tongue guard in alignment with the rib 39 of the lingual bold body and snapping the rib 108 in between the rib 39 and the second alignment member 54.
  • the two portions 14, 100 may interlock by placing the second alignment member 54 into the aperture 106a. Then, the practitioner may place the interlocked tongue guard 100 and lingual mold body 14 behind the patient’s teeth, with the second alignment member 54 centered adjacent the occlusal surfaces of the patient’s teeth.
  • mold bodies 12, 14 and guard 100 could include indicia or alignment features (e.g., visual indicators, other forms of mechanical mating features, keyholes, notches, and the like) to help a practitioner properly align and easily engage facial mold body 12, tongue guard 100, and lingual mold body 16 with one another.
  • the facial and lingual mold bodies 12, 14 are preferably made of somewhat flexible and elastic materials to bend them at certain radiuses to successfully interlock them together, as illustrated in Figures 10A and 10B.
  • a practitioner will interlock the mold bodies 12, 14 together by placing the protrusions 20a, 20b into the corresponding indentations 30a, 30b.
  • the release tabs 22a, 22b may optionally be used to help fit protrusions 20a, 20b into the indentations 30a, 30b.
  • Custom tools can be made from the full range of 3D printed materials, molded polymeric material or CAD/CAM shaped polymeric materials having certain desired strength, flexibility, translucency, or color.
  • the mold material can be polymeric material that may be transparent, translucent, or opaque.
  • clear or substantially transparent polymeric material may include, for example, one or more of amorphous thermoplastic polymers, semi-crystalline thermoplastic polymers and transparent thermoplastic polymers chosen from polycarbonate, thermoplastic polyurethane, acrylic, polysulfone, polyprolylene, polypropylene/ethylene copolymer, cyclic olefin polymer/copolymer, poly-4-methyl-l-pentene or polyester/polycarbonate copolymer, styrenic polymeric materials, polyamide, polymethylpentene, polyetheretherketone and combinations thereof.
  • the mold may be chosen from clear or substantially transparent semi -crystalline thermoplastic, crystalline thermoplastics and composites, such as polyamide, polyethylene terephthalate.
  • the custom tool 10 is designed to ensure a relatively tight fit between the mold bodies 12, 14 to help reduce or eliminate the flash that occurs along the edge where the two mate together. Any flash that does occur may be very thin along the incisal edge and may be relatively easily removed with a dental instrument. By providing a relatively tight fit along the incisal edge or another edge of mold bodies 12,14, this may help excess restorative material preferentially flow toward a vent, if included(where flash may be relatively easily seen and removed during finishing of the restoration.
  • the degree of clamping force between the facial mold body 12 and the lingual mold body 14 should be tailored to balance the security of the installed tool 10 around the patient’s teeth and tongue, and sealing it against the teeth with ease of installation into and removal from the patient’s mouth.
  • the degree of clamping force can be increased by increasing the stiffness of the mold bodies 12, 14 via materials, geometry the amount of shortening of the facial mold body 12, and/or reduction of the radius of curvature of the facial mold body 12.
  • Modifications to the mold bodies 12, 14 can be applied across the mold bodies, for instance by applying an appropriate shrinkage factor, or they can be applied locally to various regions of the mold bodies and/or latching mechanism between the two.
  • Latch securement and ease of engagement and removal can be tailored by adjusting the latching angle, length of the latching surfaces (engagement surface) 31 32, 33 and topography of the surfaces 24, 26, 28 to obtain the best balance of performance.
  • Tools such as finite element modeling can be used to predict the appropriate parameters for a given custom tool based on test results of previously tested cases.
  • Machine learning can be applied to improve prediction capability over time, including feedback on clinical performance from practitioners.
  • Digital design and manufacturing, such as 3D printing or CNC machining, is particularly helpful in creating custom tool molds with active clamping forces.
  • Figure 11 illustrates the custom tool 10 assembled outside of the mouth of the patient.
  • Figures 12A, 12B, and 12C illustrate the custom dental restorative tool 10 clamped appropriately around the patient’s teeth 72 in the mouth 70 of the patient and illustrates how the tongue guard 100 inhibits the tongue 150 from interfering with the planned restoration.
