...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7762813 | Disposable prophylaxis angle A dental prophylaxis angle includes a body, a drive gear and a driven gear. The body has a sleeve with an open rear end, a neck, a head, a first axial bore, and a second axial bore. The first axial bore is located in the neck, and the second axial bore is located in... | 07/27/2010 |
| 7381056 | Substrate of polishing compound for teeth and method A malleable strip of polishing compound is conformable to overlie the occlusal, buccal and lingual surfaces of the maxillary or the mandibular teeth in an oral cavity. After mounting of the strip, a conventional prophy cup attached to a conventional dental hand piec... | 06/03/2008 |
| 7261561 | Vibrational driver for endodontic activators A contra-angled driver receives an endodontic activator to induce vibrations and/or oscillations in the activator at sonic frequencies. The driver includes a quick connect/disconnect to allow for quick and simple mounting and dismounting of the activator. ... | 08/28/2007 |
| 7163532 | Surgical instrument with near-axial geometry A surgical instrument with near-axial geometry includes a linearly elongated handle portion having a handle axis defined along its length. The handle portion is joined to a linearly elongated working portion by an offset portion. The working portion includes a worki... | 01/16/2007 |
| 6962582 | Surgical instrument with near-axial geometry A surgical instrument with near-axial geometry includes a linearly elongated handle portion having a handle axis defined along its length. The handle portion is joined to a linearly elongated working portion by an offset portion. The working portion includes a worki... | 11/08/2005 |
| 6926526 | Endodontic adapter for a sonic scaler The invention is an improved endodontic adapter for a sonic scaler consisting of a talon having a threaded end for insertion into the handle of the sonic scaler. A pair of downwardly pointed barbs protrudes radially from the side of the adapter for receiving an elas... | 08/09/2005 |
| 6253404 | Electrically operated tooth-cleaning device An electrically operated tooth-cleaning device being provided with a handle part having an electric drive motor. A hanle part can be connected with an attachment provided with a cleansing tool, with the cleaning tool being capable of being caused to rotat... | 07/03/2001 |
| 5653591 | Dental tooth cleaning instrument with a mechanically driven tooth cleaning tool In a tooth cleaning instrument (1) with an elongate handpiece, which carries a tooth cleaning tool (3) on its forward end, which can be set into vibration by a motor driven vibration generator (7) which is associated with the tooth cleaning instrument (1)... | 08/05/1997 |
| 4880382 | Integrated oral hygiene system An integral oral hygiene system which includes an electric toothbrush wherein the brush can be replaced by an interproximal gum stimulator, an interproximal brush or a floss holder, all of which are driven by the toothbrush motor.... | 11/14/1989 |
| 4634376 | Tartar-removing handpiece A tartar-removing or scaling handpiece, which is constituted of an elongated gripping sleeve, having arranged at one end thereof a tartar-removing or scaling implement which includes a bent operating end, wherein the gripping sleeve incorporates a light s... | 01/06/1987 |
| 4608019 | Tool for exodontia A dental tool is provided for extracting a tooth which is secured to an alveolar bone through a pericementum. The tool includes an elongate, flat and thin blade operatively connected to an acoustic transducer which produces ultrasonic vibrational energy. ... | 08/26/1986 |
| 4544355 | Arrangement for imposing pressure on maintenance media in medical particularly dental handpieces An arrangement for imposing pressure on cleaning media and/or lubricants which are contained as maintenance media in the movable components of medical, particularly dental handpieces, wherein the maintenance medium is adapted to be placed under pressure b... | 10/01/1985 |
| 4229168 | Contra-angle ultrasonic endodontic instrument A contra-angle ultrasonic endodontic instrument is described which includes, basically, a head mechanically coupled to the ultrasonically driven shaft of an endodontic instrument. The head includes means, such as one or more holes, to receive a shaft of a... | 10/21/1980 |
| 4169984 | Ultrasonic probe An ultrasonic, surgical and dental probe comprises a piezoelectric crystal transducer assembly positioned in compression between a pair of body members in a housing. Each body member along with the transducer assembly is mounted on a hollow connecting rod... | 10/02/1979 |
| 4089115 | Spring grip chuck assembly for dental handpieces A dental handpiece having a rotor housing with a chamber, a rotor within the chamber, and an improved spring grip chuck. The chamber has upper and lower openings coaxial therewith, the rotor has a bore aligned with the openings, and the chuck is received ... | 05/16/1978 |
| 4035918 | Dental instrument A dental instrument for pressing down fillings of amalgam or a different tooth filling material, comprising a head with a through-bore, impact means for axial reciprocal movement in the bore, a handle, the main direction of which includes an angle with th... | 07/19/1977 |
| 4008521 | Dental tools A dental tool includes an articulated tubular body member having proximal and distal sections angularly adjustable about an elbow housing. An axial drive shaft is located in the proximal section and a slide member is reciprocable in the distal section and... | 02/22/1977 |
| 3969823 | Dental handpiece for a motor driven reamer A cylindrical member of the present dental handpiece is provided with a cup bearing held into an opening adjacent its upper end and also with an annular bearing disposed into said opening adjacent its lower end. A metallic member having a substantially in... | 07/20/1976 |
| 3934349 | Dental handpiece or elbows for mounting dental treatment tools A dental handpiece or elbow having a guide sleeve for mounting a dental treatment tool, in which the inner annular surface of the guide sleeve is coated with a wear-resistant coating so as to enhance the strength thereof against hammering and radial force... | 01/27/1976 |