Direct restorations and enhanced caries prevention among 20- to 60-year-olds attending Helsinki City Public Dental Service – a register-based observation

Figures & data

Figure 1. Mean DMFT in 20- to 60-year-old patients in Helsinki City PDS in 2012 (n = 39,820) and in 2017 (n = 43,392). Correlation between DMFT and age (r = 0.986) and year (r= −0.121).

Table 1. Description (numbers and proportions) of restoration and enhanced prevention patients by 5-year age groups attending Helsinki City PDS in 2012 and 2017.

Age group	Restoration patients n and % of all patients				Enhanced prevention patients n and % of restoration patients
	2012		2017		2012		2017
	n	%	n	%	n	%	n	%
20–24	3532	38.3	3495	34.5	416	11.8	283	8.1
25–29	4838	42.5	5761	38.1	439	9.1	354	6.1
30–34	5419	46.6	6182	41.2	467	8.6	323	5.2
35–39	4790	49.7	5809	45.6	386	8.1	265	4.6
40–44	4761	54.0	4894	48.7	331	7.0	242	4.9
45–49	6293	58.9	4733	50.5	413	6.6	200	4.2
50–54	5112	59.9	6217	55.5	355	6.9	229	3.7
55–60	5075	60.6	6301	57.8	334	6.6	254	4.0
Total	39,820	50.9^a	43,392	45.9^a	3141	7.9^a	2150	5.0^a
r^b	0.560	0.984	0.496	0.997	−0.710	−0.892	−0.708	−0.885

^aWeighted estimates.

^br = correlation coefficient by age.

Table 2. Numbers of restorations, mean number of restorations per patient (Pts) and mean number of restorations per restoration patient (RePts) according to 5-year age groups at Helsinki City PDS in 2012 and 2017.

Age group	Restorations 2012			Restorations 2017
	n	per Pts	per RePts	n	per Pts	per RePts
20–24	8088	0.9	2.3	7580	0.7	2.2
25–29	10,491	0.9	2.2	12,264	0.8	2.1
30–34	11,453	1.0	2.1	12,100	0.8	2.0
35–39	9974	1.0	2.1	11,247	0.9	1.9
40–44	9815	1.1	2.1	9346	0.9	1.9
45–49	13,324	1.2	2.1	9025	1.0	1.9
50–54	11,653	1.4	2.3	11,995	1.1	1.9
55–60	12,047	1.4	2.4	12,881	1.2	2.0
Total	86,845	1.1^a	2.2^a	86,438	0.9^a	2.0^a
r^b	0.706	0.984	0.289	0.377	0.971	−0.578

^aWeighted estimates.

^br = correlation coefficient by age.

Figure 2. Distributions (%) of restorations performed on 20- to 60-year-old patients at Helsinki City PDS in 2012 (n = 86,845) (a) and in 2017 (n = 86,438) (b). Restorations classified by size (no. of surfaces filled). Minor repairs are combined with the one-surface category.

Table 3. Enhanced prevention measures provided for restoration patients (RePts) and pulp cappings made per 100 restored teeth (ReT) of Helsinki City PDS patients by 5-year age groups in 2012 and 2017.

Age group	Enhanced prevention measures				Pulp cappings
	2012	2012	2017	2017	2012	2012	2017	2017
	n	/100 RePts	N	/100 RePts	n	/100 ReT	n	/100 ReT
20–24	569	16.1	335	9.6	426	5.3	356	4.7
25–29	648	13.4	402	7.0	488	4.7	488	4.0
30–34	602	11.1	372	6.0	485	4.2	381	3.1
35–39	504	10.5	315	5.4	420	4.2	317	2.8
40–44	528	11.1	276	5.6	371	3.8	239	2.6
45–49	605	9.6	245	5.2	399	3.0	216	2.4
50–54	538	10.5	271	4.4	275	2.4	216	1.8
55–60	438	8.6	301	4.8	236	2.0	170	1.3
Total	4432	11.1^a	2517	5.8^a	3100	3.6^a	2383	2.8^a
r^b	−0.630	−0.876	−0.721	−0.865	−0.864	−0.984	−0.882	−0.980

^aWeighted estimates.

^br = correlation coefficient by age.

Data availability statement

The data that support the findings of this study are available from The City of Helsinki Department of Social Services and Healthcare. Restrictions apply to the availability of these data, which were used under licence for this study. Such dataset may be requested from The City of Helsinki Department of Social Services and Healthcare.