31 results about "Dental extraction" patented technology

Provided is a novel and creative dental tissue regeneration method for regenerating dental tissue after pulpectomy or the enlargement and cleaning of an infected root canal. After pulpectomy or the enlargement and cleaning of an infected root canal, a root canal filler (200) having an extracellular matrix (210) containing the cells (220) enriched for dental pulp stem cells, is inserted into the apical side of the root canal of a target tooth (100). The cells including dental pulp stem cells include at least one of the following: dental pulp SP cells, CD31-negative and CD146-negative cells, CD24-positive cells, CD105-positive cells, and CD150-positive cells. For instance, dental pulp SP cells are CD31− and CD146− negative. Even if pulpitis due to deep caries occurs, appropriate dental pulp regeneration and recovery of dental pulp function are possible.

The invention is a homogeneous bone powder and its manufacturing method, which relates to filler for bone deficiency caused by several kinds of reasons in department of stomatology clinic treatment and its manufacturing method. The powder can be produced through crashing human bone into particle with particle size of 0.125-0.9mm, then carries on degreasing in distilled water and alcohol with supersonic method, then carries on mine eliminating in hydrochloric acid with supersonic method, following, eliminates the acid and adjusts the pH value, sterilization, finally freezes and dries, and irradiates them. It can reduce the immunogenicity, reserves adult bone factor, and kills pathogenetic microbe. It can be used as the fillers directly for bone deficiency caused by periodontal disease, dental extraction, cyst and tumor. It also can be processed into bone transplanting material with non-natural structure remolded with biology conciliator, in order to cure bone deficiency caused by other reasons.

The invention provides gelatine-PCL (posterior cruciate ligament) dental hemostatic sponge and a preparation method thereof. The preparation method comprises the following steps of: firstly, stirring a gelatine solution with the mass fraction of 5-20% with a PCL solution with the mass fraction of 10-20% at the temperature of 25-60 DEG C to react for 1-5 hours so as to prepare a combined solution, then adding auxiliary additives to the combined solution, continuously stirring for 1-3 hours at the temperature of 25-60 DEG C to prepare a mixed solution, pouring the mixed solution into a mould, freezing for 0.5-4 hours at the temperature of minus 20 DEG C, and finally freeze drying and moulding in a freeze drying machine to obtain the gelatine-PCL hemostatic sponge. The gelatine-PCL hemostatic sponge prepared by the invention has good retention property, hemostatic property and anti-inflammatory bacteriostatic effect; the product is safe and effective without toxic or side effect; waste can be degraded without causing environmental pollution; and the gelatine-PCL hemostatic sponge can be widely applied as a postoperation hemostatic material for dental extraction and other oral surgeries and has a good market application prospect.

The invention discloses a personalized orthodontic appliance having an orthoaxis function, which comprises No.1 to No.7 personalized orthodontic lingual brackets connected in series with each other by an arch wire. Each personalized orthodontic lingual bracket comprises a base plate and a bracket body portion connected with the base plate. Among the No.1 to No.7 personalized orthodontic lingual brackets, towing hooks with through holes are arranged on the lower sides of the bracket body portions of at least two personalized orthodontic lingual brackets, and the through holes are connected together in series through an axis correction wire. The towing hooks with the through holes are arranged on the lower sides of the bracket body portions of the personalized orthodontic appliance having the orthoaxis function, and the orthoaxis wire penetrates through the through holes, so that corresponding orthodontic force is produced on the lower sides of the bracket body portions while the dentalcrown moves in the orthodontic process, thereby gradually correcting the positions of the roots of teeth and avoiding the inclination of teeth in the distal movement process; therefore, the personalized orthodontic appliance has the orthoaxis function. Besides, the personalized orthodontic appliance is simple and smart in structure, good in axis correction effect, and thus suitable for dental extraction cases in personalized orthodontic therapy.

The invention provides a collagen-polycaprolactone (PCL) dental hemostatic sponge and a preparation method thereof. The method comprises the following steps of: blending 0.2 to 1 mass percent of collagen solution and 0.5 to 10 mass percent of PCL solution, stirring at the temperature of between 1 and 30DEG C, reacting for 1 to 6 hours to obtain complex liquid; adding auxiliaries into the complex liquid, continuously stirring at the temperature of between 1 and 30DEG C for 1 to 4 hours to obtain a mixed solution; pouring the mixed solution into a mold, freezing at the temperature of -20DEG C for 0.5 to 4 hours; and performing freeze drying in a freezer dryer to obtain the collagen-PCL hemostatic sponge. The collagen-PCL hemostatic sponge prepared by the method has good retention ability, hemostasia, anti-inflammatory and antibacterial property and biocompatibility, is effective and safe without toxic or side effect, can be widely used as a postoperative hemostatic material for exodontias and other oral surgeries and has good market application prospect; and waste can be degraded and cannot pollute environment.

