The oral mucosa together with the epithelium of the tongue and teeth is closely related genetically, anatomically and sympathetically to the cutaneous covering of the human body. The mouth also constitutes the beginning of the alimentary canal; hence the primitive physician learned by experience the value of routine inspection of the lingual and oral mucosa, and from such examinations he attempted to diagnose many ailments of the internal organs. Physicians today have become fairly alert to localized infections and systemic disorders which may first appear or be reflected in the oral mucosa. Early dental teaching placed much emphasis on mechanical skill in dental reconstructions, but not until recent years have physicians and dentists fully appreciated the etiologic importance of allergic, physical or physicochemical factors in lesions of the mouth. This is my reason for presenting an investigation of the subject.
It is remarkable how well the structures of the mouth
LAIN ES. LESIONS OF THE ORAL CAVITY CAUSED BY PHYSICAL AND BY PHYSICOCHEMICAL FACTORS. Arch Derm Syphilol. 1940;41(2):295–307. doi:10.1001/archderm.1940.01490080104006
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