  • the tongue 150 is contacting with the second surface 104 of the tongue guard 100.
  • the benefits of the tongue guard are described above.
  • the first engagement portions 18a, 19a of the facial and lingual mold bodies 12, 14 are interlocked together within the mouth, offset from the occlusal surfaces of the premolars and extending the direction of the patient’s tongue 150.
  • the second engagement portions 18b, 19b of the facial and lingual mold bodies 12, 14 are interlocked.
  • the lingual mold body 14, tongue guard 100, and facial mold body 12 are all designed and shaped to sit in the patient’s mouth 70 comfortably due to their custom shape.
  • the patient is having four teeth restored.
  • Figures 13A-13D are convenient for illustrating the method steps for using the custom tool 10 of the present invention after the custom tool is properly applied in the patient’s mouth 70.
  • Figure 13 A illustrates some of the doors 40 opened to allow access to the teeth 72a, 72b to be restored, which are illustrated as broken.
  • Figure 13B illustrates restorative material 80 applied to the teeth to be restored.
  • Figures 13C illustrates custom tool 10 with doors closed during the curing of the restorative material 80 within the custom tool 10.
  • Figure 13D illustrates the teeth 72 of the patient’s mouth 70 restored.
  • apertures 34 of tool 10 may allow the practitioner to apply the restorative material 80 directly to the tooth to be restored. However, in other examples, the practitioner may apply the restorative material 80 to the tooth to be restored or to mold body 12, 14 before applying mold bodies 12, 14 over the teeth 72 of the patient.
  • One preferable dental restorative material is FiltekTM Supreme Universal A2TM, commercially available from 3M Company based in St. Paul, Minnesota.
  • the practitioner may then close the door bodies 40 within the corresponding apertures 34 ( Figure 13C).
  • the inner surfaces 42 of door bodies 40 and the mold surfaces 64 may be used to shape one or more layers of restorative material 80 on the facial, incisal, occlusal, interproximal, or lingual surface of the tooth 72, to compress restorative material 80 within the mold cavity, or any combination thereof.
  • the practitioner may place a release film on at least a portion of a surface 42 of the door 40 before placing the door 40 within its respective aperture 34.
  • the release film may reduce the likelihood of trapping air within the mold cavity during stamping of the restorative material 80 with the door and/or may facilitate release of restorative material 40 from the surface 42 of the door 40.
  • the practitioner may apply a coating on at least a portion of a surface 42 of the door 40 and/or the door body before placing the door 40 within the respective aperture 34.
  • the coating may reduce the likelihood of trapping air within the mold cavity during stamping of the restorative material with the door and/or may facilitate release of restorative material from the surface of the door. Release coatings may also be applied to any of the mold components during the manufacturing process.
  • the introduction of the restorative material 80 into mold cavity may have enough force to separate parts of mold bodies 12, 14 from each other, thereby providing less of an engagement between facial mold body 12 and lingual mold body 14 and/or less of a customized fit with one or more teeth.
  • the engagement portions 18, 19 help mold bodies 12, 14 self-align with each other and stay firmly fixed relatively to each other.
  • the internal groves or channeling 105 leads to a port or fitting sized to accept commonly available vacuum tubing (with vacuum used) in a dental operatory.
  • this embodiment includes saliva intake ports 112. They are used for fluid/saliva management when active vacuum source (not illustrated) is connected and applied to ports 112.
  • positive pressure “air” or other gas could be connected to a port 110 to provide a purging effect through the channeling 105, possibly with a corresponding outlet array directing the air/gas flow to a target area and/or air suction into another areas.
  • Such strategies can be useful in managing both fluid and air flow during the procedure to minimize contamination of restoration surfaces and operatory room environments by saliva, blood, anesthetic gases, respiratory gases, respiratory droplets, etc.
  • the internal channeling 105 could be where the channeling is arranged to provide thermal transport, either “warming” or “cooling” functions, when a temperature controlled fluid (i.e. water) is ported to the internal channeling.
