49 results about "Deciduous teeth" patented technology

The object is to provide a novel use application of a dental pulp stem cell collected from a deciduous tooth or a permanent tooth. Disclosed is a composition for autotransplantation or allotransplantation, which is characterized by comprising a dental pulp stem cell collected from a deciduous tooth or a permanent tooth.

A system of dental appliances having various sizes and types and a method for treating malocclusions of patients of various ages without adjustments or appointments are provided. The dental appliances may be sized to treat, for example, patients in age ranges of less than six years; six years to twelve years; and twelve or more years. The dental appliances may have preformed and / or customized sockets and / or slots for more than one tooth, such as incisors and / or canines and / or molars and / or premolars and / or deciduous molars and / or adult molars. The dental appliances may be one-size-fits-all type dental appliances. The dental appliances may be used to treat a malocclusion, such as, for example, an overbite, an overjet, crowding, spacing, or temporomandibular joint problems, and may be distributed in an over-the-counter manner.

A pacifier includes a nipple, a shield and a handle. The nipple comprises a pair of wings extending longitudinally along a bulbous end of the nipple. The wings allow for air to exit and enter the space between the palate and the nipple to prevent a vacuum therebetween. Alternatively, the nipple has a channel system comprising a series of holes on the surface of the nipple, some contacting the palate, to also allow the air to enter and exit the space between the palate and the nipple. The stem of the nipple may also have a transverse hole which receives the baby teeth to prevent an open bite.

The invention relates to a natural fluorine-free edible transparent child nutrition toothpaste, belonging to the daily necessities technical field. The natural fluorine-free edible transparent child nutrition toothpaste of the invention is made by adhesive, foaming agent, moisturizer, sweetener, abradant, perfume, deionized water, preservative, hydrolyzed pearl solution, milk calcium, zinc gluconate, vitamin E acetate and vitamin D2 according to the conventional method. The vitamin E acetate, xylitol, hydrolyzed pearl solution, milk calcium, zinc gluoconate and vitamin D2 in the invention act combinedly, oral odour and bacteria can be effectively cleared away, periodontitis and gingivitis can be prevented and treated, caries preventing effect is obvious, and tooth calcification capability can be improved. Nutrition health care function on deciduous teeth of children of two to five can be realized.

In this invention is described a method that foresees the isolation of a new subpopulation of stem cells derived form dental pulp, whose differentiation is osteoblasts lead to the subsequent production and employment of a bone tissue, called LAB (Living Autologous Bone). Specifically, the invention describes: 1) the isolation of stem cells from the pulp of deciduous and permanent teeth and of dental germs, obtained from human subjects; 2) the growth of these cells in vitro, under specific conditions that allow the isolation of a cellular sub-population, which, after differentiation in osteoblasts, is able to produce in vitro an extracellular matrix, identical to that detectable in bone tissue; 3) the use of this selected and differentiated cell population in order to produce autologous bone tissue in vitro, containing vital osteoblasts; 4) the preservation of the LAB under conditions which guarantee cellular vitality; 5) the use of the LAB in donor patients to reconstruct bone tissue, as required in the daily practice in dentistry, maxillo-facial surgery and orthopedics.

The invention provides infant toothpaste having an all-food-grade raw material formula. The infant toothpaste comprises the following components: a humectant, an adhesive, a stabilizer, abrasives, a sweetening agent, a nutrition enhancer, a flavouring agent, pigment, and the rest of water, wherein cellulose with the fibre length of 40-80 mu m and the granularity of 10-40 mu m is used as an abrasive, and the weight of cellulose is 15-72% of the total weight of the abrasives of the toothpaste. The toothpaste disclosed by the invention is good in teeth cleaning effect and lower in deciduous teeth abrasion; the toothpaste is particularly applied to cleaning infant deciduous teeth in low calcification extent, so that a delicate infant oral environment can be cared better; simultaneously, all selected components are edible components or food additives meeting national relevant safety and health standards; children are also safe even little toothpaste is remained and swallowed mistakenly, so that health potential accidents are avoided.

The present invention is direct to a device and method for diagnosis of enamel cavitation of an interproximal dental surface. And in particular, the invention is directed to a device and method for diagnosing enamel cavitation of an interproximal tooth surface that is not visible or probe-able by instrumentation in human permanent and deciduous teeth. More specifically, the device has a substrate of generally rectangular shape and of a sufficient thickness such that it may be inserted into the interproximal space of teeth. On the substrate is disposed an impressionable material for contacting the interproximal surface and forming an impression thereof. The impressionable material has visco-elastic properties such that an impression of enamel cavitation on the interproximal surface remains on the impressionable material following removal of the substrate from the interproximal surface.

