Ugly Duckling Stage in Orthodontics
10 Questions
1 Views
3.6 Stars

Ugly Duckling Stage in Orthodontics

This quiz covers the concept of Ugly Duckling Stage in orthodontics, where the central incisors and lateral teeth respond to pressure, resulting in a temporary clinical picture. Learn about the role of maxillary canine eruption and its effect on crowding. Test your knowledge of this important stage in orthodontic development!

Created by
@StatuesqueMeter

Questions and Answers

What is the approximate stage of root formation when permanent teeth pierce the gingival margin?

Nearly ¾

Where are the germs of permanent teeth formed in relation to their deciduous predecessors?

On the lingual side

What happens to a permanent incisor if the deciduous one fails to shed?

It erupts in a lingual position

What happens to the rotation of permanent incisors in a potentially crowded mouth?

<p>It persists</p> Signup and view all the answers

Why do permanent incisors rotate before eruption?

<p>To occupy less space</p> Signup and view all the answers

Where do premolars migrate to from their lingual position?

<p>Between the roots of the deciduous molars</p> Signup and view all the answers

What is the direction of movