A pharmaceutical dosage unit for oral administration to a human female comprising a therapeutically effective amount of 17\u03b2-estradiol-3-lower alkanoate, most preferably 17\u03b2-estradiol-3-acetate, and a pharmaceutically acceptable carrier is disclosed. In one embodiment, a process kit includes a notched deposition ring. Certain embodiments provide assurance, with a know probability of error, that the entity representation identified in the universal database is correct. The variable pulse generator includes a control input and a pulse output, with the pulse output connected to the output driver control input. As will hereinafter be illustrated, the oral compositions of the present invention are in the form of gels that exhibit better whitening effect, do not cause dental hypersensitivity and can be used both in the dental office and in-home brushing or splint applications.