Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/008—Healing caps or the like
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
  • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
  • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
  • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
  • A61C8/0078—Connecting the upper structure to the implant, e.g. bridging bars with platform switching, i.e. platform between implant and abutment
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
  • A61C8/0037—Details of the shape
  • A61C2008/0046—Textured surface, e.g. roughness, microstructure
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
  • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
  • A61C8/0066—Connecting devices for joining an upper structure with an implant member, e.g. spacers with positioning means

Definitions

• the present disclosure relates to the field of implants and dental prostheses.
• PCT document EP2013001901 thus presents an example of a dental implant structure comprising an implant adapted to be inserted into the bone of a patient so that the free end of the implant is flush with the surface of the implant. bone, a conical base adapted to be secured in the implant by means of a first fixing screw, then a prosthesis support adapted to be mounted on the conical base via a second fixing screw which fits into the head of the first fixing screw.
• a dental implant has several disadvantages, among which may be mentioned in particular the use of multiple elements of reduced dimensions, including screws, which can be risky during handling, but also the high risk of removal of the bone and gingiva following the installation of the prosthesis, and multiplies the operative steps.
• the present disclosure relates to a healing guide, adapted to be partially inserted into a dental implant, the healing guide having an engagement portion adapted to be inserted into said implant, and a growth portion adapted to be protruding relative to the implant, said growth portion having a flared shape whose section increases from a proximal end to a distal end, said healing guide being adapted to receive a pillar adapted to receive a dental prosthesis, characterized in that the The growth portion of the healing guide includes a plurality of open cavities formed between its proximal end and its distal end.
• said cavities are distributed regularly around an axis X-X of the healing guide, and each have an oblong through section, and a curved blind end.
• the outer wall of the growth portion of the healing guide has a concave shape.
• the healing guide has a central bore allowing the passage of a fixation screw, the distal end of the healing guide forms a plateau, and the healing guide comprises a rib extending from said plateau of the distal end, around the central bore.
• Said rib then typically has a non-symmetrical section of revolution about a longitudinal X-X axis of the healing guide.
• the present disclosure also relates to a kit comprising an implant, adapted to be inserted into the maxillary or mandibular bone of a patient, said implant having a threaded proximal end and an open distal end, the kit also comprising a guide of cicatrization as defined above, the kit being characterized in that the proximal end of the growth portion of the guide of cicatrization has a section of external diameter strictly less than the outer diameter of the distal end of the implant.
• the kit further comprises a pillar, adapted to be mounted on the growth portion of the healing guide, and to receive a dental prosthesis, and a fixing screw, adapted to secure the pillar and the guide of healing at the implant, the fixing screw being made in one piece.
• the kit further comprises a cover screw adapted to be inserted into the implant prior to the insertion of the healing guide, the cover screw having a distal end adapted to protrude from the implant. , and having an outer section conforming to the outer section of the associated healing guide.
• the present disclosure also relates to a method of insertion of a dental implant into the maxillary or mandibular bone of a patient, into which a dental implant is inserted through a proximal end into the maxillary or mandibular bone of the patient. a patient so that said implant is fully inserted into the bone, so that a distal end of the implant is positioned below the surface of the bone.
• a cover screw is then inserted into said implant, the cover screw having a distal end protruding from said implant and having an outer diameter strictly smaller than the external diameter of the distal end of the implant.
• the cover screw (after a period of osteo integration of the implant), then inserting a healing guide in said implant, the healing guide comprising a growth portion projecting from the implant and having an outer section having a profile identical to that of the cover screw for an identical height.
• FIGS. 1 and 2 show an example of an implant
• FIGS. 3 to 8 show three examples of healing guide according to one aspect of the invention.