The present invention relates to a method of delivering local anesthetic after dental extraction surgery. The present invention relates to packing the tooth socket with a tinned release local anesthetic which is coordinated with an initial local anesthetic and which lasts up to 5 days. The socket can be surgically sealed or the implant can act as the sealing means.

Various Dental Extraction Burs are provided to practitioners to assist them in the extraction of a tooth or a portion of a tooth. Some Extraction Burs are embedded in a hole drilled in the tooth or portion of tooth, while others are attached to the surface of the tooth. After the Extraction Bur is attached to the tooth, the practitioner secures a handle to the Extraction Bur. Using the handle, the Extraction Bur and tooth or portion of tooth is removed from the patient.

A periotome for use in dental extractions and in placing of dental implants. The dental instrument is provided with a thin blade having cutting surfaces that cut the ligaments which bind the tooth to the bone in an up and down sawing motion.

The invention provides a multi-functional tooth extraction forceps for dentistry, which includes a main body of the device, a light slot, an LED light, a micro pump, an alcohol storage box, a camera, and an electric telescopic rod. On both sides, LED lights are assembled inside the light groove. This design solves the problem that the lighting function of the original tooth extraction forceps is not comprehensive enough. The micropump is installed on the lower end of the water pipe, and the alcohol storage box is installed on the right side of the main body of the device. The wires passing through the micropump It is connected with the disinfection button. This design solves the problem that the original tooth extraction forceps has no disinfection function. The camera is fixed on the left end of the connecting rod through bolts. The electric telescopic rod is connected to the camera through the connecting rod. The electric telescopic rod is assembled inside the protective cover. This design solves the problem that the original tooth extraction forceps has no camera function, and the invention is convenient to use, has strong disinfection function, strong functionality and wide applicability.

The present invention relates to a degradable filling composition for tooth extraction wounds and a preparation method and a use of the degradable filling composition. The degradable filling composition is characterized by comprising the following raw materials in parts by weight: 20-60 parts of calcium stearate, 10-40 parts of an alginic acid / chitosan compound, 5-30 parts of bioactive glass, 10-60 parts of tocopherol acetate and 0-30 parts of poloxamer. The preparation method comprises the following steps: mechanically and uniformly mixing the calcium stearate, alginic acid / chitosan compound,bioactive glass and poloxamer, then adding the tocopherol acetate, uniformly mixing the materials to form a muddy ash-shaped mixture, and shaping, packaging and sterilizing are conducted to obtain the degradable filling composition for the tooth extraction wounds. After tooth extraction, the composition is filled in the tooth extraction wounds to prevent complications of tooth extraction. The degradable filling composition for the tooth extraction wounds is a putty-shaped material which can be shaped and deformed at will, can be used for filling tooth extraction nests in any shapes, is also long in acting time, can also stabilize a hemostatic effect, and plays roles in repairing and inhibiting microorganisms at the same time.

A periotome for use in dental extractions and in placing of dental implants. The dental instrument is provided with a thin blade having cutting surfaces that cut the ligaments which bind the tooth to the bone in an up and down sawing motion.

The present invention relates to a method of delivering local anesthetic after dental extraction surgery. The present invention relates to packing the tooth socket with a tinned release local anesthetic which is coordinated with an initial local anesthetic and which lasts up to 5 days. The socket can be surgically sealed or the implant can act as the sealing means.

A dental extraction auxiliary device for stomatology department comprises a first partition plate, a second partition plate is arranged on one side of the first partition plate, second openings are formed in the first partition plate and the second partition plate, a square tube is fixed to one side of the second partition plate, one second opening corresponds to the square tube, and the other second opening corresponds to the square tube. One end of the square pipe penetrates through the second opening and extends to one side of the first partition plate, the second partition plate is connected with a positioning mechanism, the positioning mechanism is connected with the first partition plate, the second partition plate is provided with a regulation and control mechanism, and the regulation and control mechanism is connected with the first partition plate. The mouth of a patient can be opened, the opening size can be effectively fixed, meanwhile, the tongue of the patient can be wellpressed, it is avoided that random movement of the tongue affects tooth extraction of medical staff, saliva in the oral cavity of the patient can be effectively absorbed through gauze, and the patientis prevented from being choked; and the patient can stably cooperate with medical personnel to carry out a tooth extraction operation.

