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67 results about "Removable dentures" patented technology
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Finite element analysis method and system for complete edentulous removable denture
ActiveCN119670512Aimprove accuracyReduce the risk of excessive stressDental implantsDesign optimisation/simulationDigital dataElement model
The invention relates to the technical field of digital data processing, in particular to a finite element analysis method and system for a full-mouth edentulous movable denture, and the method comprises the steps: obtaining a CT image of the oral cavity of a patient, constructing a three-dimensional finite element model through a finite element analysis method, and carrying out the grid division of the three-dimensional finite element model, obtaining a unit size and a maximum deviation coefficient of each grid, and a pressure trend vector of each grid in each dynamic occlusion process; determining the shape complex weight of each grid; determining a pressure difference degree, a stress sensitivity degree, a stress dispersion degree and a structure disorder characteristic value of each grid; obtaining each defect grid; calculating the number of expanded neighborhood layers of each defect grid; and refining the grids, and optimizing the false tooth according to a simulation result of occlusion simulation of the three-dimensional finite element model. According to the method, local stress changes can be accurately captured, the accuracy of finite element analysis on false tooth stress analysis is improved, and the pain feeling of a patient during occlusion is reduced.
Owner:SHENZHEN JIAHONG DENTAL MEDICAL CO LTD
Locally removable removable denture design method based on large model
PendingCN119498996ASimplify the design processsimple designGeometric CADImpression capsJaw boneSocial benefits
The invention discloses a local removable movable denture design method based on a large model, which comprises the following steps: S1, collecting diversified oral cavity scanning data, and constructing a standard model covering different tooth arrangements, occlusion relationships and jaw structures; s2, scanning oral cavity model data of a target object to generate a 3D digital model; s3, comparing the generated 3D digital model with a standard model, and identifying and marking tooth restoration elements; and S4, determining a design scheme of the locally removable removable denture according to the marked tooth restoration elements. The method provided by the invention solves the challenges faced by current grassroots physicians and medical students in denture design, and has wide application prospects and social benefits.
Owner:SICHUAN UNIV
Adjustable removable denture mounting structure
The utility model discloses an adjustable removable denture mounting structure, and relates to the technical field of removable denture mounting, the adjustable removable denture mounting structure comprises a tooth seat pre-mounted on a gum and a denture mounted on the tooth seat, an embedding part is integrally arranged at the bottom of the tooth seat, an embedding groove matched with the embedding part is formed in the gum, and the denture is mounted in the embedding groove. An embedding groove is formed in the top of the tooth holder, a screw tube is fixedly implanted into the embedding groove, a circular groove matched with the screw tube is formed in the bottom of the embedding part, a connecting groove is formed in the top of the tooth holder, a connecting screw is inserted into the bottom of the connecting groove, and the connecting screw penetrates through the embedding part and extends into the screw tube to be in threaded connection with the screw tube; a connecting block matched with the connecting groove is integrally arranged at the bottom of the false tooth, limiting grooves are formed in the two sides of the connecting block, cavities are formed in the two sides of the tooth base, and limiting assemblies are arranged in the cavities. The false tooth can be limited and fixed by utilizing the limiting assembly, so that the mounting stability of the false tooth is improved, and the risk of falling off is reduced.
Owner:SHANGHAI CHENXIN MEDICAL DEVICES CO LTD
Steel wire bending machine for removable dentures and correctors
The utility model discloses a steel wire bending machine for removable dentures and correctors. The device comprises a machine shell, a rotating shaft and an air cylinder, claws are arranged on the rotating shaft, the air cylinder is provided with a push rod, the rotating shaft is provided with a driving component, the driving component controls the opening and closing states of the claws, the driving component is provided with an annular groove, the annular groove and the push rod move relatively, and the push rod can move in the rotating direction of the annular groove; the gas claw is arranged in the bending area, the steel wire can be clamped in the bending process, the steel wire is effectively prevented from being lengthened, and the correction effect is guaranteed; and when the claw is loosened and retreats, the steel wire can be prevented from being pulled back, and the bending accuracy is maintained. And finally, a universal rotating structure is additionally arranged for controlling opening and closing of the claw, so that limitation of the pipeline on rotation of the claw is successfully avoided, and the flexibility and convenience of operation are greatly improved.