• FIGS. 9 to 11 show such a healing guide associated with an implant
• FIG. 12 schematically represents an implant positioned in the maxillary or mandibular bone of a patient
• FIG. 13 schematically represents such an implant associated with a healing guide according to FIGS. 5 and 6,
• FIG. 14 is a representation of FIG. 13 to which is added a pillar provided with a dental prosthesis,
• FIGS. 15 and 16 show two views of a cover screw
• FIG. 17 shows the association of such a cover screw with an implant as shown in FIGS. 1 and 2.
• Figures 1 and 2 show an example of dental implant, respectively in perspective view and in sectional view.
• Such an implant is adapted to be positioned in the maxillary or mandibular bone of a patient for the purpose of fitting a dental prosthesis.
• the implant 1 as shown has a general shape of a truncated cone of longitudinal axis XX between a proximal end 11 and a distal end 12, the proximal end 11 being adapted to be inserted into the maxillary bone or mandibular of the patient, while the distal end 12 is open.
• the implant 1 is provided with a thread 13 on its outer surface to promote insertion into the maxillary or mandibular bone of the patient.
• the distal end 12 of the implant 1 has an internal volume opening, comprising a threaded portion 14, and indexing means, in this case notches 15.
• the internal volume arranged in the implant is subdivided here in three portions; an outer portion 101 opening having a cylindrical section of revolution of longitudinal axis XX of diameter D1 and height XI, an intermediate portion 102 having a cylindrical section of revolution of longitudinal axis XX of diameter D2 ⁇ D1 and height X2, and a portion internal member 103 having a cylindrical section of revolution of longitudinal axis XX of diameter D3 ⁇ D2 and of height X3 and having a thread.
• the distal end 12 of the implant 1 typically has a chamfer 121.
• the distal end 12 of the implant 1 forms an irregular ring because of the notches 15.
• D12 denotes the external diameter of the implant 1 at its distal end 12.
• Figures 3 to 8 show views of three examples of healing guides according to one aspect of the invention, each shown in perspective view and in sectional view.
• FIGS. 3 and 4 The embodiment shown in FIGS. 3 and 4 is described below, the other embodiments being presented hereinafter.
• the healing guide 2 shown in these figures comprises an engagement portion 21 and a growth portion 22.
• a proximal end 2a of the healing guide 2 is defined, and a distal end 2b of the healing guide 2.
• the engagement portion 21 is adapted to be inserted into the implant 1 via the distal end 12 of the implant 1, while the growth portion 22 is the part of the healing guide 2 intended to remain in position. protrusion of the implant 1.
• the engagement portion 21 thus typically comprises indexing means complementary to the indexing means of the implant 1, in this case the ribs 25 complementary to the notches 15.
• the engagement portion 21 comprises two portions 211 and 212, the portion 211 being provided with ribs and being adjacent to the growth portion 22, while the portion 212 forms the free end of the healing guide 2.
• the portion 211 typically has a shape complementary to the outer portion 101 of the implant 1, namely a cylindrical shape of revolution of axis XX of diameter D1 and height XI
• portion 212 typically has a shape complementary to the por intermediate 102 of the implant 1, namely a cylindrical shape of revolution of axis XX of diameter D2 and height X2.
• the engagement portion 21 of the healing guide 2 thus fits into the outer portion 101 and the intermediate portion 102 of the implant 1, it being understood that a functional game exists to allow such insertion.
• the indexing means of the healing guide 2 and the implant 1 can take different forms, and are not limited to such an association of ribs and grooves.
• the engagement portion 21 of the healing guide 2 and the internal volume of the implant 1 in which the engagement portion 21 is inserted form and connection means between the implant 1 and the guide of 2.
• the example illustrated in the figures thus corresponds to a type of connection, but it is clear that the engagement portion 21 of the healing guide 2 is not limited to such an embodiment, and can take different shapes for example to adapt to the implant considered.
• the healing guide 2 is thus compatible with any type of dental implant.
• the growth portion 22 of the healing guide 2 extends from the engagement portion 21 around the longitudinal axis X-X.
