System of converting removable dental prosthesis into fixed dental prosthesis, prosthesis fixation cylinder, sealing element, and method of converting removable dental prosthesis into fixed dental prosthesis

Fixation cylinder for dental prosthesis, characterized by the fact that it interfaces the fixation of a removable dental prosthesis from its base to at least two implants applied to the patient, wherein

• said cylinder 10.1 has a body in the frustoconical shape, defined by an annular base 11 with an external diameter equivalent to the diameter of a flat platform 31 of an intermediate prosthetic component 30;
• said fixation cylinder 10.1 has a lower region 12 with a frustoconical profile and provided with a toroidal contour rib 13, and an upper region 14 consisting of frustoconical platforms 15 arranged parallel to each other and with progressively smaller external diameters in the upward direction,
• said frustoconical platforms 15 being joined together by cylindrical recesses 16 and provided, on one or both sides, with vertical cutouts 17 applied to two or more platforms 15;
• said fixation cylinder 10.1 has a flat top surface 18 and is provided with a central circular opening 19 for accessing a cylindrical internal compartment,
• the cylindrical internal compartment extending downwards until reaching a perimeter platform 20 provided with an internal mid hole 21 with a smaller diameter than the circular opening 19, but with a diameter corresponding to the passage of a sealing component 50 or a fixation screw,
• wherein below said perimeter platform 20 there is a second internal compartment 22 with dimensions equivalent to those of the upper portion of the intermediate prosthetic component 30.

Fixation cylinder for dental prosthesis, characterized by the fact that it interfaces the fixation of a removable dental prosthesis from its base to at least two implants applied to the patient, wherein

• said fixation cylinder 10.2 has a body in the frustoconical shape, defined by an annular and convex region 110.1, the closure of the external diameter of which coincides with a diameter of a flat platform 31 of an intermediate prosthetic component 30;
• said fixation cylinder 10.2 has a toroidal contour rib 130 arranged above the annular and convex region 110.1 and with a reduction in diameter in relation to the region 110.1 itself;
• said fixation cylinder 10.2 has a second diameter reduction 110.2 preceding the arrangement of a set of three frustoconical platforms 15 joined together by cylindrical recesses 16 with a diameter reduction to a minimum corresponding to the diameter of a sealing component 50,
• one or more of said three frustoconical platforms 15 being provided on one or both sides with vertical cutouts 17,
• said fixation cylinder 10.2 has a flat top surface 18 and is provided with a central circular opening 19 for accessing a cylindrical internal compartment,
• the cylindrical internal compartment extending downwards until reaching a perimeter platform 20 provided with an internal mid hole 21 with a smaller diameter than the circular opening 19, but with a diameter corresponding to the passage of a sealing component or a fixation screw,
• wherein below said perimeter platform 20 there is a second internal compartment 22 with dimensions equivalent to those of the upper portion of the prosthetic component 30.

Fixation cylinder for dental prosthesis, characterized by the fact that it interfaces the fixation of a removable dental prosthesis from its base to at least two implants applied to the patient, wherein

• said fixation cylinder 10.3 has a body in the frustoconical shape, defined by an annular support region 110.1a for a convex annular region 110.1, the closure of the external diameter of these two elements together coincides with the diameter of the flat platform 31 of an intermediate prosthetic component 30;
• said fixation cylinder 10.3 is provided with a toroidal contour rib 130 after the annular and convex region 110.1 in an upward direction, which promotes a reduction in diameter in relation to the region 110.1 itself;
• said fixation cylinder 10.3 is equipped with a second reduction in diameter in an upward direction, which precedes a first platform 15.a with a ridged shape that introduces the arrangement of a set of frustoconical platforms 15 joined together by cylindrical recesses 16,
• said assembly comprising three platforms 15 interspersed by two recesses 16 promoting a reduction in diameter to a minimum corresponding to the diameter of a sealing component 50,
• one or more of said three frustoconical platforms 15 being provided on one or both sides with vertical cutouts 17;
• said fixation cylinder 10.3 has a flat top surface 18 and is provided with a central circular opening 19 for accessing a cylindrical internal compartment,
• the cylindrical internal compartment extending downwards until reaching a perimeter platform 20 provided with an internal mid hole 21 with a smaller diameter than the circular opening 19, but with a diameter corresponding to the passage of a sealing component or a fixation screw,
• wherein below said perimeter platform 20 there is a second internal compartment 22 with dimensions equivalent to those of the upper portion of the prosthetic component 30.

Cylinder sealing component in prosthetic procedures, for placement on an intermediate prosthetic component 30, characterized by the fact that:

• said sealing component 50 is manufactured from flexible material, preferably of the polymer type;
• said sealing component 50 comprises a lower rod 51 whose lower end has fixation means and is provided with a pre-hole 512;
• said sealing component 50 comprises an upper region provided with an end section 55 with a diameter larger than the diameter of a circular opening 19 in a top surface 18 of the cylinder;
• said sealing component 50 being firmly fixed to the cylinder by means of the application of controlled torque through a tool inserted into a hole 57 provided at the center of a top surface 56, and
• said sealing component 50 being extracted together with the cylinder, both adhered to the conformable material arranged in the prosthesis, after the material curing procedure.

