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13 results about "Gaps between teeth" patented technology

A diastema is a space or gap between two teeth. It appears most often between the two upper front teeth. However, gaps can occur between any two teeth. A mismatch between the size of the jaw bones and the size of the teeth can cause either extra space between teeth or crowding of teeth.

A rubber dam cloth with a clamp

ActiveCN224685940UPolymer scienceEngineering
The utility model belongs to the technical field of rubber dam cloth, specifically relates to a rubber dam cloth with clip, including rubber dam cloth body and rubber dam clip, the middle position of rubber dam cloth body is equipped with tooth placing gap for placing tooth, the part of rubber dam cloth body on the peripheral side of tooth placing gap is barrier cloth turn -up portion, two end parts of rubber dam clip are clip clamping parts, two clip clamping parts and barrier cloth turn -up portion fixed connection, the material of rubber dam clip and clip clamping part is plastic, stainless steel, nickel titanium alloy, silica gel, silicon rubber or synthetic resin, the fixed connection of clip contact block has in clip clamping part, and clip contact block and barrier cloth turn -up portion fixed connection. The utility model can reduce the gap between tooth and rubber dam cloth, reduce the phenomenon that medicine passes through gap and flows into the inside of mouth cavity.
Owner:HARBIN MEDICAL UNIVERSITY

Oral cleaning device

The invention relates to oral cavity cleaning equipment which comprises a shell assembly, a liquid conveying mechanism and a cleaning mechanism, the liquid conveying mechanism comprises a liquid pump arranged on the shell assembly and a flow guide pipe connected to the liquid pump, and the cleaning mechanism comprises a grab handle, a driving assembly arranged on the grab handle and a cleaning assembly in linkage with the output end of the driving assembly. The cleaning assembly communicates with the flow guide pipe and is used for stretching into the oral cavity of a user. In the process of using the oral cavity cleaning equipment, a user can stretch the cleaning assembly of the cleaning mechanism into the oral cavity, the oral cavity cleaning equipment is started, and tooth cleaning fluid (such as mixed liquid of water and toothpaste) can be conveyed into the oral cavity of the user from the cleaning assembly through the liquid pump and the flow guide pipe of the liquid conveying mechanism; the driving assembly of the cleaning mechanism drives the cleaning assembly to reciprocate in the oral cavity, so that the tooth surfaces and the gaps between the adjacent teeth can be cleaned, the automation degree of oral cavity cleaning is improved, the operation process of oral cavity cleaning is simplified, and the oral cavity cleaning efficiency is improved.
Owner:SUHUI (NINGBO) INTELLIGENT TECHNOLOGY CO LTD

Periodontal probe

PCT designated stageWO2025212717A1DentistryBiomedical engineeringElectronics
A periodontal probe is provided. The probe includes an elongate rod having a distal tip and a proximal handle portion. The distal tip is sufficiently narrow to be able to be inserted into a space between a patient's gum and tooth. The handle portion includes electronics configured to receive and transmit data obtained from the tip.
Owner:SHAFFER LISA

Tiger-claw toothpick

This utility model provides a tiger whisker-shaped toothpick, relating to the field of toothpick technology, which solves the problem that existing toothpicks have smooth surfaces, making them inconvenient for removing foreign objects from teeth. The toothpick includes a toothpick assembly comprising a shaft, a head, and a silicone threaded strip. The head is fixedly connected to the bottom of the shaft, and both the shaft and the head are provided with silicone threaded strips. The shaft, head, and silicone threaded strip form a shape resembling tiger whiskers. One side of the silicone threaded strip has an irregular serrated shape. With the help of this toothpick assembly, foreign objects in the gaps between teeth are easily removed, reducing damage to the gums and preventing the possibility of disease transmission.
Owner:郑利远

Cleaning machine before carburizing heat treatment of single-row continuous push plate, production line and treatment method

