Dental health of children with cerebral palsy following sialodochoplasty

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Abstract
Drooling occurs commonly in children with cerebral palsy (CP). Surgical procedures, known as slalodochoplasties, are often performed for the control of drooling. These include major salivary gland excision, parasympathetic nerve section, duct ligation, and duct re-routing. Alterations in saliva amount, flow, and consistency occur following sialodochoplasty, and the resultant effect on dental homeostasis requires further investigation. This controlled study investigated 19 children with CP following sialodochoplasty (surgery group) and 75 children with CP treated nonsurgically (control group) who attended our hospital. Dental caries experience-including dmft, DMFT, and partial DMFS scores of mandibular incisors and canines only-plaque index, and enamel developmental defects index were recorded. Saliva buffering capacity and bacterial counts were assessed. The surgical group (median DMFT = 5.00) had significantly more dental caries when compared with the control group (median DMFT = 0.00), Wilcoxon Signed-rank Test, P < 0.0001. This study has shown that children with CP following sialodochoplasty have increased risk of dental caries when compared with those treated nonsurgically for drooling. Although no caries predictors were identified, alterations to the caries-protective role of saliva are considered the likely cause. Children who undergo this procedure should receive intensive pre- and postsurgical preventive dental therapy.

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