• the growth portion 22 has a generally concave shape, its proximal end 221 adjacent to the engagement portion 21 having a diameter D221 smaller than a diameter D222 of its distal end 222 opposite, the section of the growth portion 22 having a diameter external which is increasing from its end adjacent to the engagement portion 21 to its free end.
• the distal end 222 of the growth portion 22 typically corresponds to the distal end 2b of the healing guide 2.
• the growth portion 22 is configured to protrude from the implant 1.
• the diameter D221 is strictly greater than the diameter D1 of the outer portion 101 of the associated implant 1, but strictly less than the diameter D12 of the distal end 12 of the associated implant 1.
• the growth portion 22 is provided with cavities 26 arranged on its outer face.
• the cavities 26 as shown are blind cavities extending from the outer face of the growth portion 22 which each have an oblong shape and a rounded blind end. These cavities are typically made so as not to form an undercut relative to the outer face of the growth portion 22.
• the open face of each of these cavities has a closed contour on the outer face of the growth portion 22 , and not adjacent to the outline on the outer face of the growth portion 22 of the other cavities 26.
• Each cavity 26 thus typically extends over a defined angular sector (for example of the order of 1 ° to 10 °) around the longitudinal axis XX, and over a height defined along the longitudinal axis XX.
• the cavities 26 are thus distinguishable from grooves extending continuously over the entire periphery of the outer face of the growth portion 22.
• the Applicant has indeed found that to achieve a plurality of disjoint cavities distributed around the axis XX longitudinal improves the bonding between the healing guide and the gum of a patient in particular with respect to healing guides having continuous grooves.
• cavities 26 are typically a plurality of disjoint cavities, regularly distributed around the longitudinal axis XX, and are typically arranged near the end of the growth portion 22 adjacent to the engagement portion 21. cavities 26 are thus typically disposed at a distance from the end of the growth portion 22 adjacent to the engagement portion 21 between 0.3 and 1.5 mm, or between 0.3 and 1.2, or between 0.3 and 0.9 mm, or between 0.3 and 0.7 mm 0.3 and 0.5 mm, or between 0.35 and 0.45 mm, or equal to 0.4 mm.
• the open section of the cavities 26 typically has a maximum dimension of between 0.4 and 1 mm, or between 0.5 and 0.8 mm, or between 0.5 and 0.7 mm, or of order of 0.6 mm and a minimum dimension of between 0.3 and 0.6 mm, or between 0.3 and 0.5 mm, or of the order of 0.4 mm.
• the cavities 26 typically have a maximum depth of between 0.1 and 0.6 mm, or between 0.2 and 0.5 mm, or between 0.2 and 0.4 mm, or on the order of 0.2 mm.
• the cavities 26 are typically disjoint, and spaced a minimum distance of between 0.1 and 0.4 mm, or between 0.2 and 0.3 mm, or of the order of 0.25 mm between two cavities 26 adjacent, the spacing being measured with respect to the outer face of the growth portion 22, in a direction tangential to said outer face of the growth portion 22 with respect to the longitudinal axis XX.
• the healing guide further comprises a central through bore, of cylindrical section of revolution about the longitudinal axis XX, and having a threaded portion 31 at the end of the bore 30 adjacent to the proximal end. 2a of the healing guide 2.
• This piercing 30 is adapted to allow the passage of a screw through the healing guide 2 as will be seen later.
• the bore 30 as shown is not of constant section; it comprises a proximal portion 30a extending from the proximal end 2a of the healing guide 2 and over the majority of the height of the healing guide 2, typically over at least 80 or 90% of the height of the healing guide 2 according to the axis XX and comprising the threaded portion 31, and a distal portion 30b having a diameter strictly greater than that of the proximal end 30a.
• the distal end 2b of the healing guide 2 thus forms a ring of external diameter D222 and internal diameter corresponding to the diameter of the bore 30.
• a rib 32 extends from the distal end 2b around the piercing 30.
• This rib 32 here has a general shape of equilateral triangle, centered on the longitudinal axis XX of the healing guide 2.
