WO2013188939A1 - Pilar protético dobrável e método de adaptação angular - Google Patents
Pilar protético dobrável e método de adaptação angular Download PDFInfo
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- WO2013188939A1 WO2013188939A1 PCT/BR2013/000209 BR2013000209W WO2013188939A1 WO 2013188939 A1 WO2013188939 A1 WO 2013188939A1 BR 2013000209 W BR2013000209 W BR 2013000209W WO 2013188939 A1 WO2013188939 A1 WO 2013188939A1
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- WIPO (PCT)
- Prior art keywords
- abutment
- cavity
- prosthetic abutment
- prosthetic
- prosthesis
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000007943 implant Substances 0.000 claims abstract description 63
- 238000005452 bending Methods 0.000 claims abstract description 47
- 230000006978 adaptation Effects 0.000 claims abstract description 44
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 238000004873 anchoring Methods 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000001737 promoting effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 210000000988 bone and bone Anatomy 0.000 description 11
- 238000009434 installation Methods 0.000 description 7
- 239000004053 dental implant Substances 0.000 description 5
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
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- 230000000877 morphologic effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 206010070918 Bone deformity Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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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
- A61C8/0048—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
- A61C8/0057—Connecting devices for joining an upper structure with an implant member, e.g. spacers with elastic means
-
- 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
- A61C8/0053—Connecting devices for joining an upper structure with an implant member, e.g. spacers with angular adjustment means, e.g. ball and socket joint
-
- 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
- A61C13/34—Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
-
- 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
- A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0012—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy
- A61C8/0016—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy polymeric material
Definitions
- the present invention relates to a folding prosthetic abutment and its method of angular adaptation, particularly formed by a custom mechanical shaping process, which assists the dental surgeon and / or dental technician to orient the abutment to the upper part of the abutment. an inclination that is favorable to the installation of the future prophetic crown, obeying functional and aesthetic criteria, without compromising the dimensional and mechanical properties of a folding prosthetic abutment belonging to the field of dental implant dentistry.
- Natural teeth can be replaced by removable full or partial dentures, single or multiple fixed dentures supported by natural teeth or by dental implants.
- a dental implant is a device that simulates a dental root and aims to replace the dental crown through a abutment - also known as a connector abutment - that is attached to the osseointegrated dental implant and supports the prosthetic crown to which will assume the aesthetic function of a tooth.
- connection of the abutment to the implant is usually by screwing or a morse taper fitting system, the latter having better sealing results between the implant and abutment, as well as self-healing properties.
- fixation since chewing force contributes to the A bolt connection form is made through a through hole disposed in the central portion of the abutment which receives a suitable screw which is threaded into the Implant. This method of fixation is still widely used, but presents problems of fixation fatigue, which promotes screw loosening, requiring maintenance of the prosthesis.
- the bone tissue then receives holes, with special drills specifically calibrated to adapt the chosen implant, considering its height and diameter. Still in this surgical act, the implant is threaded to the bone through a specific wrench until it reaches the proper insertion level, when it is then sealed through a coupled or screwed cap and the soft tissue (gum) is sutured, completely covering the implant. implantation. From this moment, the inertia of the joint promotes the osseointegration phenomenon, which consists in the formation of a stable and functional union between the bone and the implant surface, a phenomenon that usually occurs over a period of 3 to 6 months.
- the start of the prosthetic sequence itself is given.
- Surgical access to the implant is made through a gingival incision, the protective cap of the implant is removed and then replaced by a healing abutment, which remains in place for about two (2) weeks and has the objective of conform the gum for later adaptation of a prosthetic abutment.
- This abutment consists of the link that connects the dental crown to the implant, that is, the communication between the tooth and the artificial root.
- abutments with different indications that vary according to the case, respecting factors such as the type of prosthesis (fixed or removable) desired, how many implants will be used in the prosthesis (single or multiple), region of the tooth to be replaced (anterior or later), whether the abutment will have to be customizable, prosthesis character (provisional or definitive), gingival morphology (thick or thin) and whether any implant inclination must be compensated, etc.
- angled prophetic abutments with predefined angles ranging from O 2 to 25 9 or 30 s , which are molded or machined, are used.
- hinged angular correction systems which may comprise nested, machined and even molded components as shown in patent documents PI9604737-2 and WO2010150188.
- hinged angular correction systems which may comprise nested, machined and even molded components as shown in patent documents PI9604737-2 and WO2010150188.