Owner:HANGZHOU JIAJIE DENTAL CO LTD
Combined body of fixed false tooth and movable false tooth
Owner:SHANGHAI CHENXIN MEDICAL DEVICES CO LTD
Model Observation Instrument
Owner:刘树鹏 +1
Removable denture capable of reducing damage of hard food
The utility model provides a removable denture capable of reducing hard food damage, which comprises a chewing layer and a lower fixing groove, the upper end of the chewing layer is provided with a protective layer for corrosion protection of food residue, the upper end of the protective layer is provided with a tooth root for being embedded into gingiva, the outer side surface of the tooth root is provided with an embedding layer for protecting the tooth root, and the lower fixing groove is provided with a lower fixing groove. Compared with the prior art, the movable false tooth has the following beneficial effects that the upper fixing groove and the lower fixing groove are used for carrying out embedded connection on the fixing seat, and the movable false tooth is tightly connected with the gingiva of a patient by using the connecting base; the outer side of the movable false tooth is protected by using the bioactive glass coating, and the fixed seat and the movable false tooth are flexibly supported by using the flexible supporting seat, so that the situation that the connecting bolt moves in the chewing process to generate pressure on the connecting base is prevented.
Owner:SUZHOU XINZHIMEI DENTURE CO LTD
A digital mandibular precise positioning and customized removable denture preparation integrated method
The application discloses a kind of digital lower jaw accurate positioning and customized removable denture preparation integrated method, it is related to stomatology technical field. Including: initial diagnosis data collection;Digital modeling and jaw position adjustment;Design treatment jaw position guide plate;Try on jaw position guide plate, check lower jaw movement, confirm facial form beautiful, prepare silicon rubber final impression, record the actual occlusion relationship of patient;Based on occlusion relationship preparation-final denture, the obtained-final denture is carried out clinical evaluation.The application is for complex oral conditions, such as occlusion disorder, temporomandibular joint disorder patient, by obtaining personalized fitting removable denture, adjusting the relative position relationship of upper and lower jaw bones, relieving abnormal stress of joint, assisting the stability and recovery of temporomandibular joint, realizing the unity of stability and aesthetic effect of stomatognathic system after repair.
Owner:WEST CHINA STOMATOLOGICAL HOSPITAL OF SICHUAN UNIV
Hollow base liquid storage type removable denture
The utility model belongs to the technical field of dental prosthesis design, and particularly discloses a hollow base liquid storage type removable denture which comprises a base and artificial teeth arranged on the base, the base is a hollow base with a liquid storage cavity, the hollow base is provided with a plurality of overflow discharge channels communicated with the liquid storage cavity, and the diameter of the outlet end of each overflow discharge channel is 0.3-1mm; a plurality of tissue surface adsorption structures are arranged on the tissue surface part of the base plate. The removable denture disclosed by the utility model can automatically and slowly release artificial saliva, so that the dry feeling of an oral cavity is reduced; due to the design of the tissue surface adsorption structure on the tissue surface, the contact area between the base plate and the oral cavity tissue is increased, so that the adsorption force is improved.
Owner:SICHUAN UNIV
Removable denture with prolonged service life
ActiveCN222657226UEasy to assemble and disassembleImprove sealingArtificial teethDentistryDenture base
The utility model provides a removable denture with prolonged service life, which comprises a denture base, a denture body and a reinforcing stud, and the upper surface of the denture base is provided with a plurality of groups of mounting threaded holes which are linearly and equally distributed and are used for mounting the denture body. The denture has the beneficial effects that the denture base, the denture body and the reinforcing stud are additionally arranged, and the mounting external thread on the outer side surface of the denture mounting column at the lower end of the denture body is in threaded fit connection with the mounting threaded hole, so that the denture body can be conveniently disassembled and assembled; after the false tooth body is mounted, the stud body at the front end of the reinforcing stud is screwed into the rear threaded hole and the inner side of the front threaded hole, so that the false tooth body can be reinforced and mounted, and the service life of the movable false tooth can be prolonged; and the sealing ring is embedded with the sealing ring groove, so that the sealing performance of mounting the false tooth body can be improved.