• the rib 32 serves a triple function: indexing a insert on the healing guide 2, protection and stop for a screw head inserted in the bore 30 as will be seen later.
• the shape of the rib 32 is not limited to such a triangular shape; any non-cylindrical shape of revolution about the X-X axis is adapted.
• Figures 5, 6, 7 and 8 show views of two other embodiments of healing guide 2.
• the growth portion 22 has a height (measured along the axis XX) equal to 4.5 mm, while it has a height of 3 mm in the embodiment shown in Figures 5 and 6, and 1.5 mm in the embodiment shown in Figures 7 and 8.
• the three embodiments are identical, and Figures 5 to 8 are not described here in detail.
• FIGs 9 to 11 show the healing guides 2 described above with reference to Figures 3 to 8 associated with an implant 1 as described above with reference to Figures 1 and 2.
• the engagement portion 21 of the healing guide is inserted into the implant 1, until the growth portion 22 abuts against the distal end 12 of the implant. implant 1.
• the threaded portion 31 arranged in the bore 30 of the healing guide 2 is in the extension of the threaded portion 14 formed in the internal volume of the implant 1.
• Figures 12 and 13 show schematically the implantation of the implant 1 and the healing guide 2 as described above in the maxillary or mandibular bone 90 of a patient for the purpose of fitting a dental prosthesis.
• the implant 1 is inserted into the maxillary or mandibular bone 90 of a patient. It can be seen in this figure that the implant is inserted into the bone until it is entirely under the surface of the bone 90. The distal end 12 of the implant 1 is therefore located below the bone. level of the bone 90 adjacent to the implant.
• Such implantation promotes a phenomenon commonly referred to by the English name "platform switch” in which the bone adjacent to the implant is spread to partially cover the distal end 12 of the implant 1 , and thus improve the maintenance of the implant 1 in the bone 90 of the patient and promote bone stabilization in the long term, in particular by avoiding a fold of the bone.
• platform switch Such implantation is advantageous over known methods that recommend inserting the implant so that its distal end 12 is located at the bone.
• the proposed implantation below the level of the bone 90 considerably improves the chances of success of the "platform switch” phenomenon and thus the joining of the implant 1 in the patient's bone.
• the implant 1 is typically inserted into the patient's bone and then coupled to a cover screw that closes its internal volume, so that the bone 90 surrounding the implant 1 ensures its anchoring and also to prevent the gum from entering the internal volume of the implant 1.
• the cover screw is then removed, and the healing guide 2 is inserted into the implant 1 as already described with reference in Figures 9 to 11.
• FIG. 13 shows a cicatrization guide 2 inserted into the implant 1 itself inserted into the maxillary or mandibular bone of a patient as already described with reference to FIG. 12.
• the outer periphery of the distal end 12 of the implant 1 has been covered by the bone 90.
• the reference numeral 91 denotes this bone area covering the distal end. 12 of the implant 1.
• the external diameter D221 of the growth portion 22 of the healing guide 2 which is strictly smaller than the external diameter of the distal end 12 of the implant 1 allows forming a recess and thus to preserve this bone area 91.
• the healing guide 2 is thus inserted into the implant 1, these two elements being assembled by means of a fixing screw 4.
• the fixing screw 4 has a threaded portion cooperating with the threaded portion 31 arranged in the piercing 30 of the healing guide 2 and with the threaded portion 14 formed in the internal volume of the implant 1, and abuts against the rib 32 formed on the distal end 2b of the healing guide 2.
• the fixing screw 4 is dimensioned in particular according to the healing guide 2 chosen.
• the fixing screw 4 has a rod 41 comprising the threaded portion mentioned above, and a head 42 for screwing.
• the head 42 of the fixing screw 4 has a cylindrical portion of revolution in the extension of the rod 41 and having a diameter greater than that of the rod 41, and a flared portion forming the free end of the head 42.
