Factors related to the dental caries incidence in youth: a cohort study in Brazilian Northeastern

Teixeira, Ana Karine Macedo; Roncalli, Angelo Giuseppe; Noro, Luiz Roberto Augusto

doi:10.1590/1413-812320152112.12582015

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Free Themes • Ciênc. saúde colet. 21 (12) • Dec 2016 • https://doi.org/10.1590/1413-812320152112.12582015 copy

Factors related to the dental caries incidence in youth: a cohort study in Brazilian Northeastern

Fatores relacionados com a incidência de cárie em jovens: um estudo de coorte no nordeste brasileiro

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The conceptual model of the life course considers that health-disease is a dynamic process that is also affected by previous and current lifelong experiences. The aim of the study was to investigate the incidence of caries and its determinants in young people in Sobral-Ceará, Brazil. This was a cohort study of oral health started in 2000, with waves in 2006 and 2012. 482 young people aged 17-21 years were examined and interviewed. The incidence of caries between 2006 and 2012 was the outcome analyzed and the independent variables were socioeconomic conditions and use of oral health actions and services. The average incidence of caries was 2.95 teeth from the adolescence to the youth. It was found that social deprivation throughout life and deny access to the dentist during infancy implies a greater incidence of caries in youth, therefore, the use of services and oral health actions during the adolescence and youth have not been sufficient to reduce inequities in oral health.

Key words
Dental caries; Risk factors; Health inequalities

Variable			N	Mean (SD)	RR (CI)	p ^* * t test.
Variables of childhood (2000)
	Bathroom at home
		Yes	404	2.76
		No	77	3.95	1.43 (1.19-1.72)	< 0.0001
	Access denied to the dentist
		No	450	2.89
		Yes	31	3.90	1.35 (1.07-1.70)	0.01
	Malnutrition
		Não	343	2.84
		Sim	128	3.28	1.15 (0.98-1.36)	0.08
Variables of adolescence (2006)
	Household crowding
		Until 1	249	2.63 (2.28)
		+ 1	233	3.29 (2.76)	1.25 (1.07-1.45)	0.004
	Visited the dentist last year
		Yes	227	3.30 (2.48)
		No	205	2.64 (2.45)	0.81 (0.69-0.94)	0.006
	Reason for last dental visit
		Routine	199	2,61 (2,48)
		Pain/treatment	234	3,29 (2,46)	1.26 (1.07-1.49)	0.004
	Collective actions in oral health
		Yes	260	3.45 (2.73)
		No	217	2.36 (2.17)	0.69 (0.59-0.80)	< 0.001
	Received toothbrush at school
		Yes	174	3.20 (2.47)
		No	304	2.83 (2.57)	0.88 (0.76-1.03)	0.12
Variables of youth (2012)
	Type of school
		Private	47	2.32
		Public	210	3.19	1.38 (1.02-1.86)	0.03
	Visited the dentist last year
		Yes	224	3.23 (2.59)
		No	222	2.73 (2.42)	0.85 (0.72-0.98)	0.03
	Reason for last dental visit
		Routine	212	2.46 (2.19)
		Pain/treatment	230	3.44 (2.65)	1.09 (1.00-1.18)	0.04
	Access denied to the dentist
		Não	363	2.80 (2.52)
		Sim	119	3.42 (2.54)	1.22 (1.04-1.43)	0.01

Variable		RR (CI)	p	RR adjusted (CI)	P adjusted
Model 1: Variables of childhood (2000)
	Without bathroom at home	1.43 (1.19-1.72)	< 0.0001	1.40 (1.16-1.70)	0.001
	Access denied to the dentist	1.35 (1.07-1.70)	0.01	1.36 (1.08-1.72)	0.01
Model 2: Variables of adolescence (2006)
	Household crowding over 1	1.25 (1.07-1.45)	0.004	1.17 (1.01-1.36)	0.03
	Last visited to the dentist more than 1 year	0.81 (0.69-0.94)	0.006	0.78 (0.70-0.90)	0.001
	Don't participate in collective actions in oral health
Model 3: Variables of youth (2012)		0.69 (0.59-0.80)	< 0.001	0.67 (0.55-0.81)	< 0.001
	Public school	1.38 (1.02-1.86)	0.03	1.55 (1.06-2.26)	0.02
	Visited dentist for pain/treatment	1.09 (1.00-1.18)	0.04	1.52 (1.18-1.94)	0.001

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[1] Collaborations

AKM Teixeira participated in all stages of manuscript, AG Roncalli and LRA Noro attended the study design, analysis and interpretation data and critical review.