Baseline characteristics of the participants
| Variable | OHRQoL surveys | 6-month follow-up examination | 12-month follow-up examination | ||||||
| Followed up (n=151) | Lost (n=8) | P value | Followed up (n=117) | Lost (n=42) | P value | Followed up (n=101) | Lost (n=58) | P value | |
| Demographic information | |||||||||
| Sex (N (%)) | |||||||||
| Male | 75 (49.7) | 6 (75.0) | 0.28* | 58 (49.6) | 23 (54.8) | 0.56† | 56 (55.4) | 25 (43.1) | 0.13† |
| Female | 76 (50.3) | 2 (25.0) | 59 (50.4) | 19 (45.2) | 45 (44.6) | 33 (56.9) | |||
| Age at treatment (years, mean (SD)) | 3.2 (0.6) | 3.2 (0.6) | 3.1 (0.6) | 3.1 (0.6) | 3.2 (0.6) | 3.2 (0.6) | |||
| Age group (year, N (%)) | |||||||||
| 2 | 16 (10.6) | 2 (25.0) | 0.25* | 16 (13.7) | 3 (7.1) | 0.15† | 11 (10.9) | 7 (12.1) | 0.97† |
| 3 | 88 (58.3) | 3 (37.5) | 69 (59.0) | 21 (50.0) | 58 (57.4) | 33 (56.9) | |||
| 4–5 | 47 (31.1) | 3 (37.5) | 32 (27.4) | 18 (42.9) | 32 (31.7) | 18 (31.0) | |||
| Relationship to the child (N (%)) | |||||||||
| Mother | 94 (62.3) | 6 (75.0) | 0.79* | 78 (66.7) | 22 (52.4) | 0.17* | 63 (62.4) | 38 (65.5) | 0.91* |
| Father | 51 (33.8) | 2 (25.0) | 34 (29.1) | 19 (45.2) | 34 (33.7) | 18 (31.0) | |||
| Grandmother/grandfather | 6 (4.0) | 0 (0.0) | 5 (4.3) | 1 (2.4) | 4 (4.0) | 2 (3.4) | |||
| Family monthly income (N (%)) | |||||||||
| ≤¥10 000 | 85 (56.3) | 5 (62.5) | 1.00* | 66 (56.4) | 24 (57.1) | 0.94† | 63 (62.4) | 27 (46.6) | 0.06† |
| >¥10 000 | 66 (43.7) | 3 (37.5) | 51 (43.6) | 18 (42.9) | 38 (37.6) | 31 (53.4) | |||
| Area of residence (N (%)) | |||||||||
| City/town | 111 (73.5) | 6 (75.0) | 1.00* | 89 (76.1) | 28 (66.7) | 0.24† | 69 (68.3) | 48 (82.8) | 0.06† |
| Village | 40 (26.5) | 2 (25.0) | 28 (23.9) | 14 (33.3) | 32 (31.7) | 10 (17.2) | |||
| Baseline caries experience | |||||||||
| dmft score (mean (SD)) | 9.6 (4.3) | 12.5 (8.1) | 0.34‡ | 9.8 (4.6) | 10.8 (5.2) | 0.30‡ | 10.6 (4.7) | 9.1 (4.8) | 0.06‡ |
| dmfs score (mean (SD)) | 35.6 (17.4) | 45.6 (30.3) | 0.34‡ | 35.3 (18.5) | 38.1 (17.4) | 0.42‡ | 38.0 (18.0) | 32.7 (18.3) | 0.07‡ |
| Dental treatment information | |||||||||
| Dentists | |||||||||
| I | 31 (20.5) | 3 (37.5) | 0.77* | 26 (22.2) | 8 (19.0) | 0.57† | 23 (22.8) | 11 (19.0) | 0.61† |
| II | 26 (17.2) | 2 (25.0) | 18 (15.4) | 10 (23.8) | 16 (15.8) | 12 (20.7) | |||
| III | 31 (20.5) | 1 (12.5) | 26 (22.2) | 6 (14.3) | 18 (17.8) | 14 (24.1) | |||
| IV | 34 (22.5) | 1 (12.5) | 24 (20.5) | 11 (26.2) | 22 (21.8) | 13 (22.4) | |||
| V | 29 (19.2) | 1 (12.5) | 23 (19.7) | 7 (16.7) | 22 (21.8) | 8 (13.8) | |||
| Restorative procedures | |||||||||
| No of children receiving restorative procedures (N (%)) | 149 (98.7) | 8 (100.0) | 1.00* | 115 (98.3) | 42 (100.0) | 1.00* | 100 (99.0) | 57 (98.3) | 1.00* |
| Mean no of teeth subjected to restorative procedures (mean (SD)) | 9.0 (4.4) | 11.4 (7.6) | 0.41‡ | 8.7 (4.5) | 10.3 (4.9) | 0.10‡ | 9.6 (4.5) | 8.3 (4.8) | 0.06‡ |
| Pulp therapy | |||||||||
| No of children receiving pulp therapy (N (%)) | 149 (98.7) | 8 (100.0) | 1.00* | 115 (98.3) | 42 (100.0) | 1.00* | 100 (99.0) | 57 (98.3) | 1.00* |
| Mean no of teeth with pulp therapy (mean (SD)) | 7.7 (3.9) | 10.8 (7.2) | 0.28‡ | 7.4 (3.9) | 8.9 (4.8) | 0.11‡ | 8.2 (3.8) | 7.2 (4.7) | 0.06‡ |
| Extractions | |||||||||
| No of children receiving extractions (N (%)) | 47 (31.1) | 3 (37.5) | 0.71* | 40 (34.2) | 10 (23.8) | 0.21† | 33 (32.7) | 17 (29.3) | 0.66† |
| Mean no of teeth with extractions (mean (SD)) | 0.6 (1.2) | 1.1 (1.8) | 0.51‡ | 0.8 (1.4) | 0.4 (0.8) | 0.22‡ | 0.7 (1.4) | 0.6 (1.0) | 0.64‡ |
| Space maintainers | |||||||||
| No of children receiving a space maintainer (N (%)) | 13 (8.6) | 0 (0.0) | 1.00* | 12 (10.3) | 1 (2.4) | 0.19* | 10 (9.9) | 3 (5.2) | 0.38* |
| Mean no of space maintainers (mean (SD)) | 0.1 (0.3) | 0.0 (0.0) | 0.39‡ | 0.1 (0.3) | 0.1 (0.2) | 0.11‡ | 0.1 (0.3) | 0.1 (0.2) | 0.29‡ |
| Dental sealants | |||||||||
| No of children receiving dental sealants (N (%)) | 8 (5.3) | 0 (0.0) | 1.00* | 7 (6.0) | 1 (2.4) | 0.68* | 7 (6.9) | 1 (1.7) | 0.26* |
| Mean no of teeth with dental sealants (mean (SD)) | 0.2 (0.9) | 0.0 (0.0) | 0.51‡ | 0.2 (1.0) | 0.1 (0.6) | 0.36‡ | 0.3 (1.0) | 0.1 (0.5) | 0.15‡ |
| Full-mouth fluoride | |||||||||
| No of children receiving full-mouth fluoride (N (%)) | 46 (30.5) | 0 (0.0) | 0.11* | 38 (32.5) | 8 (19.0) | 0.10† | 34 (33.7) | 12 (20.7) | 0.08† |
*Fisher’s exact test.
†X2 test.
‡Wilcoxon rank test.
dmfs, decayed, missing and filled surface; dmft, decayed, missing and filled teeth; OHRQoL, oral health-related quality of life.