• the cylindrical portion of revolution of the head 42 is inserted into the healing guide 2, while the flared portion projects from the rib 32 formed on the distal end 2b of the healing guide 2.
• rib 32 allows to take all or part of the shearing forces that could be applied on the head 42 of the fixing screw 4.
• the partial insertion of the head 42 in the healing guide 2 protects the junction area between the head 42 and the stem 41.
• the healing guide 2 is surrounded by the gum 92 of the patient.
• the healing guide 2 is typically dimensioned so that its distal end 2b is flush with the gingiva 92.
• the type of healing guide 2 is then determined according to the specificities of the gingiva of the patient concerned; the practitioner can then in particular determine the healing guide 2 adapted according to the thickness of the gingiva, and thus define the desired height for the growth portion 22 of the healing guide 2.
• the gingiva 92 is schematically divided into two layers, the connective tissue 93 forming the inner layer, and the epithelium 94 forming the outer layer.
• the gum is repositioned by the practitioner so as to heal around the healing guide 2.
• the connective tissue 93 will then enter the cavities 26 of the guide to heal and grow within these cavities 26, so as to achieve anchoring of the gingiva with respect to the healing guide 2. It is noted that the positioning of the cavities 26 in the lower portion of the growth portion 22 of the guide healing 2 promotes the growth of connective tissue 93 in the cavities 26 and not the epithelium 94, which is advantageous in terms of resistance due to collagen fiber bundles present in the connective tissue 93.
• a pillar 5 is then mounted on the healing guide 2, this pillar 5 typically serving to support a dental prosthesis 6.
• the pillar 5 as proposed is here a separate element of the healing guide 2, the pillar being mounted on the healing guide 2 in a second step, after cicatrization of the connective tissue 93, epithelium 94 and bone tissue.
• FIG. 14 represents such an assembly example. This figure is based on Figure 13, on which was added the pillar 5 provided with the dental prosthesis 6.
• the pillar 5 is mounted bearing on the distal end 2b of healing guide 2. It has a proximal face 5a adapted to bear against the distal end 2b of healing guide 2 having a recess 52 complementary to the rib 32 of the healing guide 2, this recess 52 cooperating with the rib 32 in order to index the pillar 5 relative to the healing guide 2.
• the pillar 5 typically has a central bore 50 allowing the passage of the fixing screw 4, the latter thereby to secure the implant 1, the healing guide 2 and the pillar 5.
• the dental prosthesis 6 is then typically fixed on the pillar 5 for example by means of a resin or other suitable sealing means.
• FIGS. 15 and 16 FIGS. 15 and 16 (FIG. respectively in perspective view and in section) can be inserted into the implant 1. It also shows in Figure 17 an implant 1 provided with such a cover screw 7 and positioned in the maxillary or mandibular bone of a patient.
• the cover screw 7 as shown comprises a proximal end 71 and a distal end 72.
• the proximal end 71 is adapted to be inserted into the internal volume of the implant 1, and comprises a thread 74 adapted to cooperate. with the internal thread 14 of the implant 1.
• the distal end 72 is in turn configured to remain outside the internal volume of the implant 1, and forms a radial collar 73 about the longitudinal axis XX adapted to abut against the distal end 12 of the implant 1.
• the radial flange 73 thus formed by the distal end 72 of the cover screw 7 has an outer periphery identical to that of the healing guide 2 intended to be inserted in The insert 1.
• the outer periphery of the distal end 72 of the cover screw 7 is identical to the outer periphery of the proximal portion of the growth portion 22 of the growth guide.
• ance 2 intended to be inserted into the implant 1 for the same height measured along the longitudinal axis X-X.
• presenting an identical external periphery makes it possible to guide the bone growth so that, during the removal of the cover screw 7 and the positioning of the growth guide 2, the bone zone 91 becomes according to the contour of the proximal portion of the growth portion 22 of the growth guide 2, and this bone area 91 is not damaged during the insertion of the growth guide 2 into the implant 1.
