27 results about "Mastication" patented technology

The application discloses a kind of based on photosensitive bioceramics deciduous tooth additive manufacturing forming process, it is related to ceramic deciduous tooth manufacturing technical field, comprising the following steps: using oral scanner to collect children's dental three-dimensional data, generate deciduous tooth restoration three-dimensional data model and export STL format deciduous tooth repair model;Using photosensitive liquid bioceramic composite material, through DLP photocuring 3D printing into initial blank, again through blue light three-stage resolidification and get blank body.In the process, the morphological characteristics of adjacent healthy deciduous teeth can be accurately extracted, and the crown height correction coefficient is automatically matched according to the age of the child, effectively compensating for the size deviation of the unerupted deciduous teeth, ensuring that the size error of the restoration is small, adjusting the occlusal surface morphology of the restoration according to the actual data of the teeth at the same time, making the occlusal contact area ratio higher, and reserving occlusal buffer space to avoid excessive local stress, significantly improving the mastication comfort and durability of the restoration.

The invention discloses a posterior tooth arrangement method and device based on measurement of an alveolar ridge intercrest line angle and a medium. The method comprises the following steps: acquiring an occlusion record of a patient; according to the occlusion record of the patient, establishing an upper and lower jaw edentulous jaw three-dimensional model of the patient; determining an occlusal plane of the three-dimensional model, and performing preliminary tooth arrangement on the three-dimensional model according to the occlusal plane; carrying out alveolar ridge intercrest line angle measurement on the three-dimensional model after preliminary tooth arrangement; and modifying the three-dimensional model after preliminary tooth arrangement based on an alveolar ridge intercrest line angle measurement result to obtain a posterior tooth arrangement scheme. According to the method, the included angle between the connecting line of the upper and lower jaw alveolar ridges and the occlusal plane is used as a basis for judging the arrangement mode of the back teeth, three-dimensional reconstruction is carried out on the oral cavity of the patient, digital measurement of the alveolar ridge intercrest line angle of the patient is completed in a computer, and the generated arrangement scheme of the back teeth can recover the relation between the upper and lower jaws of the patient more reasonably; the retention, the stability and the chewing performance of false tooth wearing are improved.

Newness and distinctiveness are claimed in the shape and configuration of a Therapeutic Animal Mastication Device as depicted in the accompanying representations. The front and rear end views are identical. The left and right side views are identical. Features depicted in dashed lines do not form part of the scope of the design.

A mastication monitoring system and method are disclosed. The mastication monitoring system according to one embodiment of the present invention comprises: a data collection unit for collecting electromyography data by using an electromyography sensor provided in a predetermined wearable device; a masticatory muscle activation determination unit for determining whether the masticatory muscles are activated on the basis of the electromyography data collected by the data collection unit; a mastication cycle counting unit for counting mastication cycles by analyzing the electromyography data when the masticatory muscle activation determination unit determines that the masticatory muscles are activated; a mastication history generation unit for, when the mastication cycle counting unit terminates the counting of mastication cycles, generating mastication history data by collecting the electromyography data from a time point at which the masticatory muscles are activated to a time point at which the counting of mastication cycles is terminated; and a data transmission unit for transmitting the mastication history data generated by the mastication history generation unit to a user terminal paired with the wearable device.

The utility model discloses a chewing trainer, and particularly relates to the field of medical instruments. The chewing trainer comprises a mouth support, a chewing part and an automatic propelling device, the chewing part is detachably arranged on the side edge of the mouth support, the chewing part is provided with a containing cavity and a plurality of communicating holes, the communicating holes are communicated with the containing cavity, the mouth support is provided with a columnar protruding block, and the columnar protruding block is arranged on the mouth support. The cylindrical protruding block is provided with a storage cavity used for storing food, the storage cavity is communicated with the containing cavity, and the automatic propelling device is arranged at the top of the cylindrical protruding block, extends into the storage cavity and is used for automatically squeezing the food in the storage cavity into the containing cavity.

