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PubMed2001

Syndromes with salivary dysfunction predispose to tooth wear: Case reports of congenital dysfunction of major salivary glands, Prader-Willi, congenital rubella, and Sjögren's syndromes.

Four cases-of congenital dysfunction of the major salivary glands as well as of Prader-Willi, congenital rubella, and Sjögren's syndromes-were identified in a series of 500 patients referred for excessive tooth wear. Although there was evidence of consumption of highly acidic drinks, some occlusal parafunction, and unacceptable toothbrushing habits, salivary dysfunction was the salient factor predisposing a patient to tooth wear in these syndromal cases. The 500 subjects have been characterized either as having medical conditions and medications that predispose them to xerostomia or lifestyles in which workplace- and sports-related dehydration lead to reduced salivary flow. Normal salivation, by buffering capacity, clearance by swallowing, pellicle formation, and capacity for remineralization of demineralized enamel, protects the teeth from extrinsic and intrinsic acids that initiate dental erosion. Thus, the syndromes, unrelated in many respects, underline the importance of normal salivation in the protection of teeth against tooth wear by erosion, attrition, and abrasion.

Adult↗
PubMedDate not supplied

Dental caries in chronically disabled elders.

Dental caries is the major cause of tooth loss in elderly individuals with physical and mental disabilities. The diagnosis of caries in elderly individuals is difficult due to a complicated oral environment compounded by the prevalence of physical and mental barriers to care. The restoration of tooth structure and the replacement of teeth lost due to caries result in considerable economic and biological cost to both individuals and society. Decisions to remineralize, restore, or extract teeth depend largely upon the extent of the structural damage caused by the infection. Teeth with small lesions can be remineralized with fluorides, whereas teeth with large lesions may be restored or extracted. Caries risk assessment based on the history of previous infection, salivary parameters, and ingestion of sugar can be used as a basis for placing a patient on a caries-preventive regimen. This paper discusses the pathophysiology of caries to explain the appropriate diagnosis, prevention, and treatment of dental caries in elderly individuals with chronic disabilities.

Aged↗