• the cover screw 7 as shown typically comprises a blind hole 75 formed in its distal end 72, this blind hole allowing its manipulation and in particular its screwing into the implant 1.
• the system as presented allows for the implementation of a dental prosthesis via the following steps, which correspond to a two-step method:
• implant 1 is placed in the maxillary or mandibular bone of a patient, the distal end 12 of the implant 1 being below the bone level so that the implant 1 is entirely arranged in the maxillary or mandibular bone as detailed above.
• a cover screw 7 is then positioned in the implant 1 during a period of osseointegration during which the implant integrates with the bone, and then partially covers the distal end 12 of the implant 1.
• fixation screw and the impression transfer are then removed, and the fixing screw is then put back in place so as to secure the healing guide 2 and the implant 1.
• a covering element can then be positioned on the distal end 2b of the healing guide 2.
• the fixing screw 4 is removed again, then the pillar 5 is positioned on the healing guide 2, which is remixed. the pillar 5 and the healing guide 2 to the implant 1 by means of the fixing screw 4, then the prosthesis 6 is sealed on the pillar 5 for example by means of an adhesive; we then speak of sealed prosthesis.
• prosthesis 6 may be integral with the pillar 5 and then present a passage for the fixing screw 4 which will then be closed; we then speak of screwed prosthesis.
• the implant 1 is placed in the maxillary or mandibular bone of a patient.
• the healing guide 2 is then positioned in the implant 1 and an impression transfer is made to the healing guide, and these elements are assembled by means of a fixing screw 4.
• An impression is taken and then then removes the fixing screw 4 and the impression transfer.
• a covering element can then be positioned on the distal end 2b of the healing guide 2 which remains in position in the implant 1. The assembly is assembled again via the fixing screw 4.
• the fixing screw 4 is removed again, then the abutment 5 is positioned on the healing guide 2, the abutment 5 and the healing guide 2 are refixed to the implant 1 by means of the fixing screw 4 , then seal the prosthesis 6 on the pillar.
• the proposed system allows for an assembly by means of a single fixing screw 4, which facilitates handling by the practitioner and is considerably safer for the patient than systems requiring the use of two screws of reduced dimensions.
• the proposed system makes it possible not to require removal of the healing guide 2 once it is in position.
• the realization of a dental prosthesis requires taking an impression once the implant 1 positioned.
• Conventional systems then provide for positioning a transfer of impression directly in the implant 1 and for taking the impression, then removing the impression transfer during the production of the prosthesis for the subsequent insertion of the impression.
• a pillar bearing the prosthesis a pillar bearing the prosthesis.
• the abutment 5 and the healing guide 2 are disjoint. The healing guide can therefore be inserted into the implant 1 to allow the cicatrization of the gingiva, and can then no longer be removed to the extent that the pillar 5 is then mounted on the healing guide 2.
• Such a two-part structure of the pillar 5 and the healing guide 2 thus improves the healing of the gum 92 by limiting the component removal operations directly in contact with the gum 92 which are likely to expose the bone, and further improves the stabilization of the bone and gingiva.
• cavities 26 in the healing guide 2 also makes it possible to improve the cohesion between the gum 92 and the healing guide 2 with respect to a similar element that does not have such cavities 26, and also allows to increase the thickness of the gingiva.

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• Health & Medical Sciences (AREA)
• Oral & Maxillofacial Surgery (AREA)
• Orthopedic Medicine & 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)
• Dental Prosthetics (AREA)

Applications Claiming Priority (2)

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• 2016
  • 2016-11-02 FR FR1660587A patent/FR3058040B1/fr not_active Expired - Fee Related
• 2017
  • 2017-10-30 WO PCT/FR2017/052983 patent/WO2018083408A1/fr not_active Ceased
  • 2017-10-30 EP EP17797705.5A patent/EP3534825A1/de not_active Withdrawn

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