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- Title
Motivational interviewing for caries prevention in adolescents: a randomized controlled trial.
- Authors
Wu, Lingli; Lo, Edward C. M.; McGrath, Colman; Wong, May C. M.; Ho, Samuel M. Y.; Gao, Xiaoli
- Abstract
Objective: The objective of this study is to investigate the effectiveness of motivational interviewing (MI) in changing health behaviors (snack and toothbrushing) and preventing dental caries among adolescents. Methods: Five hundred and twelve adolescents with unfavorable caries-related behaviors ("snacking three times or more a day" and/or "toothbrushing less often than twice a day") were randomly assigned to three groups. Group I received prevailing health education (oral health talks and pamphlets). Participants in group II joined a one-on-one face-to-face MI session. In group III, a patient communication tool (Cariogram) was incorporated to facilitate the MI process. At baseline and 24 months post-intervention, a self-administered questionnaire gathered information of participants' sociodemographic characteristics and oral health self-efficacy and behaviors. Their oral hygiene and tooth status were assessed by a blinded examiner. Results: After 24 months, 460 (89.8%) participants were followed up. Compared with group I, (i) restriction of frequent snacking was more likely in group II [OR (95% CI): 3.91 (1.48–10.33)] and group III [OR (95% CI): 6.33 (2.46–16.27)], whereas group III tended to adopt the behavior of toothbrushing twice a day [OR (95% CI): 4.80 (1.79–12.85)]; (ii) no significant between-group difference in plaque score reduction was found (p > 0.05); and (iii) groups II and III developed fewer cavitated teeth (△DICDASII 3-6MFT) [β (95% CI): − 0.19 (− 0.37, − 0.01) and − 0.20 (− 0.38, − 0.02), respectively], whereas increment of total carious lesions (△DICDASII 1-6MFT) was lower in group III [β (95% CI): − 0.63 (− 1.24, − 0.02)]. Conclusion: MI outperformed prevailing health education in improving oral health behaviors and preventing dental caries among adolescents. Clinical relevance: Incorporating MI into dental care for caries-prone adolescents contributes to optimal health outcomes. Trial registration: HKUCTR-1852 (http://www.hkuctr.com/) (Hong Kong, 2013)
- Subjects
HONG Kong (China); MOTIVATIONAL interviewing; RANDOMIZED controlled trials; HEALTH behavior; TEENAGERS; ORAL hygiene
- Publication
Clinical Oral Investigations, 2022, Vol 26, Issue 1, p585
- ISSN
1432-6981
- Publication type
Article
- DOI
10.1007/s00784-021-04037-w