  • a temperature controlled fluid i.e. water
  • the channeling trajectory, section, and/or density design could be customized to a patient’s anatomy or be specific to the given treatment of that patient. For instance, one patient might prefer heat or cooling on one side of the mouth and or tongue or more vacuum or purge on one side or region of the mouth versus the other regions. Such customizations could be asymmetric or concentrated to suit the needs and comfort of the individual patient.
  • the custom molds of the present invention are advantageous of those of the prior art. As one example U.S. Patent No.
  • the interlocking engaging portions of the present invention are not placed along the interface, rather they are separately located away from the interfacial surface.
  • the interface between the lingual and facial molds is not expanded or complicated by fine alignment features, rather it is smooth, easy to seat closed, and easy to verify that it is seated.
  • the present latching mechanism (interlocking engaging portion) is physically separated from the areas where flash may be expressed during filling.
  • the present latching mechanism interlocking engaging portion is separately activated from the seating and releasing of the facial and lingual molds by easy-to-grasp tabs.
  • the present latching mechanism (interlocking engaging portion) can be configured to provide a designed interference between facial and lingual molds such that a residual seating pressure exists when the engagement portions are interlocked, even when the facial and lingual molds are closed. This seating pressure helps to keep the custom tool remain securely shut even under the pressure of composite filling.
  • Custom tools as described herein may be formed based on a digital model of the teeth and mouth of an individual patient, which can be produced an intra-oral 3D scan, such as a multi-channel scanner.
  • the custom tools may be digitally designed using CAD software, such as solid modeling software based on the digital model.
  • Custom tool was designed to fit over the tooth or teeth to be restored teeth (the restorative portion) and a portion of the neighboring teeth (the engagement portions).
  • the tooth structure of teeth may be digitally subtracted from a mold block.
  • an inverse of the tooth structure may be inverted within software to define the mold block.
  • Engagement portions may be located in regions which correspond to regions of the teeth where they will extend from.
  • the mold block design may be segmented into two sections (facial mold body and lingual mold body) to facilitate eventual assembly of the tool components on the teeth, with specific geometric interferences selected related to the arch lengths to provide desired the clamping forces, as discussed above.
  • engagement portions with certain interlocking geometries are designed, selecting overall heights of the engagement portions based where the engagement portions are placed within the patient’s mouth, as discussed in more detail above.
  • Embodiment 1 is a custom tool for forming a dental restoration in a mouth of a patient, the custom tool comprising: a lingual mold body for a patient-specific, customized fit with the lingual side of at least one tooth of the patient, wherein the lingual mold body includes a restorative portion, at least one aperture aligned with a portion of a surface of a tooth to be restored and at least one door, wherein the door mates with the aperture; and a tongue guard.
  • Embodiment 2 is the custom tool of Embodiment 1, further including a facial mold body for a patient-specific, customized fit with the facial side of at least one tooth of the patient.
  • Embodiment 3 is the custom tool of Embodiment 2, wherein the facial mold body includes a restorative portion and a first engagement portion extending away from the restorative portion,
  • Embodiment 4 is the custom tool of Embodiment 2, wherein the facial mold body and lingual mold body are configured to combine with the tooth of the patient to form a mold cavity encompassing missing tooth structure of the at least one tooth to be restored.
  • Embodiment 5 is the custom tool of Embodiment 1, wherein the lingual mold body includes a first engagement portion; wherein the first engagement portion interlocks with the teeth of the patient.
  • Embodiment 6 is the custom tool of Embodiment 1, wherein the lingual mold body includes a first engagement portion extending away from the restorative portion,
  • Embodiment 7 is the custom tool of Embodiments 5 and 6, wherein the first engagement portion of the facial mold body interlocks with the first engagement portion of the lingual mold body.
  • Embodiment 8 is the custom tool of Embodiment 7, wherein the interlocked portions are configured to provide a clamping force between the facial body and lingual body.
  • Embodiment 9 is the custom tool of Embodiment 7, wherein the mouth of the patient includes an occlusal plane, and wherein the first engagement portion of the facial mold body and the first engagement portion of the lingual mold body extend generally perpendicular to the occlusal plane.
