• C S Ho, S P Lin, E Y Shen, and N C Chiu.
• Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan ROC.
• J Formos Med Assoc. 1995 Jul 1; 94 (7): 414-7.

AbstractDental enamel pitting was studied as a diagnostic sign of pediatric tuberous sclerosis (TSC). Thirteen patients aged 2.5 to 18 years with varying degrees of TSC were evaluated. They were checked for the presence of enamel pitting by the use of two to three drops of dental plaque disclosing stain which was applied to the labial surfaces of dry teeth. This technique provides a remarkable color contrast allowing for the detection of many small and subtle enamel pits. A control group of 39 unrelated patients without TSC were also examined. A total of 77% of TSC patients (10/13) revealed enamel pitting, compared with 13% of controls. The distribution of enamel pitting among TSC patients and normal controls of each sex was statistically significant. The total number of enamel pits in each patient varied from 1 to 26 and increased with age; 90% of the teeth with enamel pitting displayed one to two pits per tooth. The youngest patient with enamel pitting was 5 years old. The simplicity of this test and the high probability of pitting in TSC make the examination useful in the assessment of patients in whom the diagnosis of this serious genetic disease is being considered.

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