30 results about "Peri-implantitis" patented technology

The present invention belongs to the fields of dental implants and surface treatment, and relates to a dental implant, an implant tooth and a preparation method of the dental implant. The dental implant is divided into two parts of a neck region and a body region along an axial direction, and the neck region has anti-microorganism properties and the body region has osteogenic properties by controlling a surface microstructure. The provided dental implant has super hydrophilicity/hydrophobicity. Aiming at the neck region of the dental implant, the specific structure based on the structure enables the dental implant to have super hydrophobicity and anti-microorganism functions, solves a major clinical demand that adhesion and proliferation of oral bacteria in junction areas between soft andhard tissues of the dental department lead to peri-implant inflammation to cause loss of the implant, and forms an effective biological seal; and aiming at the implant body, a multi-level micron morphology based on the surface structure enables the dental implant to have super hydrophilicity, and is also more conducive to adhesion and proliferation of osteoblasts.

The invention provides a bionic micro/nano antibacterial structure, a manufacturing method therefor and application of the bionic micro/nano antibacterial structure. The bionic micro/nano antibacterial structure is applied to an oral cavity implant and comprises an implant base station and micro/nano burs which are arranged on the implant base station and are tightly incorporated with the implantbase station. According to the bionic micro/nano antibacterial structure, the micro/nano bur structure with an antibacterial function is applied to the surface of the implant base station, so that theimplant base station can have very good antibacterial performance, bacteria surrounding an implant can be inhibited durably, and periarthritis of the implant can be eliminated or decelerated; and thebionic micro/nano antibacterial structure is harmless to human bodies.

The invention relates to the technical field of dental implantation, in particular to a pterygoid plate-penetrating implant and an oral implant. The pterygoid plate-penetrating implant comprises an implant head part and an implant neck part which are connected in sequence, the implant head part is a conical body, the outer diameter of the implant head part is gradually increased from the near endto the far end, the implant head part comprises a tip part and a mounting part connected to the tip part, the near end of the tip part is a tip, the mounting part is connected to the implant neck part, a self-tapping threaded section is arranged on the periphery of the tip part, a double-line threaded section is arranged on the periphery of the mounting part, and a self-tapping groove is formed inthe implant head part. The implant head part is conical, a plurality of threaded sections are arranged on the implant head part, and the implant head part is of a double-thread structure and has self-tapping performance; and the tip of the implant head part has certain cutting capacity. The implant neck part is beneficial to osseointegration and convenient to cleaning after bone resorption, and prevents inflammation around the implant.

The invention discloses an implant for improving the sealing performance of soft tissue around the implant. The implant comprises a body part and a base foundation or a neck part, wherein the base foundation is connected with the body part through a screw; the neck part is integrally connected with the body part; the upper part of the body part matches with the bottom of the base foundation to form a shoulder foundation of 0.2-0.7mm wide; a first micro pore zone of 3-5mm wide is arranged on the implant; first micro pores which are uniformly distributed are formed in the first micro pore zone;the size of the first micro pores is 1-3 micrometers; the surface of an area above the first micro pore zone is a smooth surface; and the first micro pore zone is positioned on the surface of the basefoundation or the neck part above the top of the body part. The implant emphasizes on creativeness of the sealing performance of a gum threading part of the implant, the adhesiveness of soft tissue to the implant is improved, mucosal inflammation around the implant and peri-implantitis can be reduced, and the long-term success rate of implanting can be increased.

The present invention relates to the field of medical devices and particularly to an oral implant for preventing peri-implantitis. The provided oral implant for preventing peri-implantitis comprises an implant body and a porous surface layer distributed on the surface of the implant body, and the porous surface layer comprises Zn and Sr. The provided implant is simple in body structure and low inmanufacture cost. The surface of the implant body comprises the porous surface layer, besides, the porous surface layer is doped with Sr and Zn, the two elements can play a synergistic effect, so thatthe implant body has better osteogenic induction performance and microorganism inhibition functions. The implant body can be further used to prepare the oral implant. The oral implant shows excellenteffects in preventing and relieving peri-implantitis and thus has a good industrialization prospect.

The invention discloses a modularized layered dental implant. The modularized layered dental implant comprises a module layer and a bottom layer, wherein the module layer comprises a plurality of module units, all the module units are stacked in the vertical direction, every two vertically adjacent module units are detachably connected, the outer side wall of at least one module unit is provided with a plurality of accommodating holes, a first external thread is formed in the outer side wall of at least one module unit; and the bottom layer is detachably connected to the bottom of the module layer, and a second external thread is arranged on the outer side wall of the bottom layer. According to the modularized layered dental implant disclosed by the invention, the module units on a top layer are removed through a repairing tool and are cleaned and replaced, so that the problem of inflammation around the implant is effectively solved. According to the condition of alveolar bone deficiency of a patient, the module units on the top layer with the proper height and diameter can be selected for replacement, and personalized repair is achieved. The dental implant can be applied to the field of dental implants.

An ultrasonic tip, attachable to an ultrasonic handheld instrument for vibrational energy, and method for treating peri-implantitis by removing a thin layer of the surface of the contaminated metal implant base that is exposed from the loss of osseo-integration due to bacteriological biofilms. The ultrasonic tip includes a narrow wire shaft body having at its distal end a concave abrasive diamond-coated tapered grinder plate with a front grinding surface, tapered in thickness from top to bottom, that can be manually pressed against an exposed implant base vertical cylindrical diseased surface while the grinder plate is vibrated ultrasonically to remove a thin layer of the titanium alloy metal implant base. The ultrasonic tip narrow wire shaft body has three bends to avoid the crown when manually positioning the grinding surface of the grinder plate to ensure manipulation the grinding surface by the periodontist. A detoxicant liquid is introduced during cleaning to enhance removal of diseased material by vibration of the liquid to penetrate microstructural surface areas of the implant base.

