METHOD FOR RECONSTRUCTION OF SOFT TISSUES AFTER OSTEOPLASTIC OPERATIONS ON JAWS WITH IMPLANT TREATMENT Russian patent published in 2021 - IPC A61B17/24 A61C8/00 

FIELD: medicine.

SUBSTANCE: invention relates to medicine, namely to dental surgery. A two-stage surgery is performed. At the stage of installing implants into the bone previously restored by augmentation, a linear incision is made along the alveolar ridge of the jaw. A section of the ridge apex is skeletonized. Implants are installed. The vestibular and lingual/palatal full-layer muco-periosteal flaps are discarded at least 5 mm in depth from the apex of the alveolar ridge. On the inner surface of the vestibular flap, at a depth of at least 5 mm, the periosteum is dissected in the horizontal direction. The flap is split in the apical direction, the muscle fibers are stretched in the vertical direction. A free connective tissue autograft is taken from the palate with a thickness of at least 2 mm, a width greater than the width of the apex of the alveolar ridge by at least 2 mm. It is placed over the installed implants and fixed to the periosteum from the vestibular and lingual/palatal sides below the level of mobilization with resorbable sutures. Then the vestibular flap is displaced coronary over the autograft and sutured with non-resorbable sutures. The second stage is performed no later than 6 weeks before the installation of the healing caps. An incision is made along the mucogingival line to the periosteum. The mucous flap is peeled off, the vestibule is deepened by at least 1 cm, peeling off the muscle and connective tissue cords from the periosteum. The edge of the free mucous membrane is fixed at the base of the wound with resorbable sutures. Two free gingival autografts with a thickness of at least 2 mm are taken from the donor zone on the hard palate, in the form of strips with a length commensurate with the length of the wound and a width of at least 2 mm. One autograft is placed in the depth of the vestibule, the second - at the apex of the ridge in the area of the projection of the base of the implants. The grafts are fixed with non-resorbable sutures. A collagen matrix is cut out to cover the open part of the wound. Place it on the open periosteum and sew the matrix with non-resorbable sutures.

EFFECT: method allows creating a volumetric attached keratinized gum after osteoplastic operations in a volume sufficient to overlap the zone of bone reconstruction of the jaw and installed implants, without the formation of scars in the intervention area, bringing the volume of soft tissues obtained in the area of the future orthopedic structure closer to the size of the biological width of 2-3 mm, ensures the stability of the gingival contour and the future construction in the long-term postoperative period.

1 cl, 2 ex