- patent document US201 1275030 which features a single-body, morse cone pre-angled abutment that solves a number of problems compared to the prior art.
- This document presents a partially sectional schematic view of a region of the jaw containing angled abutments (see figure 6), where the abutment positioning method for aesthetic alignment can be observed.
- the state of the art presents only pillars built with preconceived angles, as in the case of US201 1275030 in groups typically of 10, 15, 20 and 30 degrees, and not of degree in degree. degree, for example, generating mismatches beyond forcing the trader to purchase a stock of components to suit each clinical case, or wait — high order times for each specific component used by each customer, as they are High constructive dimensional accuracy.
- any component of thermoplastic material when subjected to a softening temperature, may lose the dimensionality of the prefabricated component, reflecting changes in component performance.
- the use of a thermoplastic material will also not be mechanically equipped with the use of metal components made of stainless steel or titanium and their alloys, making them unsuitable for function as a result of the loads applied to the component.
- this patent document has a flexible recessed intermediate region, as shown in Figure 1, reference 26, composed of two angled sections converging into a straight section, which may cause the crack formation in the convergence regions between the angled and compressed straight sections. These cracks can cause component breakage by fatigue with few loading cycles.
- both disclosed alternatives featuring prosthetic abutments with narrow angular orientation regions do not define a custom bending method to assist the dental surgeon and / or dental technician in determining a patient-friendly angle of each patient. individually and accurately without compromising the dimensional and mechanical properties of the prosthetic abutment.
- a new implant concept comprising a method of angular adaptation of a folding prosthetic abutment comprising a new constructive form, designed to be mechanically conformed, by means of a folding device involving a protective part of the aerial part.
- abutment abutment such as a cap
- an angled determination component such as a reference template.
- the prosthetic abutments are parts that make the connection between the implant and the future dental prosthesis, and are divided into two categories according to the type of prosthesis to be installed in the prosthetic stage, which may be cementable or screwable. Both cementable and bolt-on abutments have different heights for gum accommodation and are segmented into folding and non-folding. This patent document will only consider folding versions, which allow angular adaptation.
- the cementable folding prosthetic abutment aims to anchor the prosthesis through the cementation process in its superstructure, exhibiting specific characteristics, and can be bent in a conveniently positioned narrowing region.
- the screwable folding prosthetic abutment allows the future prophetic crown to be anchored by means of screws in the coronal portion that has a different diameter and height, as well as a threaded hole for connection of the prosthesis.
- the present invention proposes a folding prosthetic abutment including the custom angle fitting method to orient the abutment aerial to a slope that is favorable to the installation of the future prophetic crown, meeting functional and aesthetic criteria without compromise the dimensional and mechanical properties of the folding prosthetic abutment.
- the single body folding prosthetic abutment comprises a first guide segment, followed by a region of connection to an osseointegrated implant (not shown); an external geometry sacrifice and anchor zone at least larger than the outer geometry of the connecting region, followed by a narrowing region in the lower third for angular adaptation; and thereafter, a seating and fixing portion of a cemented or screwed prosthesis.
- connection region is conically shaped in accordance with a cavity disposed within the implant to promote attachment by means of a morse cone-type frictional system.
- both prosthetic abutment models, cementable or bolt-on may comprise a variation in height for compensation, particularly in the narrowing region, which may vary according to a smaller height-diameter ratio of the narrowing.
- the bolt-on prosthetic abutment model may further comprise a conical portion from the concordant narrowing region and convenient geometry so as to enable the gingival tissue to adapt upon regeneration.
- the preferred angular adaptation method is formed by a custom mechanical forming process involving an angle device; a reference abutment made of easily folding plastics and similar in geometry to a definitive prosthetic abutment; a protective cap to be coupled to the seating portion of the prosthesis of a permanent abutment; and a sacrificing and anchoring zone associated with the definitive prosthetic abutment, said sacrifice zone already mentioned above, which is used to promote the anchoring of the definitive prosthetic abutment in the folding device.
- the models of folding prosthetic abutments refer to definitive prophetic abutments, which will be conveniently connected to implants definitively, in order to differ from the reference abutment made of plastic material. easy to bend to determine the proper angle for said permanent prosthetic abutment.
