Jul 28 2015
Date: July 30, 2015 (Thursday) Time: 12:45 p.m. to 1:45 p.m.
Venue: The Lounge, 7/F, The Prince Philip Dental Hospital
Presenter: Dr. Duangthip Duangporn, PhD Candidate (12:45 p.m. to 1:15 p.m.)
Title: A randomized clinical trial on arresting dentin caries in preschool children by topical fluorides
Abstract: This study was conducted on 371 preschool children with dental caries in primary teeth. At baseline, they were randomly allocated into: Group 1 – annual application of 30% silver diammine fluoride (SDF) solution; Group 2 – three applications of 30% SDF solution at weekly interval; and Group 3 – three applications of 5% sodium fluoride (NaF) varnish at weekly interval. Follow-up examinations every 6 months were conducted to assess whether the treated caries lesions had become arrested. After 24 months, 316 children (85%) remained. For cavitated carious lesions (ICDAS code 5/6), application of SDF solution, either 3 weekly applications at baseline or annual application, arrested active dentin caries faster than 3 weekly applications of NaF varnish at baseline. However, for established carious lesions (ICDAS code 3/4), the three fluoride application protocols were equally efficient in controlling established carious lesions.
Presenter: Ms. Suen Rita Po Chu, MPhil Candidate (1:15 p.m. to 1:45 p.m.)
Title: Dental situation of institutional residents with intellectual disability in Hong Kong
Abstract: Objectives: The aim of this study is to investigate the oral health of intellectually disabled adults living in institutions in Hong Kong. We will also find out their oral health-related behaviours, and difficulties they encounter when accessing dental services.
Methods: The subjects of this study are the intellectually disabled adults who are currently living in government-subvented institutions in Hong Kong. About 750 subjects will be selected from 16 institutions through systematic sampling from the 96 institutions operated by non-governmental organisations, that contributes at least 400 subjects as the final sample size (C.I. = 95%). After obtaining informed consent, care-givers will complete a questionnaire about the dental care behaviours and problems of their cared subjects on their behalf. Additionally, dental information will also be extracted from the patient record of the outreach dental service.
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