  • Embodiment 10 is the custom tool of Embodiments 5 and 6. The custom tool of claims 5 and 6, wherein the facial mold body includes a second engagement portion extending away from the restorative portion, and wherein the lingual mold body includes a second engagement portion extending away from the restorative portion; and wherein the second portion of the facial mold body interlocks with the second portion of the lingual mold body.
  • Embodiment 11 is the custom tool of Embodiment 10, wherein the first engagement portions are proximate the posterior teeth of the patient and the second engagement portions are proximate the posterior teeth of the patient, and the restoration portions of the facial mold body and lingual mold body mate with the anterior teeth.
  • Embodiment 13 is the custom tool of Embodiment 1, wherein the tongue guard extends generally perpendicular to the direction of the occlusal plane.
  • Embodiment 15 is the custom tool of Embodiment 1, wherein the tongue guard comprises a vacuum port.
  • Embodiment 16 is the custom tool of Embodiment 15, wherein a vacuum source is connected through the vacuum port.
  • Embodiment 17 is the custom tool of Embodiment 1, wherein the tongue guard further comprises a saliva intake wherein the saliva intake is located adjacent the patient’s salivary ducts under the tongue.
  • Embodiment 18 is the custom tool of Embodiment 1, further including a first mesial alignment member on the facial mold body and a second mesial alignment member on the lingual mold body.
  • Embodiment 19 is the custom tool of Embodiment 1, wherein the first engagement portion of the facial mold body includes a protrusion and wherein the first engagement portion of the lingual mold body includes an indentation, wherein the protrusion of the facial mold body interlocks with the indentation of the lingual mold body adjacent to an occlusal plane of a patient’s mouth.
  • Embodiment 20 is the custom tool of Embodiment 1, wherein the first engagement portion of the lingual mold body includes a protrusion and wherein the first engagement portion of the facial mold body includes an indentation, wherein the protrusion of the lingual mold body interlocks with the indentation of the facial mold body adjacent to an occlusal surface of a patient’s tooth.
  • Embodiment 21 is the custom tool of Embodiment 1, wherein the facial mold body has a customized fit with the facial side of multiple teeth of the patient
  • Embodiment 22 is the custom tool of Embodiment 1, wherein the lingual mold body has a customized fit with the lingual side of multiple teeth of the patient.
  • Embodiment 23 is the custom tool of Embodiment 1, further including at least one aperture aligned with a portion of a surface of a tooth to be restored and at least one door having an inner surface forming a portion of a mold cavity encompassing missing tooth structure of the tooth to be restored, wherein the door mates with the aperture.
  • Embodiment 24 is a custom tool for forming a dental restoration in a mouth of a patient, the custom tool comprising: a facial mold body for a patient-specific, customized fit with the facial side of at least one tooth of the patient, wherein the facial mold body includes a restorative portion, at least one aperture aligned with a portion of a surface of a tooth to be restored and at least one door, wherein the door mates with the aperture; and a tongue guard.
  • Embodiment 25 is a custom tool of Embodiment 24, further including a lingual mold body for a patient-specific, customized fit with the lingual side of at least one tooth of the patient.
  • Embodiment 26 is a custom tool of Embodiment 25, wherein the facial mold body includes a restorative portion and a first engagement portion extending away from the restorative portion,
  • Embodiment 27 is a custom tool of Embodiment 25, wherein the facial mold body and lingual mold body are configured to combine with the tooth of the patient to form a mold cavity encompassing missing tooth structure of the at least one tooth to be restored.
  • Embodiment 28 is a custom tool of Embodiment 24, wherein the lingual mold body includes a first engagement portion, wherein the first engagement portion interlocks with the teeth of the patient.
  • Embodiment 29 is a custom tool of Embodiment 24, wherein the lingual mold body includes a first engagement portion extending away from the restorative portion,
  • Embodiment 30 is a custom tool of Embodiments 28 and 29, wherein the first engagement portion of the facial mold body interlocks with the first engagement portion of the lingual mold body.
  • Embodiment 31 is a custom tool of Embodiment 30, wherein the interlocked portions are configured to provide a clamping force between the facial body and lingual body.