- Said method of angular adaptation of a permanent prosthetic abutment consists of the following steps: positioning and connection of a reference abutment of folding plastic material in an internal cavity of an oral implant; bending by the professional who determines proper angulation by manually flexing the nail to bend in the narrowing region, checking the patient's occlusal conditions; removal of reference abutment from implant well; positioning and connection of the reference abutment in an angled device cavity; connection of a definitive prosthetic abutment model in another cavity of the angulating device, promoting its anchorage through the sacrificial zone, aligned with said reference abutment to allow comparison between the inclination of the abutments; coupling a protective cover to the seating portion of the prosthetic abutment of the final prosthetic; bending through the gradual advancement of an actuator directed at the coupling coupled to the upper portion of the definitive prosthetic abutment, so as to promote warping in the narrowing region, to achieve equal angle between the reference abutment and the
- a cementable prosthetic abutment may further comprise a second narrowing region near the prosthesis seating and securing portion, so as to enable adaptations complementary if necessary, depending on the aesthetic or mechanical requirements of the implant system.
- another suitable bending device may be used to promote the bending of the coronal seating portion of the prosthesis, which may comprise a suitable instrument for controlling the desired angulation.
- Figure 1 illustrates a perspective view of a foldable cementable final prosthetic abutment model (A) in an embodiment of the invention comprising a tapered connection region (2);
- Figure 2 illustrates a side view of the final foldable cementable prosthetic abutment (A);
- Figure 2A illustrates a side view of a foldable cementable final prosthetic abutment model (A) in one embodiment, comprising a thread segment (22);
- Figure 3 illustrates a perspective view of another embodiment of the foldable permanent prosthetic abutment (B) in an embodiment of the invention comprising a tapered connection region (2);
- Figure 4 illustrates a view. lateral of the definitive folding screw prosthetic abutment (B) presenting a possibility of height variation (h) of the narrowing region (4) of compensation of different gingival heights;
- Figure 5 shows a side view of a definitive foldable cementable prosthetic abutment (A) in a constructive variant, showing an example of height variation (h) of the narrowing region (4) of compensation of different gingival heights;
- Figure 6 shows a side view of a definitive screw-down prosthetic abutment ( ⁇ ') in a constructional variant, additionally featuring a tapered portion (7), compensating for different gingival heights;
- Figure 7 shows a schematic view of a definitive screwed down prosthetic abutment (B), showing an example of angular adaptation, with the narrowing region (4) shaped;
- Figure 8 illustrates a schematic side view of a permanent cementable prosthetic abutment (C) in one embodiment, showing a narrowing region (4) in the folded lower third, and another optionally folding narrowing region (11) in the portion. upper (5) prosthesis seating;
- Figure 9 illustrates a schematic side view of a permanent cementable prosthetic abutment (C) in a constructional embodiment, having a narrowing region (11) in the upper portion (5) of the folded prosthesis, and another narrowing region (9). ) in the lower third folding;
- Figure 10 illustrates a schematic side perspective view of a fold simulation of a permanent cementable prosthetic abutment of the narrowing region (9) in the lower third, in combination with the conformation of the narrowing region (11) in the upper portion (5) of the prosthesis seating, enabling numerous prosthetic adaptations;
- Figure 11 illustrates a side view of a reference abutment (R) of lower geometry similar to the definitive prosthetic abutment models already shown, basically differing from an upper region formed by a reference rod (16);
- Figure 12 shows a protective cap model (31) of the cementable permanent prosthetic abutments (A and C);
- Figure 12A shows a protective cap model (32) of the screw-on permanent prosthetic abutments (B and B ');
- Figure 13 shows a model of angulation device (D) for shaping the definitive prosthetic abutments
- Figure 14 shows a schematic view of the reference pillar (R) being connected to a cavity (29 ') of the bending device (D);
- Figure 15 shows a schematic view of an assembly sequence of the protective cap (31) on a definitive prosthetic abutment model (A) next to the bending device (D);
- Figure 16 shows a schematic perspective view of the components conveniently positioned and connected in the cavities of the angulating device (C);
- Figure 17 shows a partial schematic sectional view simulating the advance of an actuator (26) associated with that of the bending device (D) for performing the bend;
- Figure 17A shows an enlarged partial schematic cross-sectional view of a definitive prosthetic abutment model (B) connected to a cavity (29) of the bending device (D) comprising a protective cap (32) connected to the seating portion (5). ) of the prosthesis;
- Figure 18 shows a partial schematic view simulating the removal of a definitive prosthetic abutment model (A) conveniently angled in the bending device (D);
- Figure 19 shows a comparison between a definite abutment (A) and a reference abutment (R) with similar angles;
- Fig. 20 shows an example of another model of angulating device (E) in schematic perspective;
- Figure 21 shows a metallographic image of a narrowing region of a prior art prosthetic abutment;
- Figure 22 shows a metallographic image of a narrowing region of a prosthetic abutment of the present invention.
