Table 4.
Patients with PHP (%) n = 28 |
Reference materiala (%) (Male-Female) |
||
---|---|---|---|
Midline diastema | 5 (18) | – | |
Diastema upper | 7 (25) | 8.7–4.6 | |
Diastema lower | 4 (14) | 5.5–2.7 | |
Crowding lower anterior | 10 (36) | 31.0–30.7 | |
Crowding upper anterior | 3 (10) | 19.4–25.5 | |
Deep bite | 2 (7) | 22.7–14.5 | |
Crossbite | 9.4–14.1 | ||
Unilateral crossbite | 1 (3) | – | |
Bilateral crossbite | 2 (7) | – | |
Molar occlusion | Rightb | Left | – |
Class I | 20 (71) | 21 (75) | – |
Class II | 5 (18) | 4 (14) | 25.2–25.8 |
Class III | 2 (7) | 3 (11) | 4.1–4.5 |
Number of patients (n) followed by percentages within group (%)
aPrevalence of the trait in a population of 1240 (565 males and 675 females, respectively) [17]
bMissing assessment in one patient due to the absence of multiple teeth in the right side