  • Embodiment 32 is a custom tool of Embodiment 30, wherein the mouth of the patient includes an occlusal plane, and wherein the first engagement portion of the facial mold body and the first engagement portion of the lingual mold body extend generally perpendicular to the occlusal plane.
  • Embodiment 33 is a custom tool of Embodiments 28 and 29, wherein the facial mold body includes a second engagement portion extending away from the restorative portion, and wherein the lingual mold body includes a second engagement portion extending away from the restorative portion; and wherein the second portion of the facial mold body interlocks with the second portion of the lingual mold body.
  • Embodiment 34 is a custom tool of Embodiment 33, wherein the first engagement portions are proximate the posterior teeth of the patient and the second engagement portions are proximate the posterior teeth of the patient, and the restoration portions of the facial mold body and lingual mold body mate with the anterior teeth.
  • Embodiment 35 is a custom tool of Embodiment 33, wherein the mouth of the patient includes an occlusal plane, wherein the first engagement portion and second engagement portion of the facial mold body extend generally perpendicular to the occlusal plane, and wherein the first engagement portion and second engagement portion of the lingual mold body extend generally perpendicular to the occlusal plane.
  • Embodiment 36 is a custom tool of Embodiment 24, wherein the tongue guard extends generally perpendicular to the direction of the occlusal plane.
  • Embodiment 37 is a custom tool of Embodiment 24, wherein the tongue guard comprises one or more apertures.
  • Embodiment 38 is a custom tool of Embodiment 24, wherein the tongue guard comprises a vacuum port.
  • Embodiment 40 is a custom tool of Embodiment 24, wherein the tongue guard further comprises a saliva intake wherein the saliva intake is located adjacent the patient’s salivary ducts under the tongue.
  • Embodiment 41 is a custom tool of Embodiment 24, further including a first mesial alignment member on the facial mold body and a second mesial alignment member on the lingual mold body.
  • Embodiment 42 is a custom tool of Embodiment 24, wherein the first engagement portion of the facial mold body includes a protrusion and wherein the first engagement portion of the lingual mold body includes an indentation, wherein the protrusion of the facial mold body interlocks with the indentation of the lingual mold body adjacent to an occlusal plane of a patient’s mouth.
  • Embodiment 43 is a custom tool of Embodiment 24, 24, wherein the first engagement portion of the lingual mold body includes a protrusion and wherein the first engagement portion of the facial mold body includes an indentation, wherein the protrusion of the lingual mold body interlocks with the indentation of the facial mold body adjacent to an occlusal surface of a patient’s tooth.
  • Embodiment 44 is a custom tool of Embodiment 24, wherein the facial mold body has a customized fit with the facial side of multiple teeth of the patient
  • Embodiment 44 is a custom tool of Embodiment 24, wherein the lingual mold body has a customized fit with the lingual side of multiple teeth of the patient.
  • Embodiment 46 is a custom tool of Embodiment 24, further including at least one aperture aligned with a portion of a surface of a tooth to be restored and at least one door having an inner surface forming a portion of a mold cavity encompassing missing tooth structure of the tooth to be restored, wherein the door mates with the aperture.
  • Embodiment 48 is a custom tool of Embodiment 47, wherein the facial portion is separable from and engageable with the lingual portion.
  • Embodiment 49 is a custom tool of Embodiment 47, wherein the facial portion includes a facial surface corresponding with a facial surface of the tooth.
  • Embodiment 50 is a custom tool of Embodiment 47, wherein the lingual portion including a lingual surface corresponding with a lingual surface of the tooth.
  • Embodiment 51 is a custom tool of Embodiment 47, wherein the custom tool forms a proximal surface corresponding with a proximal surface of a first adjacent tooth.
  • Embodiment 52 is a custom tool of Embodiment 51, wherein the facial portion forms the proximal surface, wherein the proximal surface corresponds with a proximal surface of the first adjacent tooth.
  • Embodiment 53 is a custom tool of Embodiment 51 , wherein the lingual portion forms the proximal surface, wherein the proximal surface corresponds with a second adjacent tooth.
  • Embodiment 54 is a custom tool of Embodiment 47, further including an occlusal portion including an occlusal surface, wherein the occlusal surface corresponds with an occlusal surface of the tooth.