The invention discloses a single-row continuous push disc cleaning machine before carburizing heat treatment, a production line and a treatment method. The single-row continuous push disc cleaning machine comprises a transversely-arranged base plate, and a gear righting part, a gear cleaning part and a gear drying part are sequentially distributed on the base plate; the gear cleaning part comprises a gear conveying assembly, a gear cleaning assembly and a gear rinsing assembly; the gear cleaning assembly comprises a brushing assembly and a flushing assembly and is used for cleaning the surface of a gear in a brushing mode and a flushing mode. A combined cleaning mode of brushing and washing is adopted, wherein a brushing assembly can penetrate into gaps between teeth, tooth roots and the like through physical contact, and stubborn oil stains and attached impurities are directly stripped; the washing assembly further washes the loosened impurities through high-pressure fluid, the synergistic effect of mechanical stripping and fluid removal is formed, and the problem that the cleaning capacity of a single cleaning mode on a complex structure area is insufficient is thoroughly solved.
Owner:WEIFANG FENGDONG HEAT TREATMENT CO LTD

A kind of excavator pick bit head and tooth handle welding equipment

The present application relates to the technical field of anchor excavator, specifically to a kind of anchor excavator pick tooth bit and tooth shank welding equipment, including support assembly, welding assembly, adjusting assembly and auxiliary unit.The present application adopts the welding mode of setting angle inclined support seat cooperation self-rotation, so that the molten filler metal can flow in the groove of tooth shank, improve the coverage of filler metal on the contact surface of tooth bit and tooth shank, and through the contact piece, ensure that the contact surface of tooth bit and tooth shank has sufficient filler metal with set amplitude vibration action, so that the filler metal can be replenished into the gap between tooth bit and tooth shank, reduce the resource waste caused by filler metal overflow, and avoid the problem of partial lack of welding at the connection between tooth bit and tooth shank caused by filler metal overflow, and the connection strength after welding is improved.
Owner:ORDOS SHENCHUAN MINING EQUIP MFG CO LTD

Composite gutta-percha point trimmer

The utility model relates to the technical field of medical instruments, in particular to a composite gutta-percha point trimmer. The composite gutta-percha point trimmer comprises a sliding ruler, one side face of the sliding ruler is connected with a feeler gauge through a hand screw, the other side face of the sliding ruler is connected with a cutting knife, the other side face of the sliding ruler is provided with an upper rail, the upper rail is provided with holes of various sizes, and the holes are used for containing gutta-percha points of different thicknesses. The cutting knife comprises a knife rest and a blade installed on the knife rest, a rectangular groove for containing the upper rail is formed in the knife rest, and the blade is located in the rectangular groove. According to the composite gutta-percha point trimmer, gutta-percha points can be cut through the cutting blade, the feeler gauge can rotate by 360 degrees to measure gaps between teeth, meanwhile, the sliding ruler is further provided with scales of the measuring file and scales of the teeth, and the working efficiency is higher.
Owner:CHANGZHOU UNITED DENTAL MEDICAL INSTR CO LTD

Oral hygiene device

This application discloses an oral cleaning device, which includes a brush head, a handle, and an airflow generator. The brush head has a base at one end, and the base has brush bristles and airflow holes on one side. Inside the brush head is a first airflow passage communicating with the airflow holes. The handle is connected to the brush head, and the handle has a second airflow passage connected to the first airflow passage. The airflow generator is located inside the handle, and the airflow output port of the airflow generator is connected to the second airflow passage. The oral cleaning device of this application emits a wealth of fine bubbles from the airflow holes, and the impact generated by the instantaneous collapse and bursting of the fine bubbles cleans the gaps between teeth, enhancing the teeth cleaning effect and further improving the user experience.
Owner:SHENZHEN LANHE TECHNOLOGIES CO LTD