Cylinder sealing component in prosthetic procedures, for placement on an intermediate prosthetic component 30, characterized by the fact that:

• said sealing component 50 is manufactured from flexible material, preferably of the polymer type;
• said sealing component 50 comprises a lower rod 51 whose lower end has fixation means and is provided with a pre-hole 512;
• said sealing component 50 comprises an intermediate region whose lower portion has a diameter greater than the diameter of an internal mid hole 21 of an internal perimeter platform 20 and located in the middle region of the cylinder;
• said sealing component 50 comprises an upper region provided with an end section 55 with a diameter adjusted to the diameter of a circular opening 19 in a top surface 18 of the cylinder;
• said sealing component 50 being firmly fixed to the cylinder by means of the application of controlled torque through a tool inserted into a hole 57 provided at the center of a top surface 56, and
• the said sealing component 50 being extracted together with the cylinder, both adhered to the conformable material arranged in the prosthesis, after the material curing procedure.

Method of converting removable dental prosthesis into fixed dental prosthesis, in a dental office environment, characterized by the fact that it comprises the following steps:

• (1) removing the removable denture from the patient's mouth;
• (2) installing implants (40) in the patient's mandible or maxilla, and fixing a prosthetic component (30) on each implant (40);
• (1000) positioning a dental carbon sheet over the sets in the patient's oral cavity;
• (1002) drilling cavities in the base of the existing prosthesis, at the locations marked by carbon, which correspond to the position of the prosthetic components (30) and, therefore, of the fixation cylinders (10);
• (1003) positioning the fixation cylinder (10) on the prosthetic component (30) and, using a torque tool, rotating the sealing component (50) until it is observed that the cylinder (10) is firmly attached to the prosthetic component (30);
• (1004) repeating step (1003) for all prosthetic components (30) installed on implants (40) in the patient's oral cavity;
• (1005) applying a layer of polymerizable acrylic resin for dental use over the base, or hollow channel of the base of the existing prosthesis;
• (1006) applying a layer of polymerizable acrylic resin for dental use around the fixation cylinders (10), whose circular openings (19) are properly sealed by the sealing components (50);
• (1007) Positioning the existing prosthesis at the place of use in the patient's mouth, and asking the patient to exert gentle occlusal force until the acrylic resin has solidified;
• (1008) after the acrylic resin has completely solidified, removing the prosthesis comprising the conversion system incorporated into its base from the patient's oral cavity;
• (1009) sanding the base of the prosthesis to remove excess resin and make it uniform;
• (1010) attaching a fine drill bit to the inside of the pre-hole (512) of the sealing component (50), and drilling a hole called a “chimney” in the prosthesis, from the base towards the teeth, for subsequent insertion of a fixation screw;
• repeating this procedure for all fixation cylinders (10) incorporated into the base of the prosthesis;
• (1011) using a drill compatible with the fixation screw to be used, enlarging the diameter of the chimneys by drilling them in the direction of the teeth towards the base of the prosthesis;
• (1012) uniformizing the resin on the prosthesis base, polishing it and finishing it;
• (1013) positioning the prosthesis in the place of use and, with the aid of a torque tool, inserting the fixation screws into the chimneys and screwing them into the prosthetic components (10) so that the prosthesis is fixed in the patient's mouth;
• (1014) Applying resin to close the chimneys and completing the installation.

Method of converting removable dental prosthesis into fixed dental prosthesis, in a laboratory environment, characterized by the fact that it comprises the following steps:

• (1) removing the removable denture from the patient's mouth;
• (2) installing the implants (40) in the patient's mandible or maxilla, and fixing a prosthetic component (30) on each implant (40);
• (2000) attaching a transfer to each prosthetic component (30) and making a mold of the patient's arch with the aid of a mold;
• (2001) after the appropriate waiting period, removing the mold containing the transfers that were captured during the impression from inside the patient's mouth;
• (2002) optionally, installing a healing cap or cover screw over each prosthetic component (30) so that they remain there during the period of conversion of the prosthesis to be made in the laboratory;
• (2003) installing an analogue of the prosthetic component (30) on each transfer captured in step (2001) and, using plaster or similar material, preparing the working model containing replicas of the prosthetic components (30) already installed in the patient's mouth;
• (2004) positioning the conversion system over the replica of the prosthetic component (30) and using a torque tool to rotate the sealing component (50) until the cylinder (10) is fixed to the replica;
• (2005) repeating step (2004) for all existing replicas in the working model;
• (2006) applying a layer of polymerizable acrylic resin for dental use on the base, or in the hollow channel existing in the base of the existing prosthesis;
• (2007) applying a layer of polymerizable acrylic resin for dental use on the working model and around the fixation cylinders (10, 100), whose circular openings (19) are properly sealed by the sealing components (50);
• (2008) positioning the existing prosthesis on the plaster model, in a position corresponding to that used by the patient, and applying gentle pressure until the acrylic resin has solidified;
• (2009) after the acrylic resin has completely solidified, removing the prosthesis from the plaster model, including the conversion system incorporated into its base;
• (2010) sanding the base of the prosthesis to remove excess resin and make it uniform;
• (2011) attaching a fine drill bit to the inside of the pre-hole (512) of the sealing component (50), and drilling a hole called a “chimney” in the prosthesis, from the base towards the teeth, for subsequent insertion of a fixation screw;
• repeating this procedure for all fixation cylinders (10) incorporated into the base of the prosthesis;
• (2012) using a drill compatible with the fixation screw to be used, enlarging the diameter of the chimneys by drilling them from the teeth towards the base of the prosthesis;
• (2013) uniformizing the resin on the prosthesis base, polishing it and finishing it;
• (2014) positioning the prosthesis in the place of use and, with the aid of a torque tool, inserting the fixation screws into the chimneys and screwing them into the prosthetic components (10) so that the prosthesis is fixed in the patient's mouth;
• (2015) Applying resin to close the chimneys and completing the installation.