Owner:SUZHOU XINZHIMEI DENTURE CO LTD
Method and system for accurately acquiring intraoral data containing muscle movement information and medium
A muscle movement information-containing intraoral scanning data accurate acquisition method comprises the following steps: S1, collecting a single-frame texture map including an intraoral photo or a dental scanning image, marking an attached gum boundary by using a dental professional, creating a ground truth segmentation map, and performing creation and training of an attached gum area automatic segmentation model after performing variant on U-Net; s2, generating edge line data by utilizing Poi ntNet + + based on gypsum model scanning and artificially described edge lines, and creating and training an automatic edge line generation model; the model aims at automatically generating accurate edge lines for the intraoral scanning data obtained in the step S4 and guiding manufacturing of the movable restoration; s3, dynamically recording three-dimensional form information of intraoral muscles of the user in a motion state; s4, the obtained dynamic data and conventional static oral scanning data are guided by mark points to be elastically registered, and an intraoral data sequence with the complete form is obtained.According to the method, the implementation scheme that oral scanning is used for replacing impression taking can be achieved.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
A type of removable denture
This utility model relates to the field of oral medical equipment technology, specifically a removable denture, including an abutment and a denture, and further comprising: a locking mechanism disposed within the abutment, which locks the denture above the abutment; and a connecting component disposed above the locking mechanism, which connects the denture to the abutment. This removable denture, by setting up the locking mechanism and connecting component, uses a cross disc and a retaining strip to lock the denture onto the abutment, ensuring its secure fixation. When fine cleaning of the gap between the denture and the abutment is required, rotating the annular base causes the cross disc to rotate, thereby unlocking the denture and facilitating its separation from the abutment. By incorporating a rotating disc, a rubber strip, and an elastic membrane, when the denture is pulled out of the abutment, the elastic membrane between the bottom of the denture and the abutment protects the locking mechanism at the bottom of the abutment, preventing damage during cleaning.
Owner:VIVI DENTAL LAB
Movable denture convenient to disassemble and assemble
The removable denture comprises a base and a denture body, the base is provided with a groove for accommodating the denture body to insert, the bottom of the denture body is provided with a cylinder, the cylinder is positioned in the groove, the lower part of the cylinder wall is provided with an opening, balls are accommodated in the opening, and an inner column is arranged in the denture body; the inner column has the highest position and the lowest position and is matched with the balls. The inner column has the highest position and the lowest position, so that the balls protrude out of the cylinder or protrude out of the inner side of the cylinder, and the false tooth body is convenient to mount and dismount; the magnet attracts the convex disc to move the inner column from the lowest position to the highest position, the ball partially protrudes out of the inner side of the cylinder, and the false tooth body can move; the magnet is moved away, the spring pulls down the inner column, so that the inner column moves from the highest position to the lowest position, the ball partially protrudes out of the outer side of the cylinder, and the false tooth body can be clamped in the base.
Owner:LUOHE MEDICAL COLLEGE
Comfortable removable denture with low foreign body sensation
The utility model discloses a comfortable removable denture with low foreign body sensation, relates to the technical field of dental implant, and aims to solve the problem that a denture is easy to deviate and difficult to adjust during installation, and adopts the technical scheme that a plurality of grooves are formed in the peripheral wall of one end, close to an abutment, of a base, and adjusting pieces are connected in the grooves in a sliding manner; a plurality of through grooves for the adjusting pieces to penetrate out are formed in the inner circumferential wall of the end, close to the abutment, of the base plate, and the adjusting pieces rotationally adjust the distance of the adjusting pieces penetrating out of the through grooves through threads to change the connecting angle of the abutment and the base plate. According to the comfortable removable denture with low foreign body sensation, after the base plate and the gingiva are fixedly connected together, the angle of the base platform propped against the adjusting pieces when the base plate is connected with the base plate in a magnetic attraction manner can be adjusted only by adjusting the distance of the adjusting pieces on the base plate penetrating out of the through groove, so that the required dental crown connecting angle is obtained; the device is simple and convenient and does not damage gingiva for the second time.
Owner:FENGZE DENTAL TECH (SHANGHAI) CO LTD
Detachable false tooth
Owner:GUANGDONG LAN CENTURY DIGITAL TECHNOLOGY CO LTD
Removable denture crown replacement device
The utility model provides a removable denture crown replacement device, including denture body, the top of denture body is installed with the dental crown through the replacement mechanism, the top fixed setting of denture body has the insertion platform, the bottom inside of dental crown is opened the recess, through the rotation adjustment of rotating rod, conveniently screw down adjustment is carried out to screw rod, so that screw rod can extrude the down pressure rod, and the down pressure rod is extruded to the moving link through the inclined plane, and the moving link drives the insertion rod and inserts the inside of limit slot, conveniently fixed between denture body and dental crown, conveniently fixed installation is carried out to dental crown, conveniently limit rotating rod through the screwing action between screw rod and dental crown, can prevent rotating rod and go up and down and remove, and through rotating rod, screw rod to the down pressure rod, moving frame is limited, can improve the stability between dental crown and denture body, avoid the situation that dental crown is loose or falls off, and the practicality is high.
