...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4400158 | Control release for a tool grip for a dental handpiece A dental handpiece has a hollow main body enclosing a central rotating spindle equipped with tool grip means adjacent its forward end; spring means effects axial movement of the spindle in an inward direction for actuating the tool grip means to provide a... | 08/23/1983 |
| 4386910 | Console for suction tubes of suction units used in dentistry The invention concerns a console specifically designed for the suction tubes of suction units used in dentistry. The console basically comprises a box-like shell which is furnished with a collector, maintained in a state of vacuum and connected to the suction ... | 06/07/1983 |
| 4385891 | Dental apparatus for preventing loss of precious metal particles Particles of precious metal are recovered from a mixture drawn from the mouth of a dental patient. An enclosure is interiorly divided by a perforated baffle into an upper chamber and a lower chamber. The mixture is introduced into the lower chamber by an ... | 05/31/1983 |
| 4385460 | Phonorecord label A phonorecord greeting label, for application to a recording by a consumer, adheres to and overlies the manufacturer's label. The new label has a transparent mounting element and has a message element hingedly mounted thereto. Both faces of the message el... | 05/31/1983 |
| 4382784 | Custom dental shade guide selector and method for its use A dental shade guide selector including a color tooth sample, a handle for manipulating the sample in the mouth and a holder for storing the color tooth samples. The color tooth sample includes a frame having a base plate and a rim bordering the plate. A ... | 05/10/1983 |
| 4382789 | Manual pressure syringe for odontological use An improved manual pressure syringe for odontological use, includes a handgrip provided with a control lever, a barrel for a cartridge, and a bushing arranged on the longitudinal extension of the barrel. It also includes a shaft having a pushbutton at one... | 05/10/1983 |
| 4382788 | Working well A working well is provided for use during root canal therapy and comprises a base with a closed annular side wall and an elongated stem secured to and extending vertically upwardly from the base. A holder for a plurality of dental implements, such as broa... | 05/10/1983 |
| 4382786 | Dental handpieces with supplied operating media A dental treatment installation comprising at least one dental handpiece having an air operated drive motor and an outlet for discharging operating media used for dental purposes, a spray handpiece, a control arrangement for controlling the supply of oper... | 05/10/1983 |
| 4379693 | Orthodontic biassing device Disclosed are various embodiments of orthodontic biassing devices having means for preventing backing-off of the elongated threaded actuating member under reaction forces in the mouth. The backing-off preventing means may comprise angulated or off-set bor... | 04/12/1983 |
| 4379694 | Dental implant A dental implant having a core member formed of a gingiva-compatible metal for mounting a dental superstructure in the shape of a tooth crown; a fastening element for dental bridges or the like, wherein the core member is connected with a tissue-compatibl... | 04/12/1983 |
| 4378211 | Dental impression tray A combined dental impression tray with a syringe is provided, wherein the communication between the syringe and the tray is effected, in the most preferred embodiment, by way of a side opening in the wall of the barrel of the syringe. The opening communic... | 03/29/1983 |
| 4378213 | Use of cyanoacrylate compounds for dental modeling Methods for performing operations on a die or dental model including the filling in or "basing up" of voids, deep areas and undercuts; the indexing and investment soldering of dental crowns from a die model; and aid in the fabrication of porcelain jacket ... | 03/29/1983 |
| 4378210 | Extraoral anchorage device for use in orthopedics An extraoral anchorage device for imparting orthopedic force to teeth is provided which comprises outer bows for transmitting an external force to teeth and inner bows for transmitting the force delivered by the outer bows to buccal tubes respectively fix... | 03/29/1983 |
| 4377380 | Dual plunger dental amalgam dispenser A dental amalgam dispensing instrument has an amalgam dispensing head having a dispensing passage slidably receives a rectangular section dispensing passage with an amalgam feed passage intersecting the dispensing passage. A straight rectangular section f... | 03/22/1983 |
| 4375961 | Sonic bonding means for orthodontics A sonic apparatus for bonding an orthodontic bracket to a tooth, comprising a pincer-type element having arms for holding the bracket and an attached sonic transmission line for applying a sonic frequency to the bracket through the arms of the pincer elem... | 03/08/1983 |
| 4373913 | CFC Expansion arch A continuous force control arch expander for use in orthodontics is provided comprising a set of anchor bands with expansion wires rigidly and tangentially attached to said anchor bands.... | 02/15/1983 |
| 4372103 | Combine drive belt shielding A crop harvesting header drive mechanism is disclosed wherein a toothed drive belt transfers rotational power from a drive sprocket to a driven sprocket, both of which have indentations around the perimeter thereof to correspond to and engage with the dri... | 02/08/1983 |
| 4372069 | Identification device An identification device that permits the user to maintain on his person a variety of individual bits of information. The device includes a body portion having recesses in which pieces carrying individual bits of information may be inserted at the user's ... | 02/08/1983 |
| 4371339 | Denture mold, and method of and arrangement for its manufacture A denture mold for making teeth prostheses has a base element for releasably supporting a positive copy of teeth and made of a mold material, and a plurality of pins arranged to connect the positive copy with the base element, wherein the base element is ... | 02/01/1983 |
| 4371340 | Dowell pin and method of making dental models A dowel pin is mainly made of the hard plastics and is substantially composed of a head to be implanted in the tooth model (primary plaster) and a pin body, a major portion of which is supported in the denture model (secondary plaster), and the pin body i... | 02/01/1983 |
