Ugly Duckling stage
Ugly duckling stage, its physiology & correction explained under 6 minutes 25 seconds
- Broadbent described Ugly -Duckling →children tend to look ugly in this developmental stage
- Another name → Broadbent phenomenon.
- It is a transient or self-correcting malocclusion
- Ugly duckling stage is seen in maxillary incisor region
- Time period →8-9 years
- Erupting permanent canines displace the roots of lateral incisors mesially.
- Transmission of force on the roots of central incisors which also get displaced mesially.
- Resultant distal divergence of crowns of two central incisors causes a midline spacing..
- Ugly duckling stage gets corrected on its own (self correcting anomaly
- Rectifies as soon as permanent maxillary canine erupts.