A teething device for exercising gums and deciduous teeth. Two hollow receptacles sealingly mate to form a body of the teething device. A plurality of hollow knobs extend outwardly from the receptacles. The hollow interior of each knob is in a fluid communication with the interior space of the teething device. The teething device may be filled with a cold liquid to cool the exterior surfaces of the knobs. The liquid may be periodically discarded, and the hollow interior of the teething device may be refilled with a liquid of a predetermined temperature.

The invention relates to a natural fluorine-free edible transparent child nutrition toothpaste, belonging to the daily necessities technical field. The natural fluorine-free edible transparent child nutrition toothpaste of the invention is made by adhesive, foaming agent, moisturizer, sweetener, abradant, perfume, deionized water, preservative, hydrolyzed pearl solution, milk calcium, zinc gluconate, vitamin E acetate and vitamin D2 according to the conventional method. The vitamin E acetate, xylitol, hydrolyzed pearl solution, milk calcium, zinc gluoconate and vitamin D2 in the invention actcombinedly, oral odour and bacteria can be effectively cleared away, periodontitis and gingivitis can be prevented and treated, caries preventing effect is obvious, and tooth calcification capabilitycan be improved. Nutrition health care function on deciduous teeth of children of two to five can be realized.

The invention provides a long-term in-vitro culture and neural directional differentiation method of deciduous tooth pulp stem cells, which can obtain high-activity primary deciduous tooth pulp stem cells more simply, conveniently and efficiently, and can shorten an induction period and improve the conversion rate in a neural directional differentiation process.

Intraoral orthodontic pacifier / nipple appliances (100) having integrated orthodontic functionality. The appliance (100) has an integrated orthodontic mechanism. The bulb (103) expands or moves upward and expands outward as a child sucks on it, to counteract inward pressure of the cheeks and the lateral portion of the lips caused by suction or sucking action. The invention also provides products including the orthodontic appliance (100), as well as methods of using the appliance (100) and products including the appliance (100) in the inhibition and treatment of certain malocclusions in the primary dentition of young children.

The present invention relates to orthodontic brackets designed for use with the deciduous teeth and method for its use. The brackets provide one or more debonding tabs which reduces the potential for damage to the deciduous tooth due to the application of excessive force during the debonding process. The small size of the brackets allow the brackets to fit available crown space on the deciduous teeth. Further the brackets are shaped to minimize mechanical forces applied to the deciduous teeth when engaged with an archwire. The bracket bases are shaped to conform to the morphology of the deciduous tooth crown surface thereby providing an optimal adhesive interface with the deciduous tooth. The deciduous brackets provide proper adhesion to avoid unwanted detachment of the brackets which often occurs when the use of permanent brackets is attempted on the deciduous teeth.

The invention discloses a preservation liquid for an isolated deciduous tooth and a preparation method thereof. The preservation liquid comprises, by weight, 0.5 to 1.2 parts of glucose, 0.01 to 0.05part of reduced glutathione, 0.1 to 0.5 part of amino acids, 1 to 5 parts of human albumin, 0 to 1 part of Ve, 0.1 to 0.3 part of trehalose, 10 to 20 parts of a temperature-sensitive hydrogel, 0.3 to1.5 parts of an antibacterial drug and 70 to 90 parts of a phosphate buffer solution. The preparation method comprises a step of mixing all the components according to the above formula under an aseptic condition so as to prepare the preservation liquid for the isolated deciduous tooth. The preservation liquid prepared by using the method of the invention can provide nutrients for the pulp tissueof the isolated deciduous tooth, effectively reduce mechanical damage during the transportation of dental pulp, and effectively prolong the preservation time of the isolated deciduous tooth.

This invention discloses a stem cell modified animal model useful as a research tool for investigating aging-related degeneration processes and treatments. The animal model is preferably a rodent subcutaneously transplanted with a mesenchymal stem cell capable of generating a functional bone or marrow element. Also provided are a method for extending the lifespan and improving the quality of life of a subject by subcutaneously transplanting a plurality of mesenchymal stem cells to the subject, wherein the mesenchymal stem cells are capable of generating a functional bone or marrow element. Compositions and source of stem cells suitable for use with the methods of this invention, including stem cells from human exfoliated deciduous teeth (SHED), are also disclosed. Further disclosed is a method for identifying progenitor bone marrow mesenchymal stem cells, and a method for treating SLE-like autoimmune diseases by infusion of mesenchymal stem cells.