  • Embodiment 55 is a custom tool of Embodiment 54, wherein the facial portion, lingual portion, and occlusal portion are all customized to fit around a tooth receiving a restoration.
  • Embodiment 56 is a custom tool of Embodiment 54, further including a tooth receiving the restoration in the patient’s mouth.
  • Embodiment 57 is a custom tool of Embodiment 47, wherein the facial portion and the lingual portion are based on three-dimensional scan data of the mouth of the patient.
  • Embodiment 58 is a custom tool of Embodiment 47, wherein the facial portion and the lingual portion are manufactured by three-dimensional printing.
  • Embodiment 59 is a custom tool of Embodiments 49 and 50, wherein the facial surface and the lingual surface together form an inner surface corresponding to the tooth’s outer surface prior to restoration.
  • Embodiment 60 is a custom tool of Embodiment 47, wherein the facial mold body and lingual mold body are configured to combine with the tooth of the patient to form a mold cavity encompassing missing tooth structure of the at least one tooth to be restored.
  • Embodiment 61 is a custom tool of Embodiment 60, further comprising a dental restorative material located within the mold cavity.
  • Embodiment 52 is a custom tool of Embodiment 47, wherein the facial mold body includes a restorative portion and a first engagement portion extending away from the restorative portion,
  • Embodiment 63 is a custom tool of Embodiment 62, wherein the lingual mold body includes a restorative portion and a first engagement portion extending away from the restorative portion,
  • Embodiment 64 is a custom tool of Embodiment 63, wherein the first engagement portion of the facial mold body interlocks with the first engagement portion of the lingual mold body.
  • Embodiment 65 is a custom tool of Embodiment 63, wherein the mouth of the patient includes an occlusal plane, and wherein the first engagement portion of the facial mold body and the first engagement portion of the lingual mold body extend generally perpendicular to the occlusal plane.
  • Embodiment 66 is a custom tool of Embodiment 47, wherein the tongue guard extends generally perpendicular to the direction of the occlusal plane.
  • Embodiment 67 is a custom tool of Embodiment 47, wherein the tongue guard comprises one or more apertures.
  • Embodiment 68 is a custom tool of Embodiment 47, wherein the tongue guard comprises a vacuum port.
  • Embodiment 69 is a custom tool of Embodiment 67, wherein a vacuum source is connected through the vacuum port.
  • Embodiment 70 is a custom tool of Embodiment 47, wherein the tongue guard further comprises a saliva intake wherein the saliva intake is located adjacent the patient’s salivary ducts under the tongue.
  • Embodiment 71 is a method of forming a dental restoration, the method comprising: positioning a patient-specific a facial mold body adjacent at least one tooth to be restored of a patient, wherein the facial mold body has a customized fit with the facial side of at least one tooth of the patient; positioning a patient-specific lingual mold body and a tongue guard adjacent the least one tooth to be restored, a lingual mold body for a patient-specific, customized fit with the lingual side of at least one tooth of the patient, wherein the lingual mold body includes a restorative portion, at least one aperture aligned with a portion of a surface of a tooth to be restored and at least one door, wherein the door mates with the aperture; interlocking the facial mold body with the lingual mold body to combine with the tooth of the patient to form a mold cavity encompassing missing tooth structure of at least one tooth to be restored; introducing restorative material into the mold cavity through the door; shutting the door; curing the restorative material; and removing the facial mold body,
  • Embodiment 72 is a custom tool of Embodiment 71, wherein the facial mold body includes a restorative portion and a first engagement portion extending away from the restorative portion; wherein the lingual mold body includes a restorative portion and a first engagement portion extending away from the restorative portion; wherein the method further includes interlocking the first engagement portion of the facial mold body with the first engagement portion of the lingual mold body to combine with the tooth of the patient to form a mold cavity encompassing missing tooth structure of at least one tooth to be restored.
  • Embodiment 73 is a custom tool of Embodiment 72, wherein the introducing step occurs before the interlocking step.
