1
Dan E Fischer: Dental bleaching compositions and methods for bleaching teeth surfaces. Ultradent Products, Workman Nydegger Jensen, December 27, 1994: US05376006 (101 worldwide citation)

The present invention discloses high viscosity sustained release dental compositions, such as tooth bleaching or fluoride compositions, for treating tooth surfaces. For maximum results, an improved dental tray having reservoirs for holding the dental composition adjacent the desired tooth surfaces i ...


2
Dan E Fischer: Syringe apparatus with detachable mixing and delivery tip. Ultradent Products, Workman Nydegger Jensen, February 15, 1994: US05286257 (92 worldwide citation)

A syringe device having a barrel enclosing a first chamber therein containing coaxially aligned primary and secondary plungers. A connectable mixing and delivery tip encloses a second chamber therein and is connected to the barrel by a coupling. A slidable valve having an aperture therethrough to al ...


3
Steven D Jensen, Dan E Fischer: Dental bleaching compositions with high concentrations of hydrogen peroxide. Ultradent Products, Workman Nydegger Seeley, January 12, 1999: US05858332 (92 worldwide citation)

Dental bleaching compositions that include a high concentration of bleaching agent and a bleaching agent stabilizer that maintains the potency of the bleaching agent over time. The dental bleaching compositions of the present invention may be one-part, pre-mixed compositions that do not require mixi ...


4
Dan E Fischer: Double syringe delivery system. Ultradent Products, Workman Nydegger Jensen, March 1, 1994: US05290259 (89 worldwide citation)

A double syringe delivery system is disclosed for holding a pair of syringes in a manner so as to accommodate the simultaneous activation of the plunger of each syringe in order to effect simultaneous delivery of the contents of each syringe. The double syringe delivery system includes an elongated ...


5
Dan E Fischer: Dental bleaching compositions and methods for bleaching teeth surfaces. Ultradent Products, Workman Nydegger Jensen, April 25, 1995: US05409631 (83 worldwide citation)

The present invention discloses high viscosity sustained release dental compositions, such as tooth bleaching or fluoride compositions, for treating tooth surfaces. For maximum results, an improved dental tray having reservoirs for holding the dental composition adjacent the desired tooth surfaces i ...


6
Dan E Fischer: Adjustable brush delivery tip with secondary flow path. Ultradent Products, Workman Nydegger Jensen, December 14, 1993: US05269684 (81 worldwide citation)

An apparatus for applying coatings to various surface types. The apparatus includes a dispenser for holding a quantity of the coating material and a delivery tip having adjustable bristles at one end. The bristles are slidably secured in a spiral passageway formed by a helical ridge inside the deliv ...


7
Dan E Fischer: System and method for controlling a light actuator to achieve partial polymerization. Ultradent Products, Workman Nudegger & Seeley, August 15, 2000: US06103203 (78 worldwide citation)

A system and method for achieving partial polymerization of a photoreactive resin include: (i) light source means for providing light energy to the photoreactive resin, the light source means having an intensity; (ii) timing means for causing the light source means to provide light energy to the pho ...


8
Steven D Jensen, Dan E Fischer: Stable light or heat activated dental bleaching compositions. Ultradent Products, Workman Nydegger & Seeley, July 28, 1998: US05785527 (76 worldwide citation)

Dental bleaching compositions are made with a bleaching agent and a stable radiant-energy absorbing compound that acts as a bleaching agent activator. The dental bleaching compositions of the present invention can be one-part, pre-mixed compositions that do not require mixing at the time of treating ...


9
Dan E Fischer: Method for bleaching teeth. Ultradent Products, Workman Nydegger & Jensen, March 24, 1992: US05098303 (72 worldwide citation)

The present invention discloses high viscosity sustained release dental compositions, such as tooth bleaching or fluoride compositions, for treating tooth surfaces. For maximum results, an improved dental tray having reservoirs for holding the dental composition adjacent the desired tooth surfaces i ...


10
Dan E Fischer: Hemostatic compositions for treating soft tissue. Workman Nydegger & Seeley, July 28, 1998: US05785955 (70 worldwide citation)

A hemostatic composition for controlling oral bleeding or providing gingival tissue fluid control, which includes a hemostatic agent, a chemical agent for reducing the acidic activity of the hemostatic agent, and an aqueous base. The hemostatic compositions are useful in treating wounds in soft tiss ...