| 4370134 | One piece permanent support frame for upper dentures A frame has a pair of rails extending substantially in parallel relation. These rails are secured together at spaced points by cross webs and posts depend from these cross webs which support tooth-like portions secured together. The rails are arranged to ... | 01/25/1983 |
| 4370131 | Ultrasonic transducer tips In one embodiment an ultrasonic transducer is provided in which the work tip is formed of a piece of tubular material and a substantial portion, or all, of the tip has a constantly diminishing cross-section approaching the end of the tip. The fluid for th... | 01/25/1983 |
| 4369033 | Orthodontic bracket assembly An orthodontic bracket assembly for bonding to the surface of a tooth is disclosed. The assembly includes a pad and an archwire bracket. A plurality of cavities are provided in the tooth abutting surface of the pad. The walls of the cavities are provided ... | 01/18/1983 |
| 4368040 | Dental impression tray for forming a dental prosthesis in situ A dental impression tray for forming a negative impression of a dental area to be restored. Application devices on the tray permit injection of dental restorative material into a mold cavity defined between the negative impression formed in the tray and t... | 01/11/1983 |
| 4368041 | Dental simulator and method for recording jaw movements The simulator includes a maxillary and mandibular facebow, a maxillary and mandibular support and an incisal pin. Receptacles are mounted on the ends of the side arms of the maxillary facebow, and the side arms of the mandibular facebow have styli dispose... | 01/11/1983 |
| 4366776 | Self-locking cattle head gate assembly A self-locking cattle head gate assembly is provided for restraining the head of an animal in a relatively immobilized position while medication or other treatment is administered thereto. A pivotally mounted chute gate is positioned at the end of a stall... | 01/04/1983 |
| 4365393 | Single and multiple section pipe repair clamps A low profile pipe clamp for use in encircling a pipe such as a main or the like, the clamp being either a repair clamp or a service clamp with a side outlet. The pipe clamp comprises a flexible band, usually of sheet metal with a gasket material on the i... | 12/28/1982 |
| 4365752 | Water pulsating unit for oral syringe A pulsating device is disclosed herein for interrupting the flow of water being discharged via a nozzle carried on a dental syringe. The device includes a body coupled between the syringe and the nozzle having a central cavity partially occupied by a flut... | 12/28/1982 |
| 4365956 | Cleaning cup A dental tool and handpiece, wherein the tool has a projecting cylindrical, flexible flange extending into a cylindrical recess in the handpiece and sealable thereinto by centrifugal force. Various forms are illustrated. The operation of the flange is ind... | 12/28/1982 |
| 4365955 | Dental articulator A dental articulator in which maxillary and mandibular frames have at opposite sides interengaged condylar elements to simulate the jaw movements of a dental patient whose maxillary and mandibular dental casts are mounted on the respective frames. The man... | 12/28/1982 |
| 4364730 | Peridontal probe A peridontal probe comprising a handle portion and a pin member rotatably mounted thereon about an axis of rotation, the pin member having a free end portion which is straight and flat, lies wholly to one side of and in the same plane as the axis of rotat... | 12/21/1982 |
| 4364380 | Device for use in interdental arch wiring A device is disclosed for fitting a fracture wire around a tooth as part of an interdental arch wiring technique. In a preferred embodiment of the invention, the wire is U-shaped and the ends of a loop of dental floss are secured to respectively opposite ... | 12/21/1982 |
| 4363627 | Method of fabricating a dental prosthesis A metallic base dental prosthesis having an improved fit resulting from the cavity and rim portions of the prosthesis being finish machined by electric discharge machining (EDM).... | 12/14/1982 |
| 4363626 | Dental syringe A dental syringe employs a single thumb or finger operated control member mounted on the syringe for regulating the flow of air or water or spray. The single control moves axially and vertically with respect to the syringe. Axial movement either forward o... | 12/14/1982 |
| 4363625 | Dental technicians tool and tool retainer Dental technician's tool and retainer combination adapted for the rapid and accurate positioning of a tooth model die repetitively on a model base support, the tool comprising an axially elongated member having an upwardly extended head portion engageable... | 12/14/1982 |
| 4360342 | Method for replacing lost teeth A method and apparatus for replacing missing teeth without a massive restoration is disclosed. The dental bridge of this invention includes a flat bar or mesh support which is mounted on one or more abutment teeth. The support carries one or more pontics.... | 11/23/1982 |
| 4360341 | Orthodontic method for treating malocclusion The invention comprehends the use of a fixture which fits over a tooth on which a bracket is to be affixed, this fixture having an internal cavity which essentially matches the shape and contour of a portion of the tooth, such as the lingual surface and i... | 11/23/1982 |
| 4359316 | Supply unit for the individual supply of dental handpieces A supply unit, consisting of a plurality of adjacent arranged modular-like carriers each of which is associated with a dental handpiece, each of which has associated therewith a supply element for the individual supply of the associated handpiece, wherein... | 11/16/1982 |
| 4358270 | Dental instrument retraction activator One or more dental instruments are connected by flexible supply lines to a dental unit. A retractor is arranged to pull an extended instrument back to the unit upon being triggered. The dental instrument carries a magnet. A magnetic sensor is located near... | 11/09/1982 |
| 4357905 | Moated pet feeder A moated pet feeder of the type which combines a food bowl and a water bowl; the food bowl being surrounded by a moat cavity which fills with water flowing through a substantially horizontal passage connecting the moat cavity with the water bowl to thereb... | 11/09/1982 |