32 results about "Pedodontist" patented technology

The present invention relates to a hand held interproximal dental tool for detaching unwanted materials from a patient's teeth and to methods of manufacturing such tools. The interproximal dental tool includes a compact, ergonomically designed housing which is gripped by a dental practitioner during use and a blade extending from and structurally supported by the housing which includes serrations for cutting or abrasive materials for sanding unwanted material.

The invention provides a gingival line automatic extraction method based on a digital tooth model, and the method comprises the following steps: S1, loading the digital tooth model, carrying out the data preprocessing, and obtaining a dental model point cloud; s2, segmenting the dental model point cloud at equal angles to obtain a plurality of dental model point cloud slices; s3, gingival line features are used for screening in each section of point cloud slice, and feature point clouds are extracted; and S4, integrating the feature point clouds in all slices, and fitting to obtain an extracted gingival line. According to the invention, automatic detection of the gingival line can be realized without interactive auxiliary input of a user in the detection and extraction process and after the model is loaded, the whole processing process enables the digital dental department to have better automation and intelligence degrees and to be more accurate and convenient, a lot of time is saved for dentists and patients, and the diagnosis and treatment efficiency is improved.

A supporting mechanism of an observation system for dental and medical treatment three-dimensionally movable supports a display unit for stereoscopically displaying an observation image of a surgical microscope regarding treatment of a patient on a dental chair and holds the display unit in an observation position of a dental surgeon keeping a constant posture. In a state where a vertically holding arm has been moved to a position where a vertical axial line thereof passes through an oral cavity of the patient, the supporting mechanism supports the display unit so as to be movable for positioning via a vertically fixed arm and a horizontally pivoting arm, in a position around the dental chair corresponding to a predetermined pivoting radius defined by a horizontal distance up to a finder of the display unit around the vertical axial line.

The invention discloses a washing device with a drainage function for a stomatology department. The washing device with the drainage function for the stomatology department structurally comprises a controller, a control box, a water inlet, a column body, a base, a gas pedal, a sprinkler, a suction tube, a drainage tube and a washing device body, wherein the controller is mounted on the front sidesurface of the upper end of the control box; the water inlet is formed in the front side surface of the bottom end of the control box and is provided with a dustproof frame; the bottom of the controlbox is perpendicularly connected with the column body; the bottom of the column body is locked on the upper end surface of the base; the column body and the base form an inverted-T-shaped structure; the end, which is close to the base, of the gas pedal penetrates through the base and the column body and is connected with the washing device body; and the gas pedal consists of a gas pedal tube and agas pedal body. Gas feeding and gas discharging are realized by stepping on the pedal so as to drive liquid to be sucked and drained; the washing device is convenient to operate and use; convenienceon patient treatment for dentists is improved; discomfort of a patient in a treatment process is relive; and the treatment time is saved effectively.

The invention discloses a dental restoration automatic design method and system based on deep learning, and the method comprises the steps: segmenting corresponding three-dimensional segmentation data from the dentition data of a patient, and obtaining corresponding target restoration data, so as to form a data set C comprising the three-dimensional segmentation data and the target restoration data; training a data processing model based on deep learning by adopting the data set C, so that the data processing model can generate a restoration model matched with the three-dimensional segmentation data of the patient according to the three-dimensional segmentation data of the patient; according to the design method, the dental restoration can be designed in a full-automatic manner, no human interaction is needed, the design efficiency is effectively improved, time and labor are saved, and the finally manufactured dental restoration is more personalized; besides, along with the increase of the design quantity of the prosthesis, the data processing model is continuously optimized, and the design capability is continuously improved, so that the requirements of dentists and patients are better met.

