Oral pharmaceutical preparations used for the buccal delivery of drugs, namely, disintregratable mouth soluble tablets in the nature of antacids, antispasmodics and anti-ulcerants, anti-diarrheals, colorectal agents, cardiac drugs, CNS stimulants, analgesics, antipyretics and anti-inflammatory agents, muscle relaxants, hormonal, enzymal and steroidal preparations, drugs affecting bone metabolism, drugs affecting the genito-urinary system, diuretics and anti-diuretics, anti-infectives, anti-virals and immunological agents, electrolytes, vitamins and anabolic agents, bronchodilators, anti-asthmatics, expectorants, anti-tussives, decongestants, mucolytics and respiratory stimulants, oropharyngeal, aural and ocular preparations, anti-allergic drugs, hyposensitizing preparations, local and general anesthetics, oral and transdermal contraceptives, medical diagnostic reagents, anti-sense, oglionucleatides, mucosal vaccines, gene-based medicines, permeability and enhancing agents, and for the treatment of disorders of the central nervous system, dermatological disorders, antineoplastic pharmaceutical preparations for inhibiting or preventing the growth and spread of neoplasms or malignant cells