32 results about "Tooth repair" patented technology

The invention discloses a tooth repair composition containing mesoporous hydroxyapatite, a tooth repair product and a preparation method and application of the tooth repair composition and the tooth repair product. The tooth repair composition comprises nano-hydroxyapatite, fluoride and a chelating agent, the logarithm value logK of the stability constant K of the chelating agent to calcium ions is 1 < = logK < = 5, and K is measured in an aqueous solution with the temperature of 25 DEG C, the pH value of 7.0 and the ionic strength of 0.1 M; the nano-hydroxyapatite is prepared from nano-scale mesoporous hydroxyapatite, and the nano-hydroxyapatite contains nano-scale mesoporous hydroxyapatite. By adding the specific chelating agent, dynamic balance is formed in the tooth repairing composition, slow release protection can be formed on free calcium ions, the double inactivation effect possibly occurring when hydroxyapatite and fluoride exist at the same time is effectively avoided, the synergistic repairing effect of hydroxyapatite and fluoride is fully exerted, and the tooth repairing effect is improved. The use of fluorides can be greatly reduced, and safety and reliability are achieved.

The present invention relates to the technical field of dental medical treatment, and specifically discloses a method for using a CBCT (Cone Beam Computer Tomography) for automatically positioning a tooth, which comprises the following steps: S01, archiving CT data; S02, calculating AI and generating AI results; S03, entering CT reading by a client; S04, downloading and loading the CT data; S05, opening a function of a tooth lens; S06, selecting a corresponding tooth position in a tooth position list; and S07, selecting a 3D tooth rendering mode. The function of the ‘tooth lens’ is added into traditional CT reading, which is suitable for clinical disease diagnoses such as ‘tooth extraction, root canal therapy, tooth repair’ and the like in oral treatment, and doctors can precisely and quickly position the single tooth through selection for the tooth position, which facilitates more comprehensive analysis.

The invention discloses an extruded thread trimming detection method, an extruded thread system and application. The method comprises the following steps: calling an impedance reference template bound with a material and a tap index, synchronously collecting steady-state alternating-current impedance of each chip groove at different depths of a thread, calculating deviation according to a groove position weight, setting two-stage threshold values to generate local or overall abnormal marks, then carrying out partitioned statistics on the continuous interval length and number of the abnormal marks, and finally, carrying out statistical analysis on the continuous interval length and number of the abnormal marks. And obtaining a thread overall quality judgment result. According to the technical scheme, the tooth crest trimming quality can be nondestructively detected in real time in the tooth trimming process on the premise that the machining takt is not affected, batch rework or scrapping caused by later spot check is avoided, and the method is suitable for thread batch production with the high quality requirement.

The invention relates to the technical field of oral clinical medicine, and discloses a digital tooth bridge generation method which comprises the following steps: inputting a tooth three-dimensional mesh model and an occlusion direction; establishing a tooth local coordinate system based on the occlusion direction; on the basis of the tooth local coordinate system and the tooth restoration type, calculating a connector placement area between adjacent tooth models; generating a connector control line based on the connector placement area; constructing a connector grid according to the connector control lines; and fusing the connector grid and the tooth three-dimensional grid model to generate a tooth bridge model. Through a small amount of necessary input of the model and the direction, full-chain self-adaptive processing is driven, dependence on a preset template and manual intervention of a user is reduced, and therefore the tooth bridge model meeting the clinical function and attractiveness requirements is generated, the situations that the shape is abrupt and transition is unnatural after fusion are reduced, and the repairing effect is improved. The invention further discloses a digital tooth bridge generation device, a digital tooth bridge generation system and a computer readable storage medium.

The invention discloses sub-nanowire modified resin as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The resin comprises sub-nanowires and a resin matrix, and solves the problem of poor adhesion caused by excessive hydration of an adhesion interface in clinical operation. Meanwhile, through the multi-stage interaction between the resin matrix and the sub-nanowires, the cohesive stability of the resin and the adhesive property of the resin can be improved at the same time. The resin disclosed by the invention can be applied to the fields of tooth restoration and the like, in particular to the aspects of tooth bonding, filling and the like.