The utility model belongs to the technical field of training tools, and particularly relates to a child tongue and lower jaw coordination training tool which comprises a fixing plate, the fixing plate comprises an arc-shaped plate which is made of food-grade PP materials, the front side wall of the arc-shaped plate is fixedly connected with a limiting clamp, the inner side wall of the limiting clamp is provided with a groove, a training structure is slidably connected with the limiting clamp, and the limiting clamp is provided with a groove. The height of the training structure is freely adjusted, the fixing structure is in threaded connection with the limiting clamp and limits and fixes the training structure, the detection structure is arranged in the center of the upper portion of the training structure and detects the tongue swing amplitude, and the lower end of the fixing belt is fixedly connected with the left side and the right side of the arc-shaped plate; the training tool can be fixed to the head of a child through the arc-shaped plate and the fixing belt, the training tool is relatively fixed to the lower jaw, the lips and the tongues of the child, the detection structure is located on the outer side of the lips of the child, the arranged detection structure can train the swing capacity of the tongues of the child, and the lower jaw, the lips and the tongues are trained in a matched mode; the chewing coordination of children can be more efficiently trained.

The utility model provides an appliance for treating class II high angle mandibular retraction, which comprises an intraoral device and an extraoral device, the extraoral device comprises an improved chin pocket and a head anchorage, the improved chin pocket is used for contacting with a mandibular to be corrected, a connecting rod is arranged on the improved chin pocket, a support is arranged on the head anchorage, a plurality of traction hooks are arranged on the support, and the traction hooks are connected with the connecting rod. The connecting rod is connected with a traction hook through an elastic traction rubber band; the intraoral device is a jaw pad arranged at the rear teeth of the lower jaw; the jaw pad forms a fulcrum at the rear teeth of the lower jaw, the head anchorage generates forward traction force to the improved chin pocket through the elastic traction rubber band and the traction hook, the jaw pad is matched with chewing of a patient, the effect of pressing the rear teeth is generated when the upper jaw and the lower jaw are in occlusion contact, and the lower jaw is guided to grow forwards and upwards to treat the rear shrinkage face type of the lower jaw. The effects of lowering back teeth, improving the high angle trend and correcting the forward leaning posture of the cranium and the neck can be achieved, the treatment period is greatly shortened, and the treatment effect is greatly improved.

The utility model discloses an arch control device for orthodontics, which comprises a bracket and an arch wire, the bracket is provided with a shell I and a shell II, and the side ends of the shell I and the shell II are clamped; the bracket is fixedly connected with a limiting block, a first locking hole is formed in the limiting block in a penetrating mode, the limiting block is fixedly connected with an elastic piece, one end of the elastic piece is fixedly connected with a clamping column, and the clamping column penetrates through the first locking hole; a clamping block is fixedly connected to one end face of the shell, a clamping groove is formed in the end face of the second shell and matched with the clamping block, an inclined groove is formed in the end face of the clamping groove, and a second locking hole is formed in the inner wall of the second shell in a penetrating mode; according to the utility model, the bracket and the arch wire are completely covered by the C-shaped shell, the sharp groove and the ligation wing of the metal bracket are completely covered, and the channel design of the through groove is combined, so that large-particle food residues are intercepted during chewing, liquid is allowed to flow to form a scouring effect, and micron-sized residues and bacterial metabolites retained in the shell are removed.

The application provides an evaluation method of pesticide residue bioavailability of aquatic products, which comprises the following steps: simulating oral mastication, simulating gastric digestion and simulating intestinal digestion of aquatic product samples to obtain digested chyme; detecting pesticide residues in the digested chyme and the aquatic product samples by gas chromatography respectively, and calculating the bioavailability of pesticides in the aquatic products after gastrointestinal digestion; and further evaluating the bioavailability of pesticides across the cell membrane in the aquatic products by performing cell absorption and transport experiments. The method is simple, convenient and operable, and can be used to evaluate the bioavailability of pesticide residues in aquatic products in human body, and provides a reference for further evaluating the bioavailability of pesticide residues in aquatic products.