Owner:JINAN ZHENGYUCHANG NONNASALITY TECH CO LTD
Dental system and software for making removable dental prosthetics
InactiveUS20250182894A1Mechanical/radiation/invasive therapiesMedical automated diagnosisDentistryBiomedical engineering
The present application discloses a dental system and software configured to obtain facial measurement data associated with a patient and create a patient removable dental prothesis based on the facial measurement data by using Artificial Intelligence (AI).
Owner:AKINSANYA OLUGBENGA ABIMBOLA
A chain-type removable denture
This application provides a chain-type removable denture, relating to the field of dentures. It includes artificial teeth mounted on a base, with one artificial tooth corresponding to one base. Adjacent to one artificial tooth is another artificial tooth or a dental sleeve. The base fits snugly against the missing tooth, and the dental sleeve fits snugly over the outside of the abutment tooth. Connectors are provided on both sides of the artificial teeth and both sides of the dental sleeve. A pin is detachably inserted between adjacent connectors. Multiple artificial teeth and dental sleeves are connected sequentially or alternately in a chain-like manner. This application has the advantage that if the user's abutment tooth falls out again, only the corresponding dental sleeve needs to be replaced with an artificial tooth, resulting in minimal structural changes to the overall denture, reducing replacement costs for the user, and shortening the adaptation time to the new denture.
Owner:NANJING BIYOUTE DENTURE CO LTD
Cushion patch for removable dentures
Provided in the present invention is a cushion patch for removable dentures, the cushion patch being applied to a removable denture, being made of soft silicone, and comprising a base material and an adhering layer. The base material has a first surface and a second surface opposite the first surface; and the adhering layer is arranged on the second surface of the base material, and can repeatedly adhere to the removable dentures. In this way, the cushion patch adheres into the removable dentures, such that when a user wears the removable dentures, by means of the extension characteristic of the cushion patch, the removable dentures closely fit in the oral cavity, and discomfort caused by biting force to the gums is reduced.
Owner:SU CHIEN CHUNG
Device for detecting tensile property of removable denture
ActiveCN223346607UMaterial strength using tensile/compressive forcesTensile testingMechanical engineering
The utility model relates to the technical field of removable denture tensile detection, and discloses a removable denture tensile performance detection device which comprises a base, a supporting plate is fixedly connected to the middle rear portion of the top end of the base, a placing table is fixedly connected to the top of the supporting plate, and a vertical plate is fixedly connected to the middle rear portion of the top end of the placing table. A transverse plate is fixedly connected to the top of the front end of the vertical plate, a fixing assembly is arranged at the bottom end of the transverse plate, electric telescopic rods are fixedly connected to the left side and the right side of the bottom end of the transverse plate, the output ends of the two electric telescopic rods are connected with the fixing assembly, and a false tooth model is placed at the position, at the front end of the vertical plate, of the top of the placement table. According to the utility model, the driving assembly drives the gear II and the rotating shaft to rotate so as to adjust the directions of the clamping assembly and the tension assembly, so that any tooth in a false tooth model can be subjected to tension detection, and vertical tension can be applied to the tooth clamped by the clamping assembly through the tension assembly.
Owner:SICHUAN AURORA BOREALIS ORAL MEDICAL INSTR CO LTD
Conveniently dismountable removable denture
The present application relates to the technical field of denture, especially to a convenient detachable removable denture. It comprises a support, the support is fixedly connected with an inner framework, the support and the inner framework are provided with a plurality of crowns which are equidistantly distributed, the two sides of the inner framework are fixedly connected with clamping rings, the inner side of the clamping ring is fixedly connected with two guide strips which are symmetrically distributed, the clamping ring and the guide strip are both metal materials, and the thermal expansion coefficient of the clamping ring is greater than that of the guide strip. The present application utilizes the characteristics of the bending deformation of the clamping ring and the guide strip according to the temperature, so that the width of the clamping ring at normal temperature is greater than that of the abutment tooth. After the removable denture is placed in the patient's oral cavity, the temperature in the oral cavity promotes the bending deformation of the clamping ring and the guide strip, so as to "hold tightly" the abutment tooth, realize the fixation of the removable denture, utilize the temperature to control the fixation effect of the clamping ring and the guide strip on the abutment tooth, so as to facilitate the wearing and taking off of the removable denture.
