...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 |
| 8113836 | Dental material and methods of use A dental filling material comprising a polybutylene polymer having a molecular weight of about 10,000 to about 100,000 and being viscoelastic at about 20° C. The composition may include other polymeric resins, fillers, plasticizers and other additives typically use... | 02/14/2012 |
| 7648362 | Dental restoration and a method for producing a dental restoration A dental restoration is provided which includes a base structure and a pre-fabricated over structure which at least partially covers the base structure. An interconnecting material interconnects hardened bite elements of the over structure with the base structure. I... | 01/19/2010 |
| 7160941 | Dental composite materials and method of manufacture thereof A dental composite material that comprises a polyhedral oligomeric silsesquioxane is disclosed. The dental composite material is useful for a variety of dental materials, treatments, and restorative functions including crown and bridge materials, fillings, adhesives... | 01/09/2007 |
| 7101989 | DsrA protein and polynucleotides encoding the same DsrA is an outer membrane protein of H. ducreyi that confers serum resistance to the bacteria. Isolated polynucleotides encoding the protein, end expression vectors and host cells encoding the same, are described. Also described is a mutant H. ducreyi ... | 09/05/2006 |
| 6899915 | Methods and compositions for culturing a biological tooth Tooth tissues include the pulp mesenchyme that forms the dentin and an epithelium that is responsible for enamel formation. Cells from these tissues were obtained from porcine third molars and were seeded onto a biodegradable scaffold composed of a polyglycolic acid... | 05/31/2005 |
| 6653365 | Dental composite materials and method of manufacture thereof A dental composite material that comprises a polymerizable resin composition; a filler system comprising polyhedral oligomeric silsesquioxane fillers; and a curing system. The dental composite material is useful for a variety of dental materials, treatmen... | 11/25/2003 |
| 6638069 | Shaping cap for dental pin structures Shaping cap made of ceramic, metal or plastic material, which is suitable as a solid constituent of dental pin structures.... | 10/28/2003 |
| 4997373 | Artificial teeth for molars An artificial tooth for molars is of a double structure comprising an occlusal region replaceable by a material which is more durable than a synthetic resin and is selected from the group consisting of a metal, a ceramic, a composite resin and an amalgam,... | 03/05/1991 |
| 4632660 | Prosthetic dentistry Am inprovment in prosthetic dentistry which allows a porcelain veneer facing to be permanently affixed directly to a natural or virgin tooth without significant grinding or reduction of the tooth surface. The improvement consists in a method, and the prod... | 12/30/1986 |
| 4575805 | Method and apparatus for the fabrication of custom-shaped implants The surface characteristics of an organ that needs restoration, for example, a tooth which has been prepared for an inlay insertion, are read by means of a noncontact scan-head. The three-dimensional shape parameters of the implant required to restore the... | 03/11/1986 |
| 4310312 | Anterior tooth prosthesis An anterior tooth prosthesis has a one-piece metal framework with laterally extending wings, a central saddle with a concave surface and a peg integral with the surface, and a plastic pontic having a peg-receiving mortise in which the peg is seated and se... | 01/12/1982 |