The present application relates to the technical field of aero-engine, disclose a kind of gear end tooth repair method, comprising the following steps: S1, preparation package, after filling alloy disc powder in package, package is set on the end tooth of gear;S2, by pressure device let the end tooth of gear and package between vacuum after package brazing sealing;S3, to gear heat isostatic pressing;S4, to gear heat treatment;S5, using circular arc end tooth grinder to gear grinding processing.The alloy disc powder can be realized with the same mechanics of gear parent alloy, anti creep fatigue, no metallurgical defect connection, can effectively solve the problem of crack, poor mechanical properties, poor creep performance, poor wear resistance and so on.

The invention discloses a digital intelligent oral cavity restoration process simulation system and method based on an oral cavity video, and belongs to the technical field of oral cavity digital restoration. The system comprises an oral cavity video acquisition module which is responsible for multi-angle video acquisition, preprocessing and oral cavity key point extraction; the modeling module is used for completing multi-view matching, three-dimensional basic model construction and defect identification and occlusion analysis; the three-dimensional repair design module is used for designing a three-dimensional tooth repair model in a digital environment; the virtual assembly detection module carries out assembly and biting fit detection to obtain fit indexes; the process simulation module adjusts process parameters based on the adaptation indexes and simulates and repairs the tooth state; and the repair scheme determination module iteratively optimizes the design parameters according to the state data and the ideal target to obtain a final optimized repair scheme. According to the scheme, the oral cavity three-dimensional model is reconstructed based on the multi-angle video, repair design is completed in combination with defect and occlusion analysis, a personalized scheme is generated through simulation evaluation and iterative optimization, and the repair precision is improved.

The invention relates to the technical field of forensic dental medicine and restorative dentistry, and discloses an artificial intelligence-driven defective tooth automatic restoration and reconstruction method, which comprises the following steps: S1, collecting a human real tooth model and collecting a corresponding two-dimensional image and a three-dimensional model to obtain an original data set; s2, processing the original data set by using a traditional image processing method to obtain an enhanced data set, and randomly dividing the enhanced data set into a training set, a verification set and a test set in a ratio of 8: 1: 1; and S3, constructing a tooth restoration and reconstruction network structure, wherein the overall network structure comprises three sub-networks: a tooth image restoration network, a tooth image preprocessing network and a tooth three-dimensional reconstruction network. According to the method, the repairing process of the defective teeth is simplified, manual participation is reduced, and the tooth repairing process is more intelligent, so that the repairing efficiency is remarkably improved, and meanwhile, the requirement for diagnosis experience of doctors is also reduced.

A threaded hole bad tooth repairing tool comprises a guiding screw tap, a repairing screw tap and an abutting and supporting pull rod, the repairing screw tap comprises a plurality of repairing units, and the repairing units are clamped to the end of the guiding screw tap in the circumferential direction at intervals; the abutting and supporting pull rod penetrates through the guiding screw tap and the repairing screw tap at the same time and comprises an abutting and supporting end, the abutting and supporting end abuts against the multiple repairing units at the same time, and the abutting and supporting pull rod pulls the multiple repairing units to drive the multiple repairing units to expand outwards at the same time. In-situ repair of the damaged threaded hole of the water-turbine generator set can be achieved.

The invention provides a preparation process of a bioactive ceramic coating for false tooth repair. The preparation process comprises the following steps: S1, selecting a bioactive ceramic raw material and detecting the purity of the bioactive ceramic raw material; s2, calculating the ratio of the bioactive ceramic raw materials and mixing; s3, pretreatment of a denture base; s4, spraying preparation of a bioactive ceramic coating; s5, curing treatment of the bioactive ceramic coating; s6, detecting the performance of the bioactive ceramic coating and judging the quality of the bioactive ceramic coating. According to the method, through multi-step data linkage and algorithm cooperation (S2 double algorithms and S4 double algorithms), the coating performance is converted from'experience control 'to'accurate calculation', the problems of insufficient coating biocompatibility, large mechanical property fluctuation, poor thickness uniformity and the like in a traditional process are solved, accurate parameter regulation and control are achieved, and the method is suitable for large-scale popularization and application. The preparation quality of different batches and different types of false tooth coatings is kept stable, and the large-scale production requirement is met.

The present application relates to a kind of multifunctional pharmaceutical composition of dental comprehensive repair and its preparation method, belong to biopharmaceutical technical field, and pharmaceutical composition includes keratin peptide, coral fungus extract, eggshell derived nano calcium phosphate, catechin zinc complex, hydroxyapatite, modified chitosan-PEG gel and other components.Keratin peptide is the product between 3kDa-10kDa obtained by keratinase enzymolysis to white goose velvet;Coral fungus extract is the product obtained by cellulase, subtilisin and bromelain enzymolysis to coral fungus, and purified by G-25 dextran gel column;Modified chitosan-PEG gel is the product obtained by sodium cyanoborohydride stabilization and glycerol plasticization to the reactant of chitosan and dialdehyde polyethylene glycol.Integrated multiple functions such as antibacterial, mineralization and tissue repair, through optimizing component and dosage form, realize efficient, minimally invasive dental damage repair, and good biocompatibility and long-acting.