Owner:TAIZHOU AOMEI DENTAL PROD CO LTD
Dental prostheses and digital modular removable dentures processing methods and systems
This invention provides a method and system for fabricating dentures and digitally modular removable dentures, relating to the field of digital technology. The method includes acquiring oral cavity feature data through 3D scanning, constructing a spatiotemporal map structure to determine key anatomical feature points and generate an optimal occlusal surface, constructing an initial 3D model of the denture, analyzing stress distribution using a biomechanical simulation system, performing parametric modeling and optimization of the abutment teeth, topologically optimizing the connection parts to construct a variable-density honeycomb support structure, and finally assembling and connecting them to form the denture. This invention improves the occlusal accuracy and mechanical performance of dentures, reduces the risk of fracture, and extends their service life.
Owner:HANGZHOU KANGBO RUILAI MEDICAL EQUIPMENT CO LTD
Combined guide plate for removable denture abutment preparation and implant placement and manufacturing method thereof
The present invention discloses a combined guide plate for removable denture abutment preparation and implant placement and a manufacturing method thereof. The manufacturing steps include: obtaining a dental arch and alveolar ridge model, and then performing digital scanning on the dental arch, alveolar ridge model, and the oral cavity of the dental arch to obtain a digital model; matching the digital model with the three-dimensional reconstructed alveolar bone model taken by the patient's CBCT to obtain a three-dimensional model of the removable denture base; analyzing and determining the insertion path of the removable denture for the three-dimensional model of the removable denture base, and then manufacturing abutment holes, a guide rod for removable denture abutment preparation, and an implant placement guide ring to obtain a three-dimensional model of the combined guide plate; generating the three-dimensional model of the combined guide plate by a computer and performing 3D resin printing to obtain the combined guide plate for removable denture abutment preparation and implant placement. The combined guide plate prepared by the present invention has the advantages of reducing wear between implant components, enabling the smooth passive insertion and removal of the RPD, slowing down the absorption of the marginal alveolar ridge, and ensuring the service life of the implant during use.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
False tooth and digital combined movable false tooth processing method and system
The invention provides a false tooth and digital combined movable false tooth processing method and system, and relates to the technical field of digitization, and the method comprises the following steps: obtaining oral cavity feature data through three-dimensional scanning, constructing a space-time diagram structure, determining key anatomical feature points, generating an optimal occlusion curved surface, constructing an initial false tooth three-dimensional model, and obtaining an initial false tooth three-dimensional model; a biomechanical simulation system is adopted to analyze stress distribution, parametric modeling optimization is carried out on an abutment part, topological optimization design is carried out on a connecting part to construct a variable-density honeycomb-shaped supporting structure, and finally the denture is formed through assembling and connecting. According to the invention, the occlusion precision and mechanical property of the false tooth are improved, the fracture risk is reduced, and the service life is prolonged.
Owner:HANGZHOU KANGBO RUILAI MEDICAL EQUIPMENT CO LTD
Digital forming method for immediate removable denture
The application discloses a kind of digital production methods of activity instant restoration, it is related to denture repair technical field, to solve the technical problem that current activity instant restoration processing and production highly depend on personnel skills, process is complex and low in efficiency and precision is difficult to control, the method integrates intraoral scanning, CAD computer aided design, CAM cutting processing and 3D printing technology, carries exclusive algorithm and corresponding formula such as oral three-dimensional data reconstruction algorithm, base plate adaptive design algorithm, CAM tool path intelligent optimization algorithm, forms the whole process closed loop of "data acquisition-design optimization-fitting verification-precision cutting-finished product detection";The application realizes restoration full digitalization, intelligent preparation, improves processing precision and efficiency, reduces artificial dependence, adapts to different missing tooth scene, and can be widely applied to oral instant repair field.