The invention discloses a method for improving diabetes mellitus by dental pulp mesenchymal stem cells. The method comprises the following steps: firstly, preparing dental pulp mesenchymal stem cells,wherein pulling out deciduous teeth by a dentist, transporting the teeth to a cell preparation center in a cold storage state through cold chain transportation, then cutting the teeth open in a laboratory under a GMP condition to extract dental pulp tissues in the teeth, and extracting stem cells in dental pulp; culturing the extracted dental pulp stem cells in a culture bottle for passage and amplification; carrying out reinfusion of the prepared dental pulp mesenchymal stem cells into the body of a diabetic patient through intravenous injection, wherein 500,000-700,000 units/kg are injectedonce every 20 days, the stem cells are injected for 3-4 times in total, the use effect of the patient is continuously observed, and whether the treatment needs to be continuously adopted for improvement or not is subsequently determined. The pancreas islet tissue proliferation and regeneration are promoted, insulin secretion is improved, blood sugar is reduced, immune factor disorder is corrected, and inflammation is relieved. The exfoliated deciduous tooth stem cells may be used to ameliorate type 2 diabetes and type 1 diabetes.

The invention relates to dental sand blasting and ultrasound integrated cleaning and therapy equipment. The dental sand blasting and ultrasound integrated cleaning and therapy equipment comprises a water supply bottle, a sand blasting bottle, a main control circuit board, a housing, a water pump, a sand blasting handle and a piezoelectric ceramic transducer handle; the water supply bottle and the sand blasting bottle are inserted into the housing; a water inlet of the water pump communicates with the water supply bottle through a pipeline, and a water outlet of the water pump communicates with the sand blasting handle and the piezoelectric ceramic transducer handle through pipelines; the sand blasting bottle communicates with the sand blasting handle through a pipeline; and the water pump and the piezoelectric ceramic transducer handle are electrically connected with the main control circuit board. The dental sand blasting and ultrasound integrated cleaning and therapy equipment has the beneficial effects that two functions of sand blasting and ultrasound are integrated, which can more comprehensively help a dentist to complete cleaning and therapy of supragingival and subgingival calculus and dental plaque of an oral cavity part; the overall size is small, when functions are switched, the main control circuit board can be triggered only by touching corresponding function keys in the display interface to complete function switching; and operation is convenient.

A dental prophy angle reduces the ejection of blood, dental polish, and saliva from a patient's mouth during a dental procedure. The dental prophy angle includes a drive head with an airflow generator is positioned within the drive head. The airflow generator produces an airflow pattern that exits from the drive head. A prophy cup is attached to the drive head. The airflow pattern travels over the outer surface of the prophy cup. The air flow pattern reduces the amount of material that builds up on the outer surface of the prophy cup, thereby reducing the ejection of material from the patient's mouth. In certain embodiments, the prophy cup is transparent to enable a dental practitioner to visualize the prophy paste within the prophy cup.

The invention relates to the technical field of medical auxiliary tools for oral cavities, in particular to a rubber dam for the oral medical department. The rubber dam for the oral medical department comprises rubber cloth, a rubber dam frame and tooth holes through which a tooth pass, wherein a breathing opening is further formed in the rubber cloth; the breathing opening is movably formed in the rubber cloth. Through the arrangement of the upper and lower tooth holes, a dentist can conveniently install the rubber dam according to positions of teeth to be treated of a patient and the number of the teeth; the breathing opening can be well fitted to the nose of the patient; on the basis of guaranteeing smooth breathing of the patient, the breathing opening can absorb sweats of the patient during treatment; furthermore, the rubber dam is easy to operate and convenient to install, can guarantee the safety of the patient and the safety of the dentist, and can enhance the experience of comfortableness of the patient.

A system for removing potentially harmful aerosols for protecting medical or dental practitioners and patients from contaminants including a treatment space and a conduit extending from the treatment space to a plenum space. The conduit includes a suspended collection arm extending into the treatment space. The collection arm is movable to a position adjacent a source of aerosols. The system further includes an exhaust fan assembly arranged and disposed along the conduit to provide movement of air therethrough. An air treatment unit is arranged and disposed along the conduit to draw air through the conduit, filter the air and treat the air prior to discharging the air into the plenum space