- the present invention relates to a new concept of folding prosthetic abutment, including angled fitting method, wherein:
- Figures 1 and 2 illustrate a definitive foldable cementable prosthetic abutment model (A) in one embodiment of the invention which comprises a first guide and anchor segment (1) followed by a connection region (2) to an osseointegrated implant (not shown); a sacrificial and anchor zone (3) of external geometry minimally larger than the external geometry of the connecting region (2); a narrowing region (4) in the lower third for angular adaptation; and from there, a seating and fixing portion of the cemented or screwed prosthesis (5).
- the prosthesis is anchored to portion (5) by the cementing process.
- the connecting region (2) is conically shaped in accordance with a cavity disposed within the implant (not shown) to promote attachment by means of a morse cone frictional system.
- Fig. 2A illustrates a definitive cementable foldable prosthetic abutment (A) in one embodiment, comprising a thread segment (22), as an example of another form of connection, designed to be conveniently threaded into a cavity disposed within. an implant (not shown) to promote connection and fixation.
- connection between the abutment and the implant may be accomplished by any suitable means known in the prior art.
- Figures 3 and 4 illustrate another embodiment of the definitive foldable prosthetic abutment (B) which comprises a small area seating portion (5) and a threaded hole (6) for fixing the prosthesis by means of a screw (not shown), maintaining the other characteristics of the definitive prosthetic abutment model (A).
- the sacrificial and anchor zone (3) is of minimally larger external geometry than the external geometry of the connecting region (2 or 22), whose purpose is to promote the anchorage of a permanent prosthetic abutment in a cavity (29 or 29 ') of an angle device (D) so as to define a minimum clearance between the connection region (2 or 22) and connection cavities (29 or 29 ') disposed on a base (28) of the appropriate angle device (D), which will be detailing later.
- the sacrificial and anchor zone (3) is substantially conical, and of external geometry consistent with the internal geometry of the cavities (29 or 29 '), in order to promote connection by means of the cone morse concept, as illustrated in figure 17A, which will be detailed later.
- the sacrificial zone (3) promotes the anchorage of the abutment close to the cavity (29 or 29 ') of the angular device (D), for execution of the fold. Due to the forces generated in the bending operation, the sacrificial zone (3) undergoes an intentional surface deformation, given that the anchor region in the cavities (29 or 29 ') provides greater mechanical strength.
- said sacrificial and anchor zone (2) restricts the contact between the connection region (2 or 22) and the internal region of the cavity (29 or 29 ') of the angulating arrangement (D), which avoids any deformations in the dimensional and mechanical properties of this region, which requires dimensional accuracy to promote proper connection between abutment and implant.
- either of the wells (29 or 29 ') comprises a seating area (12) disposed in the lower portion, concentric and in low relief, in which the first guide and anchor segment (1) of the final prosthetic abutment It is connected so as to promote alignment, assisting in anchoring when bending.
- the bending operation may cause changes in the dimensional of the regions near the narrowing and bending region (4), such as loss of circularity and flatness, which may make it difficult or impossible to fit the prosthetic component in the osseointegrated implant
- the aforementioned sacrificial and anchor zone (3) has been designed to act as a protection for parts that require dimensional accuracy, maintaining the original dimensional after bending operation.
- the narrowing region (4) comprises a circular hyperboloid configuration which defines a suitable morphological structure for obtaining an appropriate angle without compromising its mechanical strength necessary to resist the occlusal forces generated during the act of chewing.
- the narrowing region (4) is dimensioned considering a relationship that must be obeyed, described between the ratio of height (h) to the smallest diameter (d) of the narrowing region (4) and must be at least 0.37, which may increase according to the degree of inclination desired and the material used in the manufacture of the component.
- Definitive abutments can be made of materials compatible with the application, ie commercially pure titanium and its alloys or stainless steel, and may also have different metallurgical conditions, such as in the annealed state or in different degrees of cold deformation.
- the smallest diameter (d) matching the narrowing region (4) is approximately 2.25mm, while the height (h) is approximately 1.5mm resulting in a ratio of approximately 0.67, ie greater than 0.37.
