Endodontic treatment associated with photodynamic therapy: Case report.

Background Data: The complete elimination of bacteria inside the root canal is a difficult task, and inconsistent removal of the innermost layer of contaminated dentin leaves bacteria behind. PDT is an adjunct to conventional endodontic treatment due to its potential to reduce bacteria and its biocompatibility.

Objective: Report a case of endodontic treatment associated with Photodynamic Therapy (PDT).

[The potential financial impact of oral health problems in the families of preschool children].

The aim of the study was to evaluate the perception of parents/caregivers regarding the financial impact of oral health problems on the families of preschool children. A preschool-based, cross-sectional study was conducted with 834 preschool children in Campina Grande, Brazil. Parents/caregivers answered the Early Childhood Oral Health Impact Scale.

Work absenteeism by parents because of oral conditions in preschool children.

Objective: The aim of the present study was to evaluate the influence of oral conditions in preschool children and associated factors on work absenteeism experienced by parents or guardians.

Methods: A preschool-based, cross-sectional study was conducted of 837 children, 3-5 years of age, in Campina Grande, Brazil. Parents or guardians answered the Brazilian version of the Early Childhood Oral Health Impact Scale.