The utility model discloses a multifunctional rehabilitation technique training device for dysphagia, which relates to the technical field of dysphagia rehabilitation, and comprises a control box internally provided with a control cavity and a rotating cavity in a separated manner; the control module is fixedly connected to one side in the control cavity; the swinging mechanism is arranged in the rotating cavity and used for swinging the tongue of the patient, the swinging mechanism comprises a supporting component, a driving component and a rotating frame, the supporting component is arranged in the rotating cavity, and the rotating frame is arranged on the supporting component. According to the multifunctional rehabilitation technique training device for dysphagia, through the use of the swing mechanism, the tongue sleeve can be controlled to swing in all directions, so that the movement of the tongue in the chewing process is simulated, the activity of tongue muscles is improved, and the use effect is guaranteed; the whole tongue can be comprehensively pressed, the whole training effect of the tongue is guaranteed, and the whole training efficiency is improved.

The invention relates to the technical field of auxiliary appliances for old people, in particular to an auxiliary chewing device which comprises a main support, a sealing mechanism is arranged at the top of the main support, a shredding mechanism and a compression mechanism are arranged on the main support, the shredding mechanism is connected with a hand-operated driving mechanism, the compression mechanism is connected with a gap adjusting mechanism, and supporting legs are symmetrically arranged on the two sides of the main support; the main support comprises a supporting frame, a feeding hopper is arranged at the top of the supporting frame, and a discharging opening is formed in the bottom of the supporting frame; according to the invention, the shredding wheel is used for simulating the tooth biting action, and then the compression wheel is used for extruding and shaping, so that various foods can be processed into shapes which are uniform in density and easy to swallow, the chewing and swallowing burdens of old people during eating are effectively reduced, and the bucking risk is reduced; the meshing gap of the compression wheels can be flexibly adjusted through the gap adjusting mechanism, the compression degree can be accurately adjusted according to the food texture and the chewing ability of a user, and the diversified feeding requirements are met.

The utility model discloses exercise test equipment for chewing function evaluation in the technical field of medical instruments, which comprises a box body, partition plates are arranged in the box body to divide the box body into an upper-layer storage chamber, a test chamber and a lower-layer waste chamber, a dispensing assembly is arranged in the storage chamber, and the dispensing assembly comprises an arc-shaped plate. A bottom plate is fixedly connected to the cross section of one side of the arc-shaped plate, a plurality of branch plates are vertically and fixedly connected to the inner circumference of the arc-shaped plate, a plurality of circumferential elastic pieces are hinged to a central torsional spring on the side, close to the arc-shaped plate, of the bottom plate, a servo motor is fixedly connected to one side of the bottom plate, and an eccentric block is fixedly connected to an output shaft of the servo motor. The periphery of one side of the eccentric block is fixedly connected with a first electric push rod; a test assembly is arranged in the test chamber. The chewing gum color mixing detection device is efficient and practical, can detect the color mixing degree of double-color chewing gum through a machine, can store the chewing gum so that a patient can exercise the chewing ability at any time, and can detect texture data such as the hardness of the chewing gum after chewing exercise to monitor the chewing ability recovery condition.

The utility model relates to a dental implant capable of enhancing taste stimulation and reducing alveolar bone loss, which comprises an implant body, threads are integrally formed on the outer wall of the implant body, a growth cavity is formed in the lower part of the implant body, a plurality of side through holes communicated with the growth cavity are uniformly formed on the outer wall of the implant body, and the side through holes are communicated with the growth cavity. And an expansion guide groove is formed above the outer opening of each side through hole. According to the utility model, the through growth cavity is formed at the lower part of the implant body, so that the alveolar bone can grow into the implant body cavity, and the new blood vessel in the alveolar bone can receive more taste stimulation caused by chewing food, so that the pain and discomfort caused by chewing of the implant tooth can be relieved to a certain extent; meanwhile, by enhancing taste stimulation during chewing, loss (bone resorption) of the alveolar bone can be reduced, growth of the alveolar bone can be promoted, the bone mass can be increased, the alveolar bone and the implant can be combined more tightly and firmly, and the lasting stability of the implant tooth is improved.