The invention discloses a peri-implantitis treatment device capable of promoting synostosis. The peri-implantitis treatment device comprises a shell, and is characterized in that a liquid medicine supply tube, an ultrasonic generation device, a transduction transmission device, a negative pressure recovery device for recovering waste liquid, a control device and a power supply are arranged in the shell; the power supply, the ultrasonic generation device, the transduction transmission device and the negative pressure recovery device are all connected with the control device; a treatment tip used for being in threaded connection with an implant is arranged at the end of the shell; the treatment tip comprises a liquid medicine tube communicated with the liquid medicine supply tube and a backflow tube communicated with the negative pressure backflow device; the liquid medicine tube is connected with the transduction transmission device; the backflow tube is arranged outside the liquid medicine tube in a sleeving mode; the liquid medicine tube is provided with a plurality of working tips used for being inserted into a gap between an implant and gingiva, and the working tips are provided with liquid medicine holes used for discharging liquid medicine; and a plurality of waste liquid backflow holes are formed in the periphery of the backflow tube. According to the peri-implantitis treatment device, ultrasonic waves are utilized to carry out oscillation cleaning on the peripheral lacuna of the implant, and mechanical micro-stimulation is carried out on the implant, so that synostosis of the implant and an alveolar bone is promoted.

The invention provides a mortise and tenon joint-type repair design method applied to dental crown implantation in a feature-beautifying area. The method comprises the following steps: fixing an implant in an alveolar bone; after the implant and the alveolar bone are combined into a whole, arranging a porcelain abutment at an upper end of the implant; and taking a porcelain veneer, placing the porcelain veneer at an upper end of the porcelain abutment in a sliding manner along a surface of the porcelain abutment, and fixedly connecting the ceramic veneer with the porcelain abutment in a mortise and tenon joint manner. A full dental crown is changed into an improved porcelain veneer, the personalized porcelain abutment matched with the porcelain veneer is designed, the porcelain veneer and the porcelain abutment are fixedly connected in the mortise and tenon joint manner, such that an adhesive is not needed, a problem of inflammation around the implant caused by the residual adhesive is avoided, a success rate of implantation is increased, the porcelain veneer is arranged and a problem of aesthetic defects of a dental crown lip side opening caused by screw retention is effectively solved.

The invention belongs to the technical field of biology, and specifically discloses an antibacterial peptide PLC13 and application thereof to inhibition of peri-implantitis bacteria. The sequence of the antibacterial peptide PLC13 is shown as SEQ ID NO: 1; one end of a peptide chain of the antibacterial peptide is connected with acetate, and the other end of the peptide chain of the antibacterial peptide is connected with an amino group. The antibacterial peptide PLC13 is discovered to have obvious antibacterial activity to the peri-implantitis bacteria, is safe and nontoxic to human bodies, meanwhile has the characteristics of short peptide chain, easiness in synthesis, low cost and the like, and can be effectively applied to inhibiting the infection of oral cavity by the peri-implantitis bacteria, particularly the infection of fusobacterium nucleatum and staphylococcus aureus.

The invention discloses an implant with biological activity and conditional antibiosis, and belongs to the technical field of dentistry, the implant comprises a support body, threads are arranged on the outer side of the support body, the support body is arranged to be of a porous structure, the porous structure provides a support for cell and new bone ingrowth and has osteoconductivity, silver nanoparticles are placed in pores of the porous structure, and the outer side of the porous structure is coated with a bioactive layer. The synergistic strain of the implant and the bone enables the masticatory force to be uniformly dispersed and conducted, the porous structure not only has the advantage of mechanical performance, but also can provide a support for cell and new bone ingrowth, has osteoconductivity, can be used as a biological medicine bin, and is provided with a coating to promote early osteogenesis, the formation of new bones and small blood vessels can be found in the second week to the fourth week after the implant is implanted, and the implant has biological activity. The coating also has a conditional pH antibacterial property, and can effectively prevent the occurrence of peri-implantitis.

Disclosed is a complex including at least one lactoferrin and at least one silica having a specific surface area included between 100 m2/g and 1000 m2/g (BET area, measured according to standard ISO 9277-2010), the complex being obtainable by adding the lactoferrin to the silica in the form of a sol-gel with an aqueous solvent, and subsequent drying of the sol-gel. The complex is particularly suitable for use in oral care products, in particular toothpastes, mouthwashes, gels, chewing gum, tablets for use in oral care, gingival dyes, and the like. The complex features a high level of stability and bio-availability, such that it has an effective, long-lasting antibacterial and antioxidant action within the oral cavity. The complex is particularly suitable for the prevention or treatment of diseases of dental apparatus, in particular for the prevention or treatment of periodontitis or peri-implantitis, preferably in patients suffering from diabetes.

Described herein is a bifunctional peptide, compositions comprising the same, and methods useful for treatment of peri-implant disease.

The invention relates to the technical field of biological materials, in particular to an implant material applicable to osteoporosis patients as well as a preparation method and application thereof.The implant material comprises a TiO2 coating, biological trace element components are doped in the TiO2 coating, the mass percentage of the TiO2 coating is 74%-78%, and the mass percentage of the biological trace element components is 22%-28%. The biological trace element components are selected from strontium and/or zinc. The implant material disclosed by the invention is a material capable of promoting osseointegration and bone regeneration around the implant material, and the concentration of zinc and/or strontium on the surface of the implant is optimized, so that the implant material hasa good antibacterial effect while promoting osteoporosis osteogenesis and implant osseointegration, and implant treatment failure caused by possible poor osseointegration and peri-implantitis after the implant material is implanted into an osteoporosis patient is prevented.