The utility model discloses a turbine bearing outer oil baffle copper tooth repair scraping tool, include: scraper head, its working end is equipped with the wedge-shaped cutting edge of angle matching with oil baffle copper tooth, handle, present long rod state, and the front end fixed connection scraper head, the handle of gripping, for hollow cylinder structure, and handle can slide and be arranged in the inside of gripping, length adjusting mechanism, set up in the inside of gripping, the cutting edge plane of scraper head is perpendicular to handle axis. The utility model discloses a telescopic handle and gripping structure, combine the screw thread precision drive mechanism, effectively solved the traditional tool in the narrow space of steam turbine when the operation of oil baffle copper tooth is inconvenient, and the precision is out of control's difficult problem. It can flexible adaptation different operation depth, and the adjustment process is stable and accurate, and the scale visualization guarantees the repair scraping size consistency, and the overhaul quality and efficiency are greatly improved. Anti -skidding handle and contraction design have strengthened the operation safety and portability, and the overall structure is simple, and the practicality is strong, and the equipment damage risk and maintenance cost are reduced significantly.

The invention discloses an intelligent dental crown based on AI and multi-process integration and a preparation method thereof, and mainly relates to dental restoration. The sensor module is a microchip integrated in a dental crown and comprises a pH sensor with the measurement precision of + / -0.02, a temperature sensor with the precision of + / -0.1 DEG C, a pressure sensor with the measuring range of 0-500N and a pressure sensor with the measuring range of + / -1N and a bacterial concentration sensor with the measuring range of + / -1N; the biomaterial layer is composed of a self-repairing nano composite material, the mechanical property recovery rate within 24 hours after scratch damage is larger than or equal to 90%, the bacteriostasis rate on oral pathogenic bacteria is larger than or equal to 95%, the data processor is internally provided with an AI algorithm and used for analyzing sensor data and transmitting the sensor data to terminal equipment through Bluetooth, and the biomaterial layer comprises pH response type antibacterial ceramic. When the pH value of the oral cavity is less than 5.5, alkaline substances are automatically released to neutralize the acid environment. The dental crown has the advantages that the problems that a traditional dental crown is single in function and low in manufacturing efficiency are solved, and real-time monitoring and accurate repairing of the oral cavity environment are achieved.

The invention relates to a multifunctional pharmaceutical composition for comprehensive tooth repair and a preparation method thereof, and belongs to the technical field of biological pharmacy, the pharmaceutical composition comprises keratin peptide, a coral fungus extract, eggshell derived nano calcium phosphate, a catechin zinc complex, hydroxyapatite, modified chitosan-PEG gel and other components. The keratin peptide is a product between 3kDa and 10kDa obtained by performing enzymolysis on white goose down through keratinase; the coral fungus extract is a product obtained by carrying out enzymolysis on coral fungus through cellulase, subtilisin and bromelain and purifying through a G-25 sephadex column; the modified chitosan-PEG gel is a product obtained by stabilizing a reactant of chitosan and dialdehyde polyethylene glycol through sodium cyanoborohydride and plasticizing through glycerol. Multiple functions of antibiosis, mineralization, tissue repair and the like are integrated, efficient and minimally invasive tooth injury repair is achieved by optimizing components and dosage forms, and biocompatibility and long-term effectiveness are good.

The invention relates to a composition with tooth repairing and whitening effects and application thereof. The composition is prepared from paeonol, honokiol, allantoin and a crocus sativus extract. The invention creatively discovers that paeonol, honokiol, allantoin and crocus sativus extract have a remarkable synergistic effect in the aspects of repairing and whitening the teeth. The four components are compounded for use, so that dental plaque bacteria can be remarkably reduced, gingival inflammation can be relieved, and meanwhile, the tooth whitening effect can be improved.