The invention discloses a method for realizing separation and in-vitro proliferation of stem cells from exfoliated deciduous teeth. The method comprises the steps of tooth selection, deciduous tooth cutting, separation of the stem cells from the deciduous teeth, culture and proliferation of the stem cells from the deciduous teeth, and the like. The method has the beneficial effects that the purified stem cells from the human exfoliated deciduous teeth through the method can differentiate towards the specific cell types including osteoblasts, lipoblasts, neurocytes and the like under certain conditions, and thus wide space is provided for researching dental pulp stem cells.

The invention discloses an injection type deciduous tooth root canal paste which is applicable to the treatment of primary teeth pulp diseases and periapical diseases of children, the paste can not be solidified during the long-term storage in a closed container and can be directly filled in a root canal. The components of the formula of the injection type deciduous tooth root canal paste are that: powder contains the following components according to weight percentages: 80 to 94 percent of zinc oxide powder; 4.6 to 19.6 percent of iodoform powder; 0.2 to 0.6 percent of dexamethasone powder and 0.2 to 0.5 of percent metronidazole power; liquid contains 40 to 60ml of propylene glycol in each 100g of the powder. The deciduous tooth root canal paste is mixed into the even paste by stirring according to a conventional method and is contained in a disinfected disposable plastic syringe for standby.

Users in a medical mechanism can perform 360-degree rotation, zooming, whole observation and local observation operation for a primary tooth model through a three-dimensional digital primary tooth model processing module, and can load continuous physical parameters to clearly observe the important dynamic change process of eruption of the primary permanent teeth, primary permanent teeth root absorption, primary permanent teeth replacement and jaw development to search the development of the dental system and regulation and control thereof from a dynamic change rule to achieve the purposes of research and learning of mechanism and running conditions of each part of child deciduous teeth, understand the lesion data of each data of the child deciduous teeth through a pathological file storagemodule, input the pathological manifestations through a pathological data search analysis module and search and analyze pseudo disease cases.

The present invention relates to an orthodontic bracket specifically designed for use with the deciduous teeth and method for its use. The bracket is unique in providing a debonding tab which reduces the potential for damage to the tooth due to the application of excessive force during the debonding process. The small size of the bracket allows it to fit available crown space on the deciduous teeth. Further the bracket is modified in shape to minimize mechanical forces applied to the deciduous teeth when engaged with an archwire. The bracket base is shaped to conform to the morphology of the deciduous tooth crown surface thereby providing an optimal adhesive interface with the deciduous tooth. The deciduous bracket provides adequate adhesion to avoid unwanted detachment of the bracket which often occurs when the use of permanent brackets is attempted on the deciduous teeth.

Disclosed is a deciduous tooth spaced shedding space recovering and retaining device. The deciduous tooth spaced shedding space recovering and retaining device is characterized by mainly comprising a retention ring, a slideway and a main arch wire, the slideway is fixedly connected with the outer side face of the retention ring, a penetration hole matched with the outer contour of the main arch wire is formed in the slideway, a retention hook is arranged on the sidewall of the front end of the slideway, and the main arch wire is formed by a moving rod, a first U-shaped bend, a longitudinal connection rod, a second U-shaped cheek bend, a front stop rod, a second U-shaped tongue bend and a back stop rod sequentially, wherein bend bottoms of the first U-shaped bend, the second U-shaped cheek bend and the second U-shaped tongue bend are vertical downwards and are perpendicular to the longitudinal connection rod, the front stop rod and the back stop rod, and the moving rod at the back end of the first U-shaped bend penetrates through the penetration hole of the slideway and can slide back and forth in the penetration hole. A transverse rod is detachably connected to the longitudinal connection rod, and the transverse rod, the front stop rod and the back stop rod are parallel to one another and are in transverse arrangement. The deciduous tooth spaced shedding space recovering and retaining device is reasonable in design, simple in structure and convenient to use and has high popularization value in edentulous space retention and recovery.

The invention discloses a wheel-shaped infant molar biscuit and a processing method thereof, pertaining to the technical field of infant food. The molar biscuit is made by raw material composed of 50-55% of organic rice, 25-30% of whole meal flour, 8-12% of corn powder, 4-8% of sugar, 3-5% of fruit powder, 15-18% of palm oil. The wheel-shaped infant molar biscuit and the processing method thereof have the following beneficial effects: taking organic rice, whole meal flour and corn powder as main raw material, extruding-expansion technology is utilized for preparation; the method is simple and easy to operate; the molar biscuit prepared keeps the original nutrient components of organic, wheat and corns; special aromas and fruits are obtained; the nutrition value is high; the molar biscuit tastes good; the water content is low; the hardness is proper; compared with a molar rod, the molar biscuit with a wheel shape is suitable for an infant; and the psychological requirement for the infant who likes to grab and bite objects during the process of tooth eruption is met and waste is reduced.