Universal three-axis swinging toothbrush head

The universal three-shaft swinging toothbrush head comprises a toothbrush rod and bristles, at least two transmission shafts are arranged in the end, close to the bristles, of the toothbrush rod, the bristles are evenly distributed on each transmission shaft, one transmission shaft is provided with a transmission wheel, and the other transmission shaft is provided with a follower wheel. The transmission wheel is meshed with the follower wheel through the gear teeth, and the bristles are driven to swing in multiple directions through transmission of the gear teeth. The number of the transmission shafts is three, the transmission shafts are respectively arranged along the longitudinal direction of the toothbrush rod, and the three-shaft design can realize a more complex swinging track, so that slits between teeth and the surfaces of the teeth are more effectively cleaned. Multi-direction swinging of the bristles is achieved through a three-shaft transmission structure, the three longitudinally-arranged transmission shafts are arranged in the toothbrush rod, the main transmission shaft is meshed with the follower wheel through helical teeth or straight gears, linkage driving is formed, the multi-direction swinging bristles can more thoroughly clean slits between teeth and the surfaces of the teeth, and meanwhile abrasion to the teeth is reduced.
Owner:解敬

toothbrush

To provide a toothbrush capable of more effectively cleaning gaps between teeth and between teeth and gums, reducing problems such as incomplete brushing due to user habits, and contributing to improvement of tooth brushing accuracy. [Solution] The toothbrush set 1 comprises a first toothbrush 2A and a second toothbrush 2B. The first toothbrush 2A has a toothbrush body 5 having a long handle 3 and a bristle section 4 formed at the tip of the handle 3, and a brush section 8A composed of multiple central bristle bundles 6a and multiple side bristle bundles 7a. The second toothbrush 2B has a toothbrush body 5 having a long handle 3 and a bristle section 4 formed at the tip of the handle 3, and a brush section 8B composed of multiple central bristle bundles 6b and multiple side bristle bundles 7b. The tips of the brush section 8A of the first toothbrush 2A and the brush section 8B of the second toothbrush 2B are shaped so that a curved convex portion and a curved concave portion are connected in the longitudinal direction of the handle 3.
Owner:西尾秀俊 +1

A dental care device

The present invention relates to a dental care device comprising a cheek retractor 99 that has a plurality of indication loci 10. The indication loci are adapted to accept removable indicators 1, 2, 3 and may be provided as holes in a front face (21, Fig 1) of the cheek retractor, in two opposed arcs separated by spaces (20, Fig 1) corresponding to the mouth corners in use. The indicators may comprise different shaped front sections and / or may be different colours. The indicators may be used to identify gaps between teeth and provide an indication of the size of interdental brush (300, Fig 8) required for cleaning the corresponding space. A plurality of colour coded interdental brushes may be provided alongside the dental care device.
Owner:WEST TARA

Thread forming tool and method for producing a thread

Thread forming tool for the chipless production of an internal thread, comprising a shank (20) on which at least one first thread forming tooth (Z) is mounted. 100 ,..., Z n ; Z 200 ,..., Z n ) and a second thread forming tooth (Z 100 ,..., Z n ; Z 200 ,..., Z n ) are provided, wherein the second thread forming tooth (Z) 100 ,..., Z n ; Z 200 ,..., Z n ) relative to a tool longitudinal axis (A) axially to the first thread forming tooth (Z) 100 ,..., Z n ; Z 200 ,..., Z n ) is arranged offset, with between the first thread forming tooth (Z) 100 ,..., Z n ; Z 200 ,..., Z n ) and the second thread forming tooth (Z 100 ,..., Z n ; Z 200 ,..., Z n ) in the axial direction a gap between teeth (Z L ) is provided so that the axial distance between the first thread forming tooth (Z) 100 ,..., Z n ; Z200 ,..., Z n ) and second thread forming tooth (Z 100 ,..., Z n ; Z 200 ,..., Z n ) greater than or equal to twice the thread pitch (P) to be produced, wherein at least two thread-generating areas (60, 70) are provided which are offset from each other in the circumferential direction with respect to a tool longitudinal axis (A) and are arranged around the tool longitudinal axis (a) and wherein groove-generating areas (80, 90) are formed axially upstream of the thread-generating areas (60, 70) through which grooves can be generated in the wall of a workpiece, wherein each thread-generating area (60, 70) is arranged in an axial projection parallel to the tool longitudinal axis behind at least one groove-generating area (80, 90) and has a smaller cross-sectional area in the axial projection than the respective associated groove-generating area (80, 90).
Owner:EMUGE WERK RICHARD GLIMPEL GMBH & CO KG FABRIK FUER PRAEZISIONSWERKZEUGE