The invention relates to the technical field of dentistry, and discloses an omnibearing examination device for a dental handpiece. The device comprises a shell and a connecting rod, wherein a handpiece is movably connected to the outside of the shell, a movable assembly is movably connected to the inside of the shell, a shifting wheel is movably connected to the inside of the shell, a rotating shaft is fixedly connected to the inside of the shifting wheel, bevel gears are movably connected to the outside of the rotating shaft, a clamping wheel is clamped to the outside of the rotating shaft, and a movable plate is fixedly connected to the outside of the clamping wheel; under the interaction of the shell, the handpiece, the shifting wheel, the rotating shaft, the bevel gears, the clamping wheel, the movable plate, a partition plate, an electromagnet and a miniature camera, a doctor can rotate the shifting wheel to clearly shoot the focus part of a patient through the miniature camera and transmit the focus part to an influence display device; and therefore, the doctor can perform diagnosis on the condition of the patient without lowering the head, and the attack possibility of cervical spondylosis of the dental doctor is favorably reduced.

The invention discloses an integrated multifunctional dental chair, relates to the field of dentistry, and aims to solve the problems that a dentist cannot observe discomfort of a patient at the first time due to the fact that a dental chair used in a dental hospital at present is inconvenient to prompt the dentist, and the patient needs to keep a mouth opening state all the time during existing dental examination, so that the patient feels uncomfortable. In order to solve the problem that the face of a patient is fatigued after a long time, the following scheme is provided: the nursing bed comprises a seat cushion, a leg support is arranged on one side of the seat cushion, a backrest is arranged on the other side of the seat cushion, a headrest is arranged on the other side of the backrest, auxiliary frames are arranged on one side of the headrest at intervals, and illuminating lamps are arranged on one side of the backrest at intervals. According to the integrated multifunctional dental chair, an auxiliary frame arranged in the chair is placed in the oral cavity of a patient, so that the fatigue of the face of the patient is reduced, meanwhile, the auxiliary frame is conveniently replaced through a connecting seat and a connecting rod, and meanwhile, the device is provided with a left button and a right button.

The invention discloses a dental treatment multifunctional safety seat which is composed of a seat rack, a movable supporting and connecting mechanism, a base, a searchlighting mechanism and a monitoring module, one end of the movable supporting and connecting mechanism is connected with the seat rack, and the other end of the movable supporting and connecting mechanism is connected with the base; the searchlighting mechanism is installed on the seat rack, and the monitoring module is arranged in the searchlighting mechanism. The seat rack is composed of three parts, namely a seat front section, a seat middle section and a seat rear section, the connecting block is arranged below the seat front section, the connecting block is connected with a push rod through a connecting pivot, an air cylinder is arranged below the push rod, and the lower end of the seat middle section is connected with the fixed base through a connecting rod; the lower end of the seat rear section is connected with a cylinder through a second connecting rod. According to the invention, a user can feel more comfortable and free by adopting various states such as sitting and lying, so that the scientization and health of the dental chair are achieved, meanwhile, a dentist can conveniently operate the chair to observe and treat a patient.

The invention discloses a method for establishing a closed-gap box-shaped curve orthodontic force prediction model, and relates to the technical field of orthodontic treatment. The method comprises the following steps: 1) analyzing a bearing force arm of a closed-gap box-shaped curve orthodontic force, and extracting a loading characteristic of the bearing force arm; 2) concluding the influence parameters of the orthodontic force of the closed-gap action box-shaped curve; 3) establishing a closed-gap action box-shaped curve orthodontic force-deflection curve differential equation, and settingboundary conditions; 4) establishing a closed-gap box-shaped curve orthodontic force prediction model. According to the invention, the parameterized representation can be effectively carried out on the closed-gap action box-shaped curve orthodontic force value applied to a patient by a dentist; the numerical value of the closed-gap action box-shaped curved orthodontic force applied by a dentist isaccurately predicted, and the dentist is assisted in improving the standardization, prejudgment and safety of oral tooth orthodontic treatment and the digitization and scientization degree of the orthodontic treatment.