The utility model relates to a veneering tooth preparation guide plate, which belongs to the technical field of tooth restoration, and is characterized in that a molar guide plate is fixedly connected between a pair of positioning tooth sockets through a connecting piece so as to be matched with a dentist to quickly perform molar treatment in the veneering tooth preparation process, and the positioning tooth sockets are sleeved on teeth on two sides of veneering teeth; according to the tooth grinding device, the tooth grinding guide plate is conveniently fixed to the top or the front side of the veneering tooth, then the tooth grinding device is guided through the guide groove in the tooth grinding guide plate, the technical requirement for tooth grinding is effectively lowered, hurt to a patient due to tooth grinding operation errors is avoided, and meanwhile the tooth grinding device is convenient to use. And the tooth grinding condition of the veneering tooth can be observed in real time by utilizing the operation window formed on the connecting piece, so that a dentist can quickly grind the tooth, and the tooth grinding efficiency is improved.

1. The name of the design product: dental curing light (DR-1129). 2. The use of the design product: special equipment for dental treatment, which makes dental materials (such as composite resin, adhesive, etc.) rapidly solidify under the irradiation of light of a specific wavelength, thereby realizing the functions of tooth repair, bonding, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: assembly 1 perspective view 1. 5. Other components that need to be explained: including assembly 1, assembly 2.

The invention discloses an extrusion thread trimming self-adaptive control method, an extrusion thread system and application. The extrusion thread trimming self-adaptive control method comprises the steps that workpiece material information and extrusion force historical data are obtained, a spindle no-load power waveform is collected, energy baseline parameters are extracted, and a crest residual height initial threshold value and a hardened layer thickness initial threshold value are determined; setting a radial compensation amount according to an initial threshold value, executing micro cutting, and analyzing a cutting process power waveform to obtain energy characteristic data; crest residual height data and hardened layer thickness data are obtained from the whole circumference of the thread, correction is carried out by combining the energy characteristic data, and evaluation data are generated; executing a threshold value updating algorithm, and outputting a new threshold value and a tooth repairing instruction; and calling a tooth repairing instruction to complete segmented trace cutting or calendaring treatment, and confirming that the index meets the updated threshold value. According to the scheme, double-index accurate control and dynamic balance of the tooth crest residual height and the hardened layer thickness can be achieved, the problem that a traditional fixed parameter method cannot adapt to workpiece differences is solved, and the machining quality and consistency are remarkably improved.

The present application belongs to the field of turbine blade repair, and discloses a kind of blade tenon tooth repair method, comprising: grinding out the grinding part matched with the tenon tooth of blade to be repaired on oilstone;Wherein, the surface shape of grinding part and the tenon tooth of blade to be repaired is consistent, and the size is reduced by preset proportion;Grinding part of oilstone is soaked in lubricating oil for a preset time;The surface of the grinding part of oilstone after soaking is tightly attached to the surface of the tenon tooth of blade to be repaired for grinding repair, and the error between the actual size and the target size of the relative tenon roller is measured during the repair process, until the error is less than the preset error threshold, the tenon repair of blade to be repaired is completed.By analyzing the tool form, operation mode and the surface quality of the blade to be repaired during the repair process, the problems that the repaired blade cannot meet the design and assembly test requirements are overcome, the effective repair of the blade with defective tenon is realized, and the manufacturing cost is effectively reduced and the resource waste is reduced.

Dental instrument for the application of tooth repair / filling material

The application discloses a preparation method of a multi-element mineral compound, which comprises the following steps: preparing calcium carbonate ion oligomers and calcium phosphate ion oligomers; uniformly mixing the calcium carbonate ion oligomers and the calcium phosphate ion oligomers, stirring, centrifugal separation, washing, and obtaining calcium carbonate and calcium phosphate composite gel; and drying the calcium carbonate and calcium phosphate composite gel to obtain the multi-element mineral compound. The application further discloses the multi-element mineral compound prepared by the above preparation method and application thereof. The preparation process is simple, and the cost is low. The multi-element mineral compound prepared by the preparation process has uniform structure, adjustable chemical components and properties, single and adjustable phase transition temperature, and good mechanical properties. The hardness of the multi-element mineral compound can reach 0.85+ / -0.08 GPa, which is 142% and 102% higher than that of amorphous calcium carbonate and amorphous calcium phosphate respectively. The multi-element mineral compound has wide application prospect in the fields of cement fillers, biological bone cement and tooth repair.

