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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7338285 | Disposable prophy angle with encompassing integral toroidal paste pouch for attaching to a dental handpiece A dental cleaning attachment for a dental handpiece which comprises a disposable prophy angle having a neck and a right angle head, wherein the neck is removably attached to the dental handpiece. A polishing cup is rotatably connected to the head of the prophy angle... | 03/04/2008 |
| 7014462 | Method and instrument for introducing a dental synthetic resin into a tooth cavity A method and a device for introducing a dental filling material with a synthetic resin base into a tooth cavity. The filling material has a viscosity which is lowered under the action of vibrations, such as when subjected to ultrasound. The device subjects the filli... | 03/21/2006 |
| 6991459 | Impactor and paste feeder An impactor for safely, efficiently, and effectively placing mercury-free dental restorations in a cavity of a patient's tooth, the impactor having a housing, anvil, hammer, solenoid or other transducer, end cap, source of restoration paste, and paste feeder tube fo... | 01/31/2006 |
| 6257886 | Disposable dental prophylaxis angle A disposable dental prophylaxis angle including an elongated housing which defines a longitudinal axis and has a central bore and a head portion in fluid communication with the central bore. A prophylaxis cup is rotatably supported by the head portion and... | 07/10/2001 |
| 5871353 | Prophy angles with dentifrice dispensing systems The invention provides for the incorporation of dentifrice preparations, which are commonly accessed from a container on a tray during teeth cleaning, internally within the housing of a disposable prophy angle. Auger, baffle or piston members are used to ... | 02/16/1999 |
| 4355976 | Amalgam carrier with unitary spring lever member Present day amalgam carriers include a separate spring member for urging the dispensing lever to its original position after serving to dispense the amalgam or restorative material into a prepared cavity, for example. Fracturing of the spring member occur... | 10/26/1982 |
| 4306863 | Amalgam dispenser with lockable plugger A dental implement for dispensing and compacting amalgam includes separate dispensing and compacting assemblies at opposite ends of a handle. The assemblies each have an amalgam carrier cooperating with a plugger portion which extends from an end of the h... | 12/22/1981 |
| 4306864 | Combination amalgam dispenser and plugger A dental implement for dispensing amalgam includes a handle on which are mounted at least one amalgam dispenser and a plugger corresponding to each amalgam dispenser for condensing the amalgam dispensed by the dispenser.... | 12/22/1981 |
| 4138816 | Combined amalgam carrier and dental handpiece A dental handpiece comprising a power source, plugger means, and a disposable cartridge assembly removably engagable with the power source, said plugger means being carried by the power source and selectively movable with respect to the cartridge for pass... | 02/13/1979 |
| 4106199 | Amalgamator A dental tool for measuring, triturating and dispensing amalgam having a hand piece holding a reciprocable chamber into which the amalgam ingredients are metered and then shaken is provided with an opening through which the triturated amalgam can be dispe... | 08/15/1978 |
| 4092778 | Dental appliance for introducing a filler material into a tooth cavity The appliance has a support which carries a discharge nipple having an elongated interior channel formed with an inlet and an outlet. A pair of tubular guides form a first and a second passage, respectively. The first passage has an open end and the secon... | 06/06/1978 |
| 3965578 | Combined amalgam carrier and dental handpiece A dental handpiece comprising a power source, plugger means, and a disposable cartridge assembly removably engagable with the power source, said plugger means being carried by the power source and selectively movable with respect to the cartridge for pass... | 06/29/1976 |
