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-diarrhoeals, 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