The invention provides a bionic tooth repair filling material and a preparation method thereof, and belongs to the technical field of filling materials. The bionic tooth repair filling material comprises a resin matrix and a functional nano filler dispersed in the resin matrix, the functionalized nano-filler comprises intelligent antibacterial nano-particles, biomimetic mineralized nano-particles and enhanced nano-filler. According to the material, through the synergistic effect of all the components, nearly zero polymerization shrinkage is achieved, the material has the capacity of intelligent on-demand antibacterial and active induction mineralization repair, secondary decayed teeth are effectively prevented, and the long-term stability and success rate of a prosthesis are remarkably improved.

The utility model belongs to the technical field of diamond micro-cutting knives, and particularly relates to a diamond micro-cutting knife supplementary tooth convenient to replace, which comprises an L-shaped support and a diamond micro-cutting knife, the diamond micro-cutting knife comprises a knife rest, the knife rest is detachably connected with a plurality of knife teeth through a connecting assembly, and the knife teeth are arranged on the L-shaped support. The L-shaped support is provided with a supporting assembly used for bearing the tool rest, and the top end of the L-shaped support is provided with a disassembling and assembling assembly used for disassembling and assembling the connecting assembly. The cutter teeth are detachably connected to the cutter rest through the connecting assembly, the cutter rest is arranged on the L-shaped support through the supporting assembly, and the connecting assembly is disassembled and assembled through the disassembling and assembling assembly, so that when the cutter teeth on the diamond micro-cutting cutter are abraded, the cutter teeth can be automatically replaced, tooth complementing is achieved, and the cutting efficiency is improved. And the whole diamond micro-cutting knife does not need to be replaced, so that the cost investment is reduced to a certain extent.

The application relates to the field of hub production and provides an automatic tooth repairing device for a hub bearing unit, which comprises a bottom plate, side plates fixedly arranged at the two sides of the top end of the bottom plate, a top plate fixedly arranged at the top end of the side plate, a machining space formed among the bottom plate, the side plate and the top plate, a lifting assembly arranged in the machining space, a lifting table provided on the lifting assembly, a plurality of workpiece positioning seat sleeves fixedly arranged at the top end of the lifting table, bearing unit workpieces placed on the workpiece positioning seat sleeves, a clamping assembly fixedly arranged at the bottom end of the top plate and used for clamping a spline broach, and the spline broach comprising a vertical pulling shaft. The application has the following beneficial effects: the spline broach top and bottom parts can be fixed, a hexagonal fixing column is arranged, the fixing effect of the spline broach is improved, a front rotary spline broach can be installed, the direction of the spline broach teeth on the spline broach can be changed, the new spline broach tooth surface faces the hub bearing unit needing to be repaired, the repairing quality is ensured, and the spline broach is not excessively wasted.

This application relates to a device for repairing broken teeth in the medium-speed stage of a GE wind turbine gearbox, belonging to the field of broken tooth repair technology. It includes a base frame, a support assembly, a repair assembly, and a main controller. This application utilizes a worm gear and worm shaft meshing transmission combined with a servo motor drive to achieve precise rotation adjustment of the turntable, solving the problem of insufficient positioning accuracy in existing devices. A dual-axis motor drives a lead screw, causing the moving plate to move the connecting plate and clamping plate, adapting to gearboxes of different sizes and improving compatibility. The turntable and micro-support provide dual support for the lead screw. Guide columns guide the movement of the moving plate, and limit blocks restrict the movement range, ensuring clamping stability. Heat dissipation vents provide timely heat dissipation, ensuring stable operation of components such as the dual-axis motor. A cylinder drives a horizontal plate to adjust the height of the mechanical repair arm. A laser welding head and mechanical grippers work together to complete the repair. A column and fixing plate ensure stable movement of the horizontal plate, improving repair accuracy. The main controller achieves automated linkage between the support assembly and the repair assembly, simplifying operation.

The utility model belongs to the technical field of false tooth processing, and particularly relates to equipment for mounting an implant false tooth repair model accessory, which comprises a bottom plate, the first adjusting mechanism is arranged on the bottom plate, the driving end of the first adjusting mechanism is connected with the clamping mechanism, the first adjusting mechanism is used for adjusting the angle of the clamping mechanism, and the clamping mechanism is used for clamping a model; the vertical driving part is vertically arranged on the bottom plate and located on one side of the first adjusting mechanism. The second adjusting mechanism is arranged at the driving end of the vertical driving part and located above the first adjusting mechanism, and the vertical driving part is used for driving the second adjusting mechanism to vertically move; the pressure gauge is vertically connected to the driving end of the second adjusting mechanism; the press-in rod is detachably connected to the bottom of the pressure gauge, the bottom of the press-in rod is detachably connected with an accessory, the accessory is used for mounting a false tooth, the pressure gauge is used for detecting the pressure value of the accessory driven by the press-in rod to be pressed into a model, and the position deviation of the accessory in the model can be reduced.