- both definitive prosthetic abutment models (A and B) may comprise a height variation (h) of the narrowing region (4) to compensate for different gingival heights, as shown in Figure 5.
- Figure 4 illustrates a definitive screw-in foldable prosthetic abutment (B) showing a possibility of height variation (h) of the narrowing region (4)
- Figure 5 illustrates in a constructional variant a folding cementable difinitive prosthetic abutment (A) showing a variation in height (h) of the narrowing region (4) compensating for different gingival heights.
- Figure 6 illustrates a definitive screw-down prosthetic abutment ( ⁇ ') in a constructional variant, additionally featuring a tapered portion (7), compensating for different gingival heights, from the narrowing region (4) accordingly, and of convenient geometry to allow the gingival tissue to adapt when regenerating.
- Figure 7 illustrates a schematic view of a bent bolt-on prophetic pillar (B), showing an example of angular adaptation, with an inclination ranging from 0 to 35 degrees.
- Figures 8, 9 and 10 show a constructive variant of a cementable prosthetic abutment (C and C) comprising a first guide and anchor segment (1); followed by a connection region (2) to an osseointegrated implant (not shown); a sacrificial and anchor zone (3); a narrowing region (4 and 9) in the lower third for angular adaptation; and optionally further, a second narrowing region (11) next to the seating and securing portion of the prosthesis (5), so as to enable further adaptations if necessary, depending on the aesthetic or mechanical requirements of the implant system.
- another suitable bending device may be used to promote bending of the seating and securing portion (5) prior to anchoring of the prosthesis (not shown).
- FIG. 8 An example of angular adaptation is shown in Figure 8, where the prosthetic abutment (C) was bent into the narrowing region (4) of the lower third portion, with an inclination ranging from 0 to 35 degrees.
- Fig. 9 shows another example of angled fit where the prosthetic abutment (C) was bent alternatively in the narrowing region (11) of the prosthesis seating and securing portion (5) (not shown) with a varying inclination between 0 and 35 degrees.
- Fig. 10 illustratively illustrates a sum of folds for a particular angular fit, which, based on the reference axis (E1), can be observed at a bend in the narrowing region (9) in the lower third portion with a suitable 25 degree inclination, represented by the axis (E2), and another in the narrowing region (11) of the prosthesis seating and clamping portion (5) (not shown), with a complementary 7 degree inclination, represented by the axis (E3).
- the preferred angular adaptation method is formed by a custom mechanical forming process, preferably involving a suitable angle device (D); a reference abutment (R), similar in geometry to the models of folding prophetic abutments (A, A ', B, B' or C), made of easily folding plastics material; a protective cap (31 or 32) to be conveniently coupled to the seating portion (5) of the prosthesis (not shown) a definitive prosthetic abutment (A, A ', B, B' or C); and said sacrificial and anchor zone (3) associated with the prosthetic abutment models already described above.
- D suitable angle device
- R reference abutment
- R similar in geometry to the models of folding prophetic abutments
- A, A ', B, B' or C made of easily folding plastics material
- a protective cap 31 or 32
- Figure 11 illustrates a reference pillar (R) made of easily folding plastics material which also comprises a first guide segment (10); followed by a connection region (20) to an implant in the mouth; an anchor zone (30) of external geometry minimally larger than the connection region (20); a narrowing region (40) in the lower third for angular adaptation; and from there a suitable angle determination rod (50).
- R reference pillar
- the anchor zone (30) reference pillar (R) is also substantially conical, and of external geometry in accordance with the internal geometry of the angulation device (D) and internal cavity (29 ') and internal cavity (D) (29). not illustrated) of an implant in the mouth (not shown) in order to promote its connection for determination of the angle by the practitioner in the mouth, and to serve as a reference in the operation of folding a definitive folding prosthetic abutment (A, A ', B , B 'or C).
- Said reference abutment (R) can be defined as a specimen, which allows the professional to determine an appropriate inclination, which simply positions it in the mouth, in the conical implant well (not shown), promoting its connection by anchorage zone (3), and its cold conformation to obtain the desired angle, checking the patient's occlusal conditions.
- Figure 12 shows a protective cap model (31) of a permanent cementable prosthetic abutment (A, A ', or C), said cap (31) having a substantially conical coupling region (31 A) and geometry. internally consistent with the external geometry of the coronal portion (5), so as to promote coupling to said coronal portion (5) of a permanent cementable prosthetic abutment; and a through hole (31 B) in its upper portion to facilitate disassembly after the warping process.
