RT Journal Article
T1 Prevalence and caries-related risk factors in schoolchildren of 12-and 15-year-old: a cross-sectional study
A1 Obregón Rodríguez, Nerea
A1 Fernández Riveiro, Paula
A1 Piñeiro Lamas, María
A1 Smyth Chamosa, Ernesto
A1 Montes Martínez, Agustín
A1 Suárez Cunqueiro, María Mercedes
K1 Dental caries
K1 Risk factors
K1 Toothbrushing
K1 Oral hygiene
K1 Schoolchildren
K1 Adolescents
K1 Dental plaque index
AB Background: To assess the prevalence and severity of caries in 12- and 15-year-old schoolchildren, and to analysethe related risk factors.Methods: We conducted a cross-sectional study on a random sample of 1843 schoolchildren aged 12 and 15 fromGalicia (northwest of Spain). Self-administered questionnaire and dental clinical examination were performed toobtain information about oral health habits, dental caries and oral hygiene. A logistic regression model includingdental-caries-related variables was generated for each age group.Results: The respective findings for 12- and 15-years-old were as follows: decayed, missing, filled teeth index bothfor permanent and temporary dentition (DMFT/dmft) of 0.89 (95% CI, 0.87–0.91) and 1.38 (95% CI, 1.33–1.43),respectively; caries prevalence 39.6% (95% CI, 36.3–42.9) and 51.7% (95% CI, 48.0–55.4), respectively. In the 12-yearoldgroup, individuals who occasionally, never or hardly ever brushed their teeth had higher values of caries(OR = 1.83, 95% CI 1.07–3.15, and OR = 9.14, 95% CI1.63–51.17, respectively). Also, the presence of plaque on morethan 1/3 gingival was statistically associated with an increase of caries (OR = 2.03; 95% CI, 1.11–3.70), and living in arural environment was a risk factor (OR = 1.3; 95% CI,1.02–1.80). In the 15-year-old group, higher caries risk wasfound when brushing was performed once a day (OR = 1.61; 95% CI,1.03–2.50), and among individuals who visitedprivate clinics (OR = 1.77; 95% CI, 1.17–2.66), while electric toothbrush was associated with a lower caries risk(OR = 0.50; 95% CI, 0.29–0.86).Conclusions: This study revealed that risk factors of dental caries showed differences in schoolchildren of 12-and 15-year-old. Strongest evidence related to caries in 12-year-old group were found in frequency of toothbrushingand dental plaque. In 15-year old group, electric toothbrush, time since the last visit to the dentist and type of dentalcare (public/private) had a stronger association with dental caries. Caries prevalence and mean DMFT/dmft increasedfrom 12- to 15-year-old, in spite of improvement in oral hygiene at the age of 15
PB BMC
YR 2019
FD 2019
LK http://hdl.handle.net/10347/21180
UL http://hdl.handle.net/10347/21180
LA eng
NO Obregón-Rodríguez, N., Fernández-Riveiro, P., Piñeiro-Lamas, M. et al. Prevalence and caries-related risk factors in schoolchildren of 12- and 15-year-old: a cross-sectional study. BMC Oral Health 19, 120 (2019). https://doi.org/10.1186/s12903-019-0806-5
NO This study was authorised and funded by the Galician Regional HealthAdministration (Consellería de Sanidade, Dirección Xeral de Innovación eXestión da Saúde Publica, Xunta de Galicia), as coordinated by the PreventiveMedicine and Public Health Department of Santiago de CompostelaUniversity
DS Minerva
RD 24 abr 2026