The utility model discloses an abutment for dental implant restoration, which comprises a fixing screw, an abutment main body is fixedly mounted on the upper surface of the fixing screw, the abutment main body is fixedly connected to the upper surface of the fixing screw through a locking screw, and an artificial tooth is fixedly adhered to the outer surface of the abutment main body. Sliding grooves are formed in the surface of the inner side of the base table body and distributed in the surface of the inner end of one side of the base table body, springs and clamping blocks are arranged on the surfaces of the inner sides of the sliding grooves of the base table body, triangular clamping protrusions are arranged on the surfaces of the outer ends of the clamping blocks, and triangular clamping grooves are formed in the outer surfaces of the locking screws. The outer surfaces of the triangular clamping protrusions at the outer ends of the clamping blocks are clamped to the surfaces of the inner sides of the triangular clamping grooves of the locking screws, the locking screws are adopted for fixing the column base body, installation is tight and firm, meanwhile, the clamping mechanisms are arranged on the inner side, the locking screws are clamped and positioned, twisting and loosening are prevented, and installation is firm.

The utility model relates to the technical field of false tooth repairing tools, and discloses an anti-accidental-injury oral false tooth repairing tool which comprises a tool body, a protection mechanism is arranged on the outer side of the tool body in a sliding mode, a lamp holder is fixedly arranged on the upper end face of the tool body, an illuminating lamp is fixedly arranged on the upper end face of the lamp holder, and two tool aprons are fixedly arranged on the upper end face of the tool body. Two first screw holes are formed in one side of each tool apron, a blade mechanism is arranged between the two tool aprons in a clamped mode, and two fixing bolts are fixed between the two tool aprons in a threaded mode. The protection mechanism is arranged on the outer side of the knife body of the oral denture repair knife, the knife head can be hidden by sliding the protection mechanism to prevent the knife head from accidentally injuring the oral cavity, meanwhile, the lighting mechanism is arranged at the top of the knife body to provide lighting, a doctor can conveniently observe and operate, and the blade mechanism is fixed at the top end of the knife body through the fixing bolt. The damaged tool bit is convenient to replace, and waste of resources is reduced.

This invention discloses a bimetal band saw blade tooth repair device, relating to the field of saw blade repair technology. It includes a housing, with a horizontal plate welded to the center of the housing's inner cavity. A first reduction motor is bolted to the right end of the housing. The other end of the first reduction motor is interference-fitted with one end of a rotating shaft. The other end of the rotating shaft passes through the housing and is axially connected to the inner wall of the housing. A first gear is welded to the outer wall of the rotating shaft. First racks mesh with the front and rear sides of the outer wall of the first gear. A connecting rod is welded to the upper end of the first rack. This bimetal band saw blade tooth repair device, through a structure including a housing, a first reduction motor, a rotating shaft, a first gear, a first rack, a vertical rod, a horizontal plate, a frame, a second reduction motor, a second gear, a second rack, and a horizontal cylinder, achieves the grinding function of a grinding rod and adjusts the grinding position of the grinding rod. It can automatically complete the grinding and repair of bimetal band saw blade teeth, eliminating the need for manual grinding and repair.

The utility model discloses a clamp suitable for linear cutting connecting rod tooth profile machining, which is used for positioning a connecting rod comprising a first hole and a second hole so as to enable a cutting device to carry out linear cutting and tooth profile machining, and relates to the technical field of mechanical tool clamps, the clamp comprises a base, a first positioning piece, a second positioning piece and a fixing piece, the first positioning piece, the second positioning piece and the fixing piece are arranged on the same side of the base, the first positioning piece comprises a rotating part matched with the first hole so that the connecting rod can rotate around the axis of the first hole, the second positioning piece and the second hole are assembled, and the second positioning piece and the second hole can move relatively; the fixing piece is used for driving the connecting rod to move towards the fixing piece until the second positioning piece abuts against the inner wall of the second hole; the molybdenum wire can be prevented from being pinched off easily during tooth repairing, and meanwhile the tooth profile fitting degree after the connecting rod body and the connecting rod cover are machined is improved.