The invention relates to the technical field of oral cavity supporting frames and discloses a dental extraction oral cavity supporting device for children. The device comprises a support frame, wherein the upper part of the support frame is fixedly connected with a hollow channel, both sides of the hollow channel are movably connected with arc plates respectively, and the lower part of the supportframe is movably connected with a retractable rod; a pushing mechanism is fixedly connected to the junction between the retractable rod and the support frame, a clamping groove is movably connected into the hollow channel, and the surface of the clamping groove is slidably connected with a clamping block; the upper part of the clamping block is movably connected with a spring, so that a push rodmoves downwards in a sliding way and is discharged from an exhaust pipe; meanwhile, the retractable rod is stretched in the process of moving downwards, and the retractable rod and the pushing mechanism are positioned in the oral cavity of a patient. When the retractable rod is stretched out, the tongue of the patient can be pressed, air flow can be continuously blown to the tongue of the patient,and once the tongue is interfered with the air flow, the patient can intentionally shorten the nasal breathing process, so that the effects of preventing children from coughing and moving the tonguesat will are achieved.

Provided is a novel and creative dental tissue regeneration method for regenerating dental tissue after pulpectomy or the enlargement and cleaning of an infected root canal. After pulpectomy or the enlargement and cleaning of an infected root canal, a root canal filler (200) having an extracellular matrix (210) containing the cells (220) enriched for dental pulp stem cells, is inserted into the apical side of the root canal of a target tooth (100). The cells including dental pulp stem cells include at least one of the following: dental pulp SP cells, CD31-negative and CD146-negative cells, CD24-positive cells, CD105-positive cells, and CD150-positive cells. For instance, dental pulp SP cells are CD31− and CD146− negative. Even if pulpitis due to deep caries occurs, appropriate dental pulp regeneration and recovery of dental pulp function are possible.

The invention relates to a tooth extraction auxiliary device, in particular to a tooth extraction auxiliary device for the department of stomatology. The technical problem is to provide the tooth extraction auxiliary device for the stomatology department, which can suck saliva and is convenient for medical personnel to extract teeth. According to the technical scheme, the tooth extraction auxiliary device for the stomatology department comprises a hand pull rod, a screw rod, a rotating handle, a first support, a threaded seat, a second support, a hollow frame, a telescopic rod, a first swing rod, a fixing rod, a rotating seat, a material supporting block, a suction mechanism and a lighting mechanism, the upper portion of the hand pull rod is rotationally connected with the screw rod, and the rotating handle is arranged on one side of the screw rod. According to the tooth extraction device, the tongue of a patient is pressed by a second swing rod, so that the phenomenon that the tongue of the patient licks an affected part and hinders work of a doctor when the doctor extracts teeth of the patient can be prevented, and the tongue of the patient can be prevented from being pressed too tightly by arranging a torsion spring, so that the tongue of the patient can slightly move, and the discomfort of the patient is reduced.

The present invention includes a method of treating pain caused by neuralgia comprising administering botulinum toxin to an afflicted area of a patient. The pain may be caused by trigeminal neuralgia or be associated with dental extraction or reconstruction, and may be facial pain. The neuralgia may be associated with compressive forces on a sensory nerve, intrinsic nerve damage, demyelinating disease, a genetic disorder, a metabolic disorder, central neurologic vascular disease, or trauma. The present invention also includes a method of treating post-operative incisional wound pain comprising administering botulinum toxin to an afflicted area of a patient. The post-operative incisional wound pain may be associated with medical treatments selected from the group consisting of sinus surgery, removal of an eye, temporal mandibular joint surgery, parotid gland extraction and resection, craniotomy for removal of an intracranial tumor, intra-ocular surgery, acoustic neuroma surgery, reconstructive procedures after tumor resection, radiation therapy for the treatment of cancer, skull base surgery, orbitectomy, facial bone removal, muscle removal, skin removal, and construction of myocutaneous flaps.

