Table 1 Descriptive data of the measures for each breastfeeding group
From: Association of breastfeeding and three-dimensional dental arch relationships in primary dentition
Variables | Pure breastfed for > 6 months | Pure breastfed for ≤ 6 months | Never breastfed | |
|---|---|---|---|---|
Overjet* | ≤3.5 mm | 169 (88.0%) | 276 (85.2%) | 187 (79.2%) |
>3.5 mm | 23 (12.0%) | 48 (14.8%) | 49 (20.8%) | |
Incisal relationship* | Class I incisor | 126 (65.6%) | 199 (60.9%) | 131 (55.3%) |
Class II incisor | 36 (18.8%) | 83 (25.4%) | 78 (32.9%) | |
Class III incisor | 30 (15.6%) | 45 (13.8%) | 28 (11.8%) | |
Canine Relationship | Class I canine | 57 (35.8%) | 76 (29.7%) | 60 (30.3%) |
Class II canine | 89 (56.0%) | 157 (61.3%) | 123 (62.1%) | |
Class III canine | 13 (8.2%) | 23 (9.0%) | 15 (7.6%) | |
Molar Relationship | Flush | 58 (43.6%) | 97 (44.5%) | 75 (46.3%) |
Mesial step | 53 (39.8%) | 69 (31.7%) | 47 (29.0%) | |
Distal step | 22 (16.5%) | 52 (23.9%) | 40 (24.7%) | |
Anterior Crossbite | Yes | 25 (12.8%) | 51 (15.5%) | 26 (10.9%) |
No | 170 (87.2%) | 279 (84.5%) | 213 (89.1%) | |
Anterior overbite | ≥1/2 | 131 (67.5%) | 232 (70.9%) | 170 (71.4%) |
<1/2 | 63 (32.5%) | 95 (29.1%) | 68 (28.6%) | |
Anterior openbite | Yes | 6 (3.1%) | 9 (2.7%) | 7 (2.9%) |
No | 189 (96.9%) | 320 (97.3%) | 231 (97.1%) | |
Posterior Crossbite | Yes | 5 (2.6%) | 5 (1.5%) | 2 (0.8%) |
No | 190 (97.4%) | 325 (98.5%) | 237 (99.2%) | |
Intercanine width* | 31.50 ± 2.09 mm | 30.94 ± 1.91 mm | 30.93 ± 2.05 mm | |
Intermolar width* | 45.25 ± 2.49 mm | 44.53 ± 2.41 mm | 44.50 ± 2.71 mm | |