The application belongs to the technical field of medical auxiliary rehabilitation equipment, and provides a wearable oral chewing training device. The wearable oral chewing training device comprises a head cap body, a bite training part, a pressure mechanism and a pipeline. The pipeline comprises a communication pipe and a bite expansion pipe. The bite expansion pipe is a deformable pipe. The pressure mechanism comprises a pump body. The communication pipe has two sections and is located at two ends of the bite expansion pipe. One of the communication pipes communicates with the pump body. The wearable oral chewing training device is reasonable in design, simple in operation, and can realize targeted and customized oral chewing training. Therefore, the existing difficulties are effectively solved, and the device is suitable for industry promotion.

The utility model discloses a silica gel appliance with high structural strength, which relates to the technical field of medical instruments and comprises an arc-shaped silica gel appliance body, the top and the bottom of the silica gel appliance body are respectively provided with an upper occlusion area and a lower occlusion area, the upper occlusion area and the lower occlusion area are provided with a plurality of tooth-shaped grooves, and the upper occlusion area and the lower occlusion area are respectively provided with a plurality of tooth-shaped grooves. Tooth-shaped grooves are formed in the top and the bottom of the silica gel appliance body, the distribution positions of the tooth-shaped grooves are matched with the distribution of teeth of a human body, a through hole is formed in the middle of the outer side of the silica gel appliance body, the through hole penetrates through the silica gel appliance body, and the through hole serves as a breathing hole. By means of the design, the appliance can be attached to teeth more tightly and accurately, when a patient chews to generate external force, the tooth-shaped grooves can better disperse stress, local stress concentration is effectively reduced, and the overall structural strength of the appliance is greatly improved.

The utility model provides an antibacterial composite resin tooth, and relates to the technical field of composite resin teeth, the antibacterial composite resin tooth comprises a composite resin tooth main body, the inner side of the composite resin tooth main body is provided with a dental crown main body, and the composite resin tooth main body is composed of the dental crown main body and a tooth root main body; the composite resin tooth main body can be scanned according to a natural tooth shape of a person needing tooth filling, the dental crown main body and the tooth root main body are printed through a 3D printing technology, the dental crown main body and the tooth root main body are mainly made of organic silicon resin, the organic silicon resin endows the surface of the dental crown with excellent wear resistance, friction in the chewing process can be resisted, and the tooth filling effect is good. The appearance and shape of the dental crown main body and the tooth root main body are kept, the silver-loaded zeolite is further arranged on the inner sides of the dental crown main body and the tooth root main body, the silver-loaded zeolite can slowly release silver ions, the antibacterial effect is further enhanced, tissue around the tooth root is prevented from being infected, and therefore the composite resin tooth main body has a certain antibacterial effect.

Newness and distinctiveness are claimed in the shape and configuration of a Therapeutic Animal Mastication Device as depicted in the accompanying representations. The front and rear end views are identical. The left and right side views are identical. Features depicted in dashed lines do not form part of the scope of the design.

The invention discloses a deciduous tooth additive manufacturing forming process based on photosensitive biological ceramics, and relates to the technical field of ceramic deciduous tooth manufacturing, and the process comprises the following steps: collecting dental three-dimensional data of a child patient by adopting an oral cavity scanner, generating a deciduous tooth restoration three-dimensional data model, and exporting an STL format deciduous tooth restoration model; a photosensitive liquid biological ceramic composite material is subjected to DLP photocuring 3D printing to form an initial blank, and then a blank body is obtained through blue light three-stage recuring. According to the process, the morphological characteristics of adjacent healthy deciduous teeth can be accurately extracted, a dental crown height correction coefficient is automatically matched according to the age of a child patient, the size deviation of incomplete eruption of the deciduous teeth is effectively compensated, the small size error of the prosthesis is ensured, meanwhile, the shape of the occlusal surface of the prosthesis is adjusted according to the actual data of the jaw teeth, and the occlusal contact area is relatively high; and an occlusion buffer space is reserved, so that overlarge local stress is avoided, and the chewing comfort and the durability of the prosthesis are remarkably improved.