The invention discloses jewelry made of disinfected, pulverized and chemically bonded primary teeth. The teeth are pulverized into two or more parts, located in a mold, and bonded with a bonding agent to form a tooth matrix that is shaped for connection to a jewelry frame. In another embodiment, a hollow interior of a deciduous tooth is filled with a bonding agent. The tooth is positioned in a mold with other tooth particles and bonded to form the tooth matrix. In another embodiment, the hollow interior and / or occlusal of a deciduous tooth is filled with a bonding agent to form a tooth matrix for mounting on a jewelry frame. A display side of the tooth is positioned adjacent to a display surface in a mold. A bonding agent fills the space between the tooth and the mold to form a solid tooth matrix. The solidified tooth matrix is machinable.

The invention discloses a production method of deciduous tooth jewelry. The production method comprises the following steps that cleaning treatment is performed on the surface of a deciduous tooth, the treated deciduous tooth is fixed on a jewelry support, an inlaying groove is arranged on the bottom surface of the jewelry support, the upper part of the deciduous tooth is adapted to the inlaying groove and can be fixedly inlaid into the inlaying groove, an inserting needle which extends downward is fixedly arranged at the middle part of the inner top surface of the inlaying groove, the bottomend of the inserting needle extends out of the inlaying groove, the top end of the deciduous tooth is polished to be smooth, a jack, with the height being 2 / 5-3 / 5 of the height of the deciduous tooth,is punched in the center of the top end of the deciduous tooth toward the bottom of the deciduous tooth, and when the deciduous tooth is combined with the jewelry support, the inserting needle is dipped with glue and then is inserted into the jack. According to the production method, optimization treatment is simply and effectively performed on the deciduous tooth, the deciduous tooth is producedinto an exquisite ornament through a mode of jewelry inlaying, permanent collection is realized, and the production method has an important commemorative significance.

The invention discloses a deciduous tooth interval loss space restoring and maintaining method which is characterized by being realized by designing a deciduous tooth interval loss space restoring and maintaining device. The device mainly comprises a retention ring, a chute and a main arch wire, wherein the chute is fixedly connected with the outer side surface of the retention ring; a perforation matched with the outline of the main arch wire is formed in the chute; a retention hook is arranged on a side wall at the front end of the chute; the main arch wire is sequentially composed of a movable rod, a first U-shaped bend, a longitudinal connecting rod, a second U-shaped cheek bend, a front stop lever, a second U-shaped tongue bend and a rear stop lever; the first U-shaped bend, the second U-shaped cheek bend and the second U-shaped tongue bend have vertically downward bend bottoms and are perpendicular to the longitudinal connecting rod, the front stop lever and the rear stop lever; the movable rod at the rear end of the first U-shaped bend penetrates through the perforation in the chute and can slide back and forth in the perforation; a transverse rod is detachably connected to the longitudinal connecting rod; and the transverse rod, the front stop lever and the rear stop lever are parallel to one another and are all transversely arranged. The device is reasonable in design, simple in structure and convenient to use, and the method has high popularization values on child tooth loss space maintenance and restoration.

The invention provides a tooth brush for infants, and relates to daily living equipment, in particular to products for infants. The tooth brush for the infants comprises a finger sleeve and tooth brush bristles, and the finger sleeve and the tooth brush bristles are integrally formed. The tooth brush for the infants has the advantages that parents can put a finger into the finger sleeve in a sleeved mode and help the infants to clean coating on the tongue and deciduous teeth, and the inconvenience brought by traditional gauze cleaning and the defect that bacteria are prone to being hidden are overcome. Selected nano-silver materials have the function of resisting and killing bacteria. When the tooth brush for the infants is used, a massage effect is achieved, and the growth of the teeth of the infants can be facilitated by frequent using of the tooth brush.