- Figure 12A shows another embodiment of the protective cap (32) of the upper seating and fixing portion of the prosthesis (5) of a permanent screwed prosthetic abutment (B), said cap (32) having a substantially coupling region (32A). conical, and internal geometry consistent with the geometry coronal portion (5), so as to promote coupling to the coronal portion (5) of a screw-on definitive prosthetic abutment.
- the protective cap (31 or 32) besides protecting the upper portion (5), against surface deformation, allows the distribution of loads in the regions near the narrowing region (4), resulting from the folding operation, which when coupled, allows a uniform angular orientation, avoiding any deformations in the dimensional and mechanical properties of the upper portion (5) of seating and fixation of a prosthesis.
- Figure 13 shows a suitable angulating device model (D) comprising a base (28) housing a seating cavity (29 ') of a pre-folded reference post (R) according to the ideal mouth morphology of the patient, and another seating cavity (29) of a definitive prosthetic abutment (A, A ', B, B' or C) to be folded.
- Said angle device (D) further comprises a support (27) associated with an actuator (26), which will exert the bending force through a spindle displacement in contact with the protective cap (31 or 32) connected with a post to promote its flexion for angular adaptation.
- Figure 14 shows a simulation of a step of positioning the reference pillar (R) in the cavity (29 ') disposed in the base (28) of the bending device (D), and in this step the reference pillar (R) comprises the proper inclination determined by the professional in the mouth.
- Figure 15 presents an assembly sequence, starting from the reference abutment (R) already anchored, and with the proper inclination determined by the professional, who in 1 - step, positions and promotes the anchoring of a folding prosthetic abutment model (A ) in the cavity (29) disposed at the base (28) of the angular device (D), and subsequently introduces and anchors said protective cover (31) in the seating portion of the future prosthesis (5).
- Figure 16 shows a finalized preparation sequence for bending operation, where the rotational movement of the actuator (26) begins to flex a definitive prosthetic abutment.
- Figure 17 presents a bending simulation, where the gradually advancing actuator (26) promotes the desired inclination until equal angle is obtained between the reference abutment (R) and a definitive prosthetic abutment.
- Figure 17A illustrates a definitive prophetic pillar model (B), conveniently anchored in a cavity (29) by means of the sacrificial zone (3), and concentricly connected to the seating area (12) by the first segment of guide and anchor (1) disposed at the lower end of a permanent prosthetic abutment.
- the first guide and anchor segment (1) of the final prosthetic abutment (A, ⁇ ', B, B' or C) and the reference abutment (R) comprises an external geometry consistent with the internal geometry of the seating area ( 12) disposed inside the cavities (29 and 29 ') in a concentric and low relief form, in order to promote the aligned connection of the definitive and reference abutments, and in the process of bending, a definitive prosthetic abutment Said seating area (12) assists in anchoring for angular adaptation.
- Figure 18 shows the removal of the permanent prosthetic abutment (A) from the cavity (29) of the angulating device (C) and later the protective cap (31).
- Figure 19 shows a comparison between a definitive prosthetic abutment model (A) and a reference abutment (R), folded at equal angles.
- the invention includes an angular adaptation method comprised in the following steps:
- actuator (26) retraction and removal of the angled prosthetic abutment from the angulating device cavity (29) (D), the respective protective cap (31 or 32), and the angulation determining abutment (R) .
- the reference prosthetic abutment (R) may be replaced by a mouth angulation device, such as an intraoral goniometer, which may be used in the mouth to determine the appropriate angle as the clinical need arises. each patient.
- a mouth angulation device such as an intraoral goniometer
- Such goniometer can be coupled over the implant, already inside the mouth, which will allow to record by a pointer the angle that best corresponds to the alignment of the dental elements in the arch, considering the angle in which the implant was implanted.
- Another suitable measuring instrument (not shown) associated with the bending device may be used to control the angulation measured in the mouth by the professional.
- the goniometer is a known prior art instrument used for checking angular measurements.
- FIG. 20 shows as an example another schematic perspective angulating device (E) showing the conveniently connected and angled pillars which may be used in place of the angulating device (D) described as an exemplary embodiment of the invention involving a suitable method for angular adaptation.
- Angulating device (E) also comprises a base (28), which houses a cavity (29 ') to seat a pre-folded reference pillar (R), according to the ideal morphology of the patient's mouth, and another cavity ( 29) laying a definitive prophetic pillar (A, A ', B, B' or C) to be folded.