The present invention provides a saliva secretion stimulating agent having a dosage form usable in the oral cavity or a dosage form usable by oral administration (dosage form for the oral cavity, dosage form for oral administration). The saliva secretion stimulating agent can be prepared using enzyme-modified isoquercitrin or a combination of enzyme-modified isoquercitrin and a thickening polysaccharide. The present invention also provides an additive (additive for oral composition) that is effective for preparing an oral composition (food or beverage, pharmaceutical product for oral administration) and can impart at least one activity selected from the group consisting of saliva secretion stimulating activity, swallowing improvement activity (swallowing aid activity), and mastication improvement activity (mastication aid activity) to the oral composition. The additive can be prepared using a combination of enzyme-modified isoquercitrin and a thickening polysaccharide.

To provide a method for evaluating a plurality of objects to be masticated, a system for evaluating a plurality of objects to be masticated, a program and a recording medium capable of comparing and relatively evaluating a plurality of objects to be masticated.SOLUTION: A method for evaluating a plurality of masticatory objects, the method comprising: repeatedly compressing each of the plurality of masticatory objects using a processing device configured to be capable of repeatedly compressing the masticatory object; and performing multivariate analysis on each of the plurality of masticatory objects for two or more measurement parameters based on one or more measurement values selected from the group consisting of measurement values measured from the masticatory object during the repeated compression and measurement values measured from the masticatory object after the repeated compression.SELECTED DRAWING: None

The utility model provides an orthodontic bracket which comprises a bottom plate, a fixing block is arranged on the bottom plate, the fixing block comprises an upper wing and a lower wing, an arch wire groove is formed in a gap between the upper wing and the lower wing, a sliding groove is formed in the top face of the upper wing in a penetrating mode, a lock cover is connected in the sliding groove in a sliding mode, and a first groove is formed in the sliding groove. The first groove is formed in the sliding groove and close to the vertical inner wall of the side of the bottom plate, a through hole is formed in the position, corresponding to the first groove, of the lock cover, a shaft wire is arranged in the through hole, one end of the shaft wire is located in the first groove, and a fixing plate is arranged in the first groove and composed of two arc-shaped plates. The positions of the shaft wires are adjusted in the symmetrical placement grooves of the fixing plate, and the shaft wires and the arc-shaped plates are made of deformable materials, so that the lock cover is clamped and limited through the shaft wires when being opened and closed, stress concentration under dynamic loads such as chewing and arch wire traction force is avoided, and the lock cover is prevented from being damaged. And the lock cover is fundamentally prevented from accidentally falling off.

The application provides a label-free mandibular movement dynamic acquisition method, and relates to the field of dynamic reconstruction of jaw position relationship.The application is completely based on video images and tooth three-dimensional models for feature extraction and posture calculation, does not need label points or mechanical device intervention, and can be completed by a subject in a natural state, eliminates human interference sources, and significantly improves physiological measurement accuracy and user experience.A multi-view high-speed camera system is combined with a dental crown point topological structure modeling, multi-view space reconstruction and time sequence compensation are used, stable tracking and high-precision reconstruction are still maintained under the conditions of occlusion and motion blur, and the acquisition failure risk is effectively avoided.The method is based on tooth array overall modeling and posture calculation, can output complete mandibular movement trajectory curves, can accurately express complex movements such as mastication, deviation, occlusion, mandibular lateral rotation, and the like, and provides high-quality original data for clinical occlusion evaluation generation.