The invention discloses a stomatological tooth extraction auxiliary device, and relates to the technical field of stomatological equipment. The stomatological tooth extraction auxiliary device comprises a first support frame and a second support frame. The bottom of a side of the first support frame is rotationally connected with the bottom of a side of the second support frame by fixing shafts, asupport seat is fixedly connected with the top of the right side of the first support frame, a hollow plate is rotationally connected with the outside of the support seat, a sponge sleeve sleeves thesurfaces of the hollow plate and is positioned below the support seat, and a guide tube is communicated with the right side of the hollow plate and is positioned between the support seat and the sponge sleeve. The stomatological tooth extraction auxiliary device has the advantages that the tongues of patients can be compressed by the aid of the hollow plate, and accordingly influence on tooth extraction and even injury to the tongues due to movement of the tongues when the patients feel painful can be prevented; saliva can be absorbed by the sponge sleeve and can be sucked into a liquid storage tank by the aid of the guide tube, accordingly, the problems that saliva is difficult to shallow due to mouth opening and patients are chocked with the saliva can be solved, and the saliva can be prevented from interfering with tooth extraction.

The invention relates to a stomatological tool, in particular to novel stomatological illuminable multifunctional tooth forceps which comprises a tooth forceps body, oral supporting and lighting equipment, a labor-saving fulcrum, extension equipment and a hand protection rubber mat. The tooth forceps can provide lighting in the process of tooth extraction for the convenience of a dentist to replace and observe teeth; in a circumstance that tooth roots are long and difficult in force applying, form of the tooth forceps can be changed to generate a supporting point, so that convenience is brought to a doctor to applying force; the tooth forceps can be demounted into an oral supporting device, so that closing of the mouth of a patient can be prevented for the convenience of the doctor to observe. The tooth forceps body and the oral supporting and lighting equipment are meshed through a thread, the labor-saving fulcrum is mounted on the tooth forceps body, the extension equipment is mounted inside the tooth forceps body, and the hand protection rubber mat and the tooth forceps body are in fixed contact connection.

The invention belongs to the field of dentistry and particularly relates to a dental tooth extraction method. The dental tooth extraction method comprises the following steps: step one, carrying out oral disinfection on a patient and administering an anesthetic; step two, letting the patient sit on a tooth extraction chair, adjusting the chair position and aligning to a light source to make the patient be at a comfortable position; exposing surgical field to facilitate operation; step three: preparing a tooth extraction device: a gingival separator, a dental elevator, dental forceps and a curet; step four: separating gingiva, loosing tooth root, extracting offending teeth and extracting broken roots; step five: after the teeth are extracted, scraping granulation tissues and foreign mattersin a tooth socket by using the curet, and scratching the wound to enable oozed blood to fill the tooth socket; then pressing buccal and lingual gingiva to reset with fingers; finally, covering the wound with a sterile sand strip or a cotton roll. The dental tooth extraction method disclosed by the invention is mainly used for dental patients to extract the teeth and brings convenience to tooth extraction; a comfortable tooth extraction method is provided, so that the pain of patients is relieved, the comfortableness is improved, facilitation for doctors to extract the teeth is realized and the efficiency is improved.

The present invention discloses an individualized orthodontic appliance with axis correction functions, comprising No. 1-7 individualized lingual brackets connected in series by an archwire. Each individualized lingual bracket includes a base plate and a bracket body connected with the base plate. In the No. 1-7 individualized lingual brackets, the underside of the bracket body of at least two of the individualized lingual brackets is disposed with a crimpable hook with a through hole and the through holes are connected in series by an ortho-axial wire. In this invention, the underside of the bracket body is disposed with the crimpable hook with the through hole and the ortho-axial wire is used to pass through the through holes. In this way, the underside of the bracket body can produce the corresponding orthodontic force while the crown of tooth is moving during the orthodontic treatment. The positions of the teeth roots can also be gradually corrected. It prevents teeth from inclining when they move far from the center; therefore the correction function is achieved. The structure of the individualized orthodontic appliance provided by the invention is simple and ingenious, the axis correction function is excellent and it is applicable to patients with dental extraction in the individualized orthodontic treatment.

The invention discloses a post-dental-extraction automatic pressing-hemostasis device. The post-dental-extraction automatic pressing-hemostasis device comprises a fixing mechanism and a pressing hemostasis mechanism, wherein the fixing mechanism is used for fixing the entire post-dental-extraction automatic pressing-hemostasis device to teeth; and the pressing hemostasis mechanism and the fixing mechanism are arranged in a matched manner, and the pressing hemostasis mechanism is used for carrying out pressing hemostasis on a dental bed region after dental extraction and cleanly absorbing blood outflowing from the dental bed region after dental extraction. The post-dental-extraction automatic pressing-hemostasis device disclosed by the invention is composed of the fixing mechanism and the pressing hemostasis mechanism, is simple in structure, is suitable for being produced in batches and is convenient in extensive popularization; and furthermore, through carrying out pressing hemostasis on the dental bed region after dental extraction by using the post-dental-extraction automatic pressing-hemostasis device, problems in carrying out pressing hemostasis on the dental bed region after dental extraction through biting cotton balls can be solved, the use is convenient and comfortable, a displacement phenomenon does not occur, the hemostasis effect is good, a dental extraction sufferer has no need of biting the cotton balls all the time and can speak normally just after dental extraction, and thus, convenience is brought for the dental extraction sufferer.