Owner:CHONGQING XINLEMEI MEDICAL TECHNOLOGY CO LTD
Movable denture convenient to disassemble and assemble
The invention relates to the technical field of false teeth, in particular to a removable false tooth convenient to disassemble and assemble. Comprising a supporting piece, an inner framework is fixedly connected in the supporting piece, the supporting piece and the inner framework are jointly provided with a plurality of tooth crowns which are distributed at equal intervals, clamping rings are fixedly connected to the two sides of the inner framework, two guide strips which are symmetrically distributed are fixedly connected to the inner sides of the clamping rings, the clamping rings and the guide strips are made of metal materials, and the clamping rings are made of metal materials. And the thermal expansion coefficient of the clamping ring is greater than that of the guide strip. By utilizing the characteristic that the clamping ring and the guide strip bend and deform according to the temperature, the width of the clamping ring at the normal temperature is larger than that of the abutment tooth, after the removable denture is placed in the oral cavity of a patient, the clamping ring and the guide strip are promoted to bend and deform by means of the temperature in the oral cavity, the abutment tooth is tightly held, and the removable denture is fixed; the fixing effect of the clamping ring and the guide strip on the abutment is controlled by utilizing the temperature, so that the removable denture is convenient to take off and wear.
Owner:TAIZHOU AOMEI DENTAL PROD CO LTD
Comprehensive invisible removable denture with local metal support
The utility model relates to the technical field of mouth rehabilitation, and discloses a comprehensive invisible removable denture with a local metal support, which comprises a support, an invisible base and an implant denture, the support comprises a main body frame and a connecting frame, and the invisible base comprises an upper invisible base and a lower invisible base. The implant denture comprises an artificial tooth root connected with the invisible denture, an artificial tooth crown connected with the artificial tooth root and an adjusting screw which penetrates through an abutment in the artificial tooth crown and is used for adjusting the height and the angle of the implant denture. Due to the design of the invisible base plate, the direct contact with oral soft tissues is reduced, the discomfort is reduced, and the wearing comfort is improved. Meanwhile, the false tooth can be conveniently taken off and worn, is convenient to clean and maintain, and is beneficial to maintenance of oral hygiene. The design of the implant denture allows the height and the angle to be adjusted through the adjusting screw, so that the correct occlusion relationship with other teeth in the oral cavity is ensured, the chewing efficiency is improved, and meanwhile, the displacement of adjacent teeth and the degeneration of soft and hard tissues in the oral cavity are reduced.
Owner:MAOMING JINGUANQIAO DENTURE CO LTD
Removable denture receptacle
Owner:枣庄职业学院
System for converting removable denture into fixed denture, prosthetic fixation sleeve, sealing member and method for converting removable denture into fixed denture
The present invention relates to a system for converting a removable denture into a fixed denture, the system comprising: at least one removable denture; at least two dental implants 40 on which two intermediate prosthetic components 30 are arranged, each intermediate prosthetic component 30 housing a fixing sleeve 10 provided with a central bore through which a sealing component 50 temporarily passes; wherein the sealing member 50 has a diameter dimension adapted to seal a central bore arranged in the center of the sleeve (10). In addition, embodiments of the sealing member 50, the securing sleeve 10 and methods suitable for use in office and laboratory environments in which the member is involved are also described.
Owner:JJGC INDUSTRIA E COMERCIO DE MATERIAIS DENTARIOS SA
Auxiliary tool for removing and wearing removable denture
The utility model relates to the technical field of dental medical tools, and discloses an auxiliary tool for removing and wearing a removable denture, which comprises a support, a handle is fixedly arranged below the support, a distribution box is fixedly arranged at the rear end of the support, a display screen is fixedly arranged above the support, a cavity is arranged above the support, and the distribution box is fixedly arranged in the cavity. The display screen is installed on the inner wall of the cavity, a depth detection mechanism is installed on one side of the cavity in a penetrating mode, a control panel is fixedly installed on one side of the support, a medical worker can conveniently hold the medical worker by hand through the support and the handle, and a camera can be installed through the distribution box and the display screen to observe the oral cavity of a patient; the auxiliary rod is installed in the cavity in a penetrating mode, the auxiliary rod is used for pushing so that the interior of the oral cavity of a patient can be measured, the oral cavity of the patient is expanded through the flaring ring, therefore, damage to the oral cavity of the patient in the false tooth picking process is avoided, and the operation convenience of medical staff is improved.
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANCHANG UNIV (JIANGXI PROVINCIAL STOMATOLOGICAL HOSPITAL)