- Said angle device (E) also comprises a support (27) associated with an actuator (26), which will exert the bending force by an articulated movement, such as a lever, which, in contact with the protective cover (31 or 32) of a permanent abutment, promotes its flexion, for angular adaptation.
- an actuator such as a lever
- Figure 21 illustrates the result of a metallography test of a prosthetic abutment model disclosed in US Patent 4,645,453, showing cracking as a function of folding
- Figure 22 illustrates the result of a metallography test. of a crack-free, prosthetic abutment of the present invention.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Dentistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Prostheses (AREA)
- Dental Prosthetics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2014015753A MX368009B (es) | 2012-06-18 | 2013-06-13 | Poste protesico permanente plegable y respectivo metodo de plegado. |
RU2015101190/14A RU2602678C2 (ru) | 2012-06-18 | 2013-06-13 | Постоянный и гибкий протезный абатмент и соответствующий способ угловой регулировки |
BR112014030847-0A BR112014030847B1 (pt) | 2012-06-18 | 2013-06-13 | pilar protético definitivo dobrável e respectivo método de dobra |
US14/408,228 US10350034B2 (en) | 2012-06-18 | 2013-06-13 | Bendable prosthesis post and angular adjustment method |
ES13807078T ES2959518T3 (es) | 2012-06-18 | 2013-06-13 | Cuerpo de prótesis flexible y método de ajuste angular |
PL13807078.4T PL2898852T3 (pl) | 2012-06-18 | 2013-06-13 | Zginany słupek protezy i sposób regulacji kątowej |
IN10825DEN2014 IN2014DN10825A (pt) | 2012-06-18 | 2013-06-13 | |
CN201380044114.XA CN104640516B (zh) | 2012-06-18 | 2013-06-13 | 成形的且可弯曲的假基牙和角度调整方法 |
EP13807078.4A EP2898852B1 (en) | 2012-06-18 | 2013-06-13 | Bendable prosthesis post and angular adjustment method |
IL23624414A IL236244B (en) | 2012-06-18 | 2014-12-14 | Bendable bushing and angular and vertical adjustment method |
US15/995,741 US10456220B2 (en) | 2012-06-18 | 2018-06-01 | Bendable prosthesis post and angular adjustment method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BR2012/000187 WO2013188935A1 (en) | 2012-06-18 | 2012-06-18 | Bendable prosthetic abutment applied to osseointegrated dental implants |
BRPCT/BR2012/000187 | 2012-06-18 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/408,228 A-371-Of-International US10350034B2 (en) | 2012-06-18 | 2013-06-13 | Bendable prosthesis post and angular adjustment method |
US15/995,741 Division US10456220B2 (en) | 2012-06-18 | 2018-06-01 | Bendable prosthesis post and angular adjustment method |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013188939A1 true WO2013188939A1 (pt) | 2013-12-27 |
Family
ID=49767953
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/BR2012/000187 WO2013188935A1 (en) | 2012-06-18 | 2012-06-18 | Bendable prosthetic abutment applied to osseointegrated dental implants |
PCT/BR2013/000209 WO2013188939A1 (pt) | 2012-06-18 | 2013-06-13 | Pilar protético dobrável e método de adaptação angular |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/BR2012/000187 WO2013188935A1 (en) | 2012-06-18 | 2012-06-18 | Bendable prosthetic abutment applied to osseointegrated dental implants |
Country Status (15)
Country | Link |
---|---|
US (2) | US10350034B2 (pt) |
EP (1) | EP2898852B1 (pt) |
CN (1) | CN104640516B (pt) |
BR (1) | BR112014030847B1 (pt) |
CL (1) | CL2014003410A1 (pt) |
CO (1) | CO7230338A2 (pt) |
ES (1) | ES2959518T3 (pt) |
IL (1) | IL236244B (pt) |
IN (1) | IN2014DN10825A (pt) |
MX (1) | MX368009B (pt) |
PE (1) | PE20150746A1 (pt) |
PL (1) | PL2898852T3 (pt) |
PT (1) | PT2898852T (pt) |
RU (1) | RU2602678C2 (pt) |
WO (2) | WO2013188935A1 (pt) |