The invention discloses a deciduous toothbrush for infants, comprising a deciduous toothbrush body, characterized in that: the deciduous toothbrush body includes a sleeve finger and a massage head arranged on the sleeve finger; material; the top of the massage head is provided with a tongue cleaning plate; the surrounding of the tongue cleaning plate is provided with a soft brush ball; the internal bottom of the sleeve finger is provided with a vibrating part; There is a spring-type switch; one end of the spring-type switch is electrically connected with a vibrating block. The present invention is simple in structure, easy to operate, fixed on the finger, easy to operate, soft in texture, safe and hygienic, and can massage the gums of infants. Promotes the health of teeth.

The invention relates to a child dental brace. An inner side pressing plate is vertically connected with a short rod, one end of the short rod is connected with an inserting rod, an outer side pressing plate is perpendicularly connected with a long rod, one end of the long rod is provided with an insertion hole in the axis direction, a compression spring is connected with the inner pressing plate and the outer pressing plate, and the inserting rod is inserted into the inserting hole. The child dental brace is low in cost and high in efficiency, the problem that deciduous teeth of a child do not fall off on time is solved so that the child can be prevented from suffering from the pain of the tooth extraction, and the purpose of correcting the teeth can be well achieved.

The invention discloses a dental pulp stem cell preparation method. The dental pulp stem cell preparation method includes the following steps of: transporting dental pulp, wherein a deciduous tooth isplaced in a sampling bottle, the sampling bottle and a medical ice bag are placed back into a transportation box to be transported back to a laboratory; separating dental pulp stem cells, wherein tweezers are adopted to clamp the crown of the tooth, then, a syringe is used for sucking up normal saline to blow a dental pulp cavity inwards from a fracture surface of the root of the tooth to wash and loosen the dental pulp, and using a broach for taking out the dental pulp; and proliferating and culturing the dental pulp stem cells, wherein a complete culture medium is adopted, a dental pulp precipitate is resuspended and transferred to a 12-well microplate, one broach is used for fixing the dental pulp, barbs on another broach are used for stripping the dental pulp to make the dental pulp become fine pieces, the cells in the dental pulp are released, and then culture is conducted. According to the dental pulp stem cell preparation method, the broach is adopted to strip the agglomerate dental pulp to release the stem cells in the dental pulp, damage caused by using collagenase and the like on the dental pulp stem cells is avoided, damage on the dental pulp stem cells during digestioncan be eliminated, therefore, the extraction success rate of the dental pulp stem cells reaches 100%, and application is simple and convenient.

The invention discloses a deciduous dentition anterior tooth zone missing space maintainer which comprises an imitating body and fixing parts, wherein the fixing parts are fixed at both ends of the imitating body; the shapes of the imitating body and the fixing parts are identical to those of teeth; the length of the imitating body is identical to that of a deciduous dentition anterior tooth zonemissing space. Due to adoption of the imitating body and the fixing parts, the length of the imitating body is identical to that of the deciduous dentition anterior tooth zone missing space, and in addition, the fixing parts can be arranged on teeth on both sides of a deciduous dentition anterior tooth zone in a sleeving manner, so that fixation of the imitating body can be facilitated; due to adoption of the imitating body, gaps among lost teeth can be maintained, meanwhile, the shape of the imitating part is identical to that of a tooth, the gaps can be maintained, teeth on both sides can beprevented from displacement towards the gaps, and the attractiveness of tooth rows in a mouth can be maintained; therefore, teeth can grow out normally, widths at near, far and medium parts can be maintained, development of a jaw is not affected, and the maintainer is free of irritation to soft tissue, not liable to break and simple in structure.

The invention relates to a prefabricated functional gap retainer, comprising a prefabricated crown, one side of the prefabricated crown is fixedly provided with an auxiliary crown, and the connection between the prefabricated crown and the auxiliary crown is provided with a connection between the prefabricated crown and the auxiliary crown. Auxiliary crowns communicate with through-hole columns. The auxiliary crown is provided with an adjustment rod, one end of the adjustment rod is fixed on the end face of the auxiliary crown and the preformed crown, and the other end of the adjustment rod is fixed on the end face of the auxiliary crown away from the preformed crown. The present invention is based on the original preformed crown, adding an accessory crown body that can restore the shape and height at the missing place, and adjusting the mesio-distal distance of the accessory crown by adjusting the rod to maintain the integrity of the dentition. The present invention can not only restore the missing part The horizontal distance of the teeth can also restore the vertical height of the missing teeth, restore the occlusal and chewing function of the missing teeth, and better promote the eruption of the inherited permanent teeth. It is especially suitable for children with premature loss of deciduous teeth and large adjacent teeth. It can well protect the space of missing teeth in children. The invention has simple structure, convenient use, and is suitable for wide popularization and use.