Table 1.

Clinical aspects after 3-years of follow-up, comparing to baseline TFI score

TFI score at baseline		Three-year changes in TFI score
TFI ≥ 1	Teeth	Lower	Equal	Higher
	n	n (%)	n (%)	n (%)
TF 1	416	47 (11.3)	185 (44.5)	184 (44.2)
TF 2	416	150 (36.1)	213 (51.2)	53 (12.7)
TF 3	248	102 (41.2)	116 (46.8)	30 (12)
TF 4	4	4 (100.0)	–	–
TF 5	33	28 (84.8)	3 (9.1)	2 (6.1)
Total	1117	331	517	269

Frequencies (n) and percentages (%)