The invention discloses a dental practice service dummy applied to hospital dental departments. The dental practice service dummy is characterized by comprising a phonetic system, a touch sensing system and humanoid teeth, wherein the phonetic system, the touch sensing system and the humanoid teeth are respectively and independently connected with a data processing module and are used for transmitting data bi-directionally. The dental practice service dummy disclosed by the invention has the advantages that practice services are provided for an intern dentist by the dental practice service dummy, and therefore, the goal that practices are offered by the dummy instead of a real person is achieved, the influence caused to the practice effect of the intern dentist by the practices of the real person in the past is avoided, the efficiency of the practices is greatly improved, the cost of the practices is saved, and skills of the dentists are greatly improved.

The invention relates to an adjacent tooth body target detection platform of an implant tooth body, and the platform comprises: on-site card reading equipment which is used for executing patient information reading on a doctor-seeing card provided with an NFC label based on an NFC communication mode, so as to determine the doctor-seeing demand and doctor-seeing number of a patient to which the doctor-seeing card belongs; a signal capturing mechanism which is connected with the on-site card reading equipment and is used for calling a face scanning image, corresponding to the patient to which the doctor seeing card belongs, in an image database based on the received doctor seeing number when the received doctor seeing demand of the patient to which the doctor seeing card belongs is a dentalimplant demand; and real-time processing equipment which is used for executing smooth spatial filtering processing on the received face scanning image. The adjacent tooth body target detection platform for the dental implant is simple in structure, convenient and practical. Due to the fact that the most visual and effective dental implant reference data is given based on the NFC communication technology and the visual detection technology, a dentist can give diagnosis suggestions in time conveniently.

The invention discloses a method for establishing a vertical action box-shaped curve orthodontic force prediction model, and relates to the technical field of orthodontic treatment. The method comprises the following steps: 1) analyzing structural characteristics and bearing capacity arms of vertical action box-shaped curve orthodontic force, and extracting loading characteristics; 2) concluding the influence parameters of the orthodontic force of the vertical action box-shaped curve; 3) establishing a vertical action box-shaped curve orthodontic force-deflection curve differential equation, and setting boundary conditions; 4) establishing a vertical action box-shaped curve orthodontic force prediction model. According to the invention, parameterized representation can be effectively carried out on the value of the vertical action box-shaped curve orthodontic force applied to a patient by a dentist; the vertical action box-shaped curve orthodontic force value applied by a dentist is accurately predicted, and the dentist is assisted in improving the standardization, prejudgment and safety of oral tooth orthodontic treatment and the digitization and scientization degree of orthodontic treatment.

Disclosed are a method of and an apparatus for 3D visualization of the root canal curvature of a tooth. The method includes (a) displaying a CT image of one or more teeth on the basis of CT image data, (b) three-dimensionally rendering at least a portion of the root canal of a target tooth when a dental practitioner selects the target tooth from the CT image, and (c) visualizing a curvature in a region of the root canal that is three-dimensionally rendered using a visual factor.

The invention relates to a sand blasting and ultrasound periodontal therapy instrument. The sand blasting and ultrasound periodontal therapy instrument comprises a processor, a water supply unit, a pneumatic control unit, a sand blasting bottle, a sand blasting handle, an ultrasound control driving unit, a piezoelectric ceramic transducer handle and a touch control display unit; the water supply unit, the pneumatic control unit, the ultrasound control driving unit and the touch control display unit are all electrically connected with the processor; the water supply unit communicates with the sand blasting handle and the piezoelectric ceramic transducer handle through pipelines; the pneumatic control unit communicates with the sand blasting bottle through a pipeline, and the sand blasting bottle communicates with the sand blasting handle through a pipeline; and the ultrasound control driving unit is connected with the piezoelectric ceramic transducer handle. The sand blasting and ultrasound periodontal therapy instrument has the beneficial effects that two functions of sand blasting and ultrasound are integrated, which can more comprehensively help a dentist to complete cleaning and therapy of supragingival and subgingival calculus and dental plaque of an oral cavity part; the overall size is small; when functions are switched, function switching can be completed only by touch control selection on the display unit; and operation is convenient.