  • Embodiment 74 is a method of designing a custom tool for forming a dental restoration of a tooth, the method comprising: receiving, by one or more processors, three-dimensional scan data of a supragingival tooth structure of a patient; designing, by the one or more processors, a custom tool for forming the dental restoration of the tooth based on the three-dimensional scan data of the supragingival tooth structure of the patient, and the desired tooth structure of the at least one tooth to be restored of the patient, wherein the tool comprises: a facial mold body for a patient-specific, patient-specific, customized fit with the facial side of at least one tooth of the patient, wherein the facial mold body includes a restorative portion and a first engagement portion extending away from the restorative portion; a lingual mold body for a patient-specific, customized fit with the lingual side of at least one tooth of the patient, wherein the lingual mold body includes a restorative portion, at least one aperture aligned with a portion of a surface of a tooth to be
  • Embodiment 75 is a custom tool of Embodiment 74, wherein the facial mold body, lingual mold body and tongue guard are manufactured by three-dimensional printing.
  • Embodiment 76 is a custom tool of Embodiment 74, wherein facial mold body, lingual mold body and tongue guard are manufactured by CAD/CAM milling processes.
  • Embodiment 77 is a custom tool of Embodiment 74, further including receiving, by one or more processors, information relating to a subgingival tooth structure of the patient.

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention concerne un outil personnalisé permettant de former une restauration dentaire dans la bouche d'un patient. L'outil personnalisé comprend un corps de moule facial pour un ajustement personnalisé spécifique au patient avec le côté facial d'au moins une dent du patient ; un corps de moule lingual pour un ajustement personnalisé spécifique au patient avec le côté lingual de la dent du patient ; et une protection de la langue, le corps de moule facial et le corps de moule lingual étant conçus pour se combiner avec la dent du patient pour former une cavité de moule englobant la structure de dent manquante d'au moins une dent à restaurer.
PCT/IB2021/054213 2020-06-04 2021-05-17 Outils de restauration dentaire à protection de la langue WO2021245489A1 (fr)

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US63/034,717 2020-06-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210298882A1 (en) * 2018-08-10 2021-09-30 3M Innovative Properties Company Dental restoration molds

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179815A (en) * 1977-12-29 1979-12-25 Tp Laboratories, Inc. Dental device
US20070148619A1 (en) * 2002-11-22 2007-06-28 Anderson Ross W Apparatus for maintaining a dry field during dental procedures
US8366445B2 (en) 2010-02-26 2013-02-05 Vuillemot William C Method for dental restoration and related kit
WO2016094272A1 (fr) * 2014-12-09 2016-06-16 3M Innovative Properties Company Techniques de moulage de restauration dentaire
WO2018022616A1 (fr) 2016-07-26 2018-02-01 3M Innovative Properties Company Moules de restauration dentaire
US20180360577A1 (en) * 2015-12-17 2018-12-20 3M Innovative Properties Company Dental restoration molds
WO2020033532A1 (fr) * 2018-08-10 2020-02-13 3M Innovative Properties Company Moules de restauration dentaire

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179815A (en) * 1977-12-29 1979-12-25 Tp Laboratories, Inc. Dental device
US20070148619A1 (en) * 2002-11-22 2007-06-28 Anderson Ross W Apparatus for maintaining a dry field during dental procedures
US8366445B2 (en) 2010-02-26 2013-02-05 Vuillemot William C Method for dental restoration and related kit
WO2016094272A1 (fr) * 2014-12-09 2016-06-16 3M Innovative Properties Company Techniques de moulage de restauration dentaire
US20180021113A1 (en) 2014-12-09 2018-01-25 3M Innovative Properties Company Dental restoration molding techniques
US20180360577A1 (en) * 2015-12-17 2018-12-20 3M Innovative Properties Company Dental restoration molds
WO2018022616A1 (fr) 2016-07-26 2018-02-01 3M Innovative Properties Company Moules de restauration dentaire
US20190298489A1 (en) * 2016-07-26 2019-10-03 3M Innovative Properties Company Dental restoration molds
WO2020033532A1 (fr) * 2018-08-10 2020-02-13 3M Innovative Properties Company Moules de restauration dentaire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210298882A1 (en) * 2018-08-10 2021-09-30 3M Innovative Properties Company Dental restoration molds

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