Families Citing this family (10)
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WO2013188935A1 (en) * | 2012-06-18 | 2013-12-27 | Dentscare Ltda | Bendable prosthetic abutment applied to osseointegrated dental implants |
AU2016277870B2 (en) | 2015-06-19 | 2021-04-08 | Nobel Biocare Services Ag | Dental connection assembly and method for producing a dental prosthesis |
DE102015113703A1 (de) * | 2015-08-19 | 2017-02-23 | Dentsply Implants Manufacturing Gmbh | Vorrichtung zur Bestimmung einer passenden Angulation eines Abutments für ein Zahnimplantat sowie Anordnung enthaltend eine solche Vorrichtung |
RU2017102870A (ru) | 2017-01-27 | 2018-07-27 | Никита Сергеевич Черновол | Дентальный имплантат |
RU2695772C2 (ru) | 2017-07-17 | 2019-07-25 | Никита Сергеевич Черновол | Набор имплантатов для имплантации |
WO2019018848A2 (en) * | 2017-07-21 | 2019-01-24 | Dentatus Usa Ltd. | REMOTE IMPLANT PILLAR |
RU195038U1 (ru) * | 2018-12-20 | 2020-01-14 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Подвесная система для вертикальной электропечи |
ES2730054B2 (es) * | 2019-02-26 | 2021-05-04 | Astradentium Health Tech S L | Pilar calcinable orientable para la fabricacion de una superestructura de una protesis dental |
TR202002478A2 (tr) * | 2020-02-18 | 2021-08-23 | Mode Medi̇kal Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Bükülebi̇len açilandirilabi̇len ve vi̇dalanabi̇len monoblok i̇mplant |
JP2024505020A (ja) * | 2021-05-27 | 2024-02-02 | 志忠 何 | 角度を備えるロッキングテーパー型支柱体 |
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2012
- 2012-06-18 WO PCT/BR2012/000187 patent/WO2013188935A1/en active Application Filing
-
2013
- 2013-06-13 PT PT138070784T patent/PT2898852T/pt unknown
- 2013-06-13 EP EP13807078.4A patent/EP2898852B1/en active Active
- 2013-06-13 CN CN201380044114.XA patent/CN104640516B/zh active Active
- 2013-06-13 WO PCT/BR2013/000209 patent/WO2013188939A1/pt active Application Filing
- 2013-06-13 ES ES13807078T patent/ES2959518T3/es active Active
- 2013-06-13 MX MX2014015753A patent/MX368009B/es active IP Right Grant
- 2013-06-13 RU RU2015101190/14A patent/RU2602678C2/ru active
- 2013-06-13 BR BR112014030847-0A patent/BR112014030847B1/pt active IP Right Grant
- 2013-06-13 PL PL13807078.4T patent/PL2898852T3/pl unknown
- 2013-06-13 PE PE2014002479A patent/PE20150746A1/es active IP Right Grant
- 2013-06-13 US US14/408,228 patent/US10350034B2/en active Active
- 2013-06-13 IN IN10825DEN2014 patent/IN2014DN10825A/en unknown
-
2014
- 2014-12-14 IL IL23624414A patent/IL236244B/en active IP Right Grant
- 2014-12-16 CL CL2014003410A patent/CL2014003410A1/es unknown
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2018
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Also Published As
Publication number | Publication date |
---|---|
EP2898852B1 (en) | 2023-08-02 |
WO2013188935A1 (en) | 2013-12-27 |
EP2898852A4 (en) | 2016-08-03 |
US10456220B2 (en) | 2019-10-29 |
MX2014015753A (es) | 2015-03-12 |
BR112014030847A2 (pt) | 2019-06-25 |
MX368009B (es) | 2019-09-12 |
PT2898852T (pt) | 2023-10-23 |
EP2898852A1 (en) | 2015-07-29 |
IL236244A0 (en) | 2015-01-29 |
BR112014030847B1 (pt) | 2020-11-10 |
US20180271624A1 (en) | 2018-09-27 |
US10350034B2 (en) | 2019-07-16 |
CN104640516B (zh) | 2017-09-26 |
CL2014003410A1 (es) | 2015-06-12 |
RU2015101190A (ru) | 2016-08-10 |
PL2898852T3 (pl) | 2024-01-03 |
RU2602678C2 (ru) | 2016-11-20 |
ES2959518T3 (es) | 2024-02-26 |
US20150173863A1 (en) | 2015-06-25 |
PE20150746A1 (es) | 2015-05-17 |
CO7230338A2 (es) | 2015-03-31 |
IL236244B (en) | 2019-10-31 |
IN2014DN10825A (pt) | 2015-09-04 |
CN104640516A (zh) | 2015-05-20 |
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