The invention discloses a dental extraction forceps with the function of removing bad breath in the mouth, which comprises a hinged shaft, and two pliers handles and two pliers heads fixed by the hinged shaft, and an extruding rod is arranged between the adjacent pliers handles. The vertical direction of the extruding rod is provided with a deodorizing rod, and one end of the deodorizing rod is provided with an air bag with a built-in disinfectant solution, and the other end is wrapped with a sponge. The present invention adds a disposable deodorizing stick on the basis of the original tooth extraction forceps, and the deodorizing stick is filled with disinfectant, which can effectively remove peculiar smell or bacteria in the oral cavity, meet the needs of use, and provide convenience for doctors.

The invention is a homogeneous bone powder and its manufacturing method, which relates to filler for bone deficiency caused by several kinds of reasons in department of stomatology clinic treatment and its manufacturing method. The powder can be produced through crashing human bone into particle with particle size of 0.125-0.9mm, then carries on degreasing in distilled water and alcohol with supersonic method, then carries on mine eliminating in hydrochloric acid with supersonic method, following, eliminates the acid and adjusts the pH value, sterilization, finally freezes and dries, and irradiates them. It can reduce the immunogenicity, reserves adult bone factor, and kills pathogenetic microbe. It can be used as the fillers directly for bone deficiency caused by periodontal disease, dental extraction, cyst and tumor. It also can be processed into bone transplanting material with non-natural structure remolded with biology conciliator, in order to cure bone deficiency caused by other reasons.

The invention discloses dental forceps for an oral operation, belonging to the field of dental medical equipment. The dental forceps comprises forceps tips, a transmission device, a forceps handle and a support. The dental forceps provided by the invention overcomes the problem of difficulties in tooth extraction in the prior art and can be used in the field of oral surgery.

A dental extraction device includes a gripping assembly including first and second gripping arm, a prying element including a driving arm and an abutting and hooking portion, two first cushioning members defined on the second gripping arm, a first spacing portion formed between the first cushioning members, and a second cushioning member defined on the second gripping arm at one side of the first spacing portion. To extract a tooth, a tooth holding member is first fixed to a tooth to be removed and then the first or second cushioning members are placed on one or more teeth that are not to be removed to serve as a support point and the abutting and hooking portion is set in engagement with the tooth holding member. The first and second gripping arms are then moved to cause the driving arm to drive the abutting and hooking portion for pulling out the tooth.

The invention discloses a dental extraction auxiliary device and belongs to the technical field of medical instruments. The dental extraction auxiliary device is characterized in that a drainage pipe is fixedly connected to one surface of a cleaning cylinder, an upper cover is hinged to one side face of the cleaning cylinder through a hinge, a driving motor is fixedly mounted on the surface of the upper cover, and a shaft rod is fixedly connected to the output end of the driving motor; a connecting rod is fixedly connected to one end of the shaft rod, a mounting sleeve is inserted into one end of the connecting rod, a rotating disc is fixedly connected to one end of the mounting sleeve, and bristles are arranged on the other surface of the rotating disc. According to the tooth extraction auxiliary device for the department of stomatology, through the rotating disc arranged on the upper cover, a tooth extraction tool can be quickly put into the device for cleaning, the cleaning efficiency of the tooth extraction tool is greatly improved, the tooth extraction tool is convenient to take, the friction strength between the tooth extraction tool and the anti-skid disc can be improved, the tooth extraction tool is prevented from rotating along with the bristles, and the cleaning effect of the tooth extraction tool is further improved.

The invention discloses automatic tooth extraction equipment. The automatic dental extraction equipment is characterized by including a tooth clamping mechanism (1) and a tooth extraction mechanism (2); the tooth clamping mechanism (1) includes a first clamping arm (1-1), a second clamping arm (1-2), a hinged shaft (1-3), an arc-shaped outer rack (1-4) and a locking plate (1-5); and the tooth extraction mechanism (2) includes a fixed arm (2-1), two side tooth pressing blocks (2-2), two pull ropes (2-3), guide wheels (2-4) and an electric cylinder (2-5). According to the automatic tooth extraction equipment, automatic tooth extraction can be realized, and the operation is safe.