The utility model discloses an occlusal surface windowed transparent retainer, which relates to the technical field of orthodontics, and comprises an upper jaw retainer and a lower jaw retainer, the upper jaw retainer and the lower jaw retainer are correspondingly arranged and have the same structure, the upper jaw retainer and the lower jaw retainer are both made of transparent retainers, and the upper jaw retainer and the lower jaw retainer are both made of transparent retainers. A window is arranged on an occlusal surface at a rear tooth position of the transparent retainer, a retaining wire is adhered to the inner side of a cheek-lingual surface membrane at a tooth position at the window position of the occlusal surface of the transparent retainer, and the design is beneficial to rear tooth combination, reduces the influence of the retainer on chewing of a patient, and plays a retaining role to the greatest extent; the front tooth part of the retainer is of a transparent structure, the structure is transparent, lip-side steel wires are not exposed, and the retainer is more attractive; the retaining wire bonded with the diaphragm not only has a good position maintaining function on the teeth, but also is convenient to clean, and can greatly improve the wearing comfort, the aesthetic property and the stability.

The invention discloses a masticatory muscle recovery training appliance, and relates to the technical field of masticatory muscle training, the masticatory muscle recovery training appliance comprises a support frame, the outer surface of the support frame is provided with a masticatory training assembly for training masticatory muscles of a gout patient, the masticatory training assembly comprises a limiting frame, and the outer surface of the masticatory training assembly is provided with a saliva absorption assembly. According to the masticatory muscle recovery training tool, when a large amount of hydrops appears in the oral cavity in the process that a moderate wind patient uses the masticatory muscle training device, the two occlusal pads are moved forwards into the oral cavity of the patient and between upper and lower incisor teeth, so that the oral cavity of the patient is supported, and then the suction catheter is inserted into the oral cavity of the patient; waste liquid is absorbed through driving of the negative pressure pump, meanwhile, saliva in the oral cavity of the patient is comprehensively absorbed by rotating the suction catheter, and the problem that in the prior art, due to the fact that the stroke patient swallow too slowly and weakly, the patient feels uncomfortable and cannot concentrate on masticatory muscle power generation control, and training efficiency is reduced is solved.

The application discloses a yak intestinal health reinforcing type ecological feed containing a biological pharmaceutical additive, belongs to the technical field of biological industry and fermentation engineering, and comprises a fermentation fiber matrix and active microcapsules embedded in the pore structure of the fermentation fiber matrix. The fermentation fiber matrix is a matrix with a pore structure obtained by solid-state fermentation of high-cold fermentation matrix raw materials by complex bacteria. The active microcapsules comprise an active core and a release control layer coated outside the active core. The active microcapsules are embedded in the pore structure of the fermentation fiber matrix. The fermentation fiber matrix is obtained by solid-state fermentation of high-cold fermentation matrix raw materials by complex bacteria and has a pore structure for embedding the active microcapsules. The structure enables the fermentation fiber matrix to bear external mechanical disturbance preferentially during granulation, transportation, mastication and rumen peristalsis, reduces the direct pressure rupture of the active microcapsules, and thus improves the structural integrity of the active microcapsules before entering the target intestinal segment.

The invention discloses a double-arch-wire orthodontic system capable of vertically entering a groove in a full-mouth mode. The double-arch-wire orthodontic system comprises a first arch wire, a second arch wire, a lock cover, a bracket, a pressing wing and an elastic pin shaft, a containing cavity extending from the gum side to the jaw side is formed in the bracket, the locking cover enters the containing cavity, and the pressing wing enters one side of the body part; the pressing wing comprises a pressing part and an ejection piece, and the pressing wing is rotationally connected to the body part through an elastic pin shaft; when the lock cover is inserted into the containing cavity, the ejection piece abuts against the bottom face of the lock cover, the elastic pin shaft drives the pressing wing to be tightly buckled on the lock cover, and therefore the lock cover is limited to be disengaged from the bracket in the gingival direction. According to the invention, the installation view is better, the operation sight is not shielded, the requirement on the manufacturing precision is greatly reduced, the effective control length of the main arch wire is obviously increased, and the lock cover is assembled tighter and tighter along with the chewing action and is not easy to fall off in the mouth.

1. The name of the design product: denture. 2. The use of the design product: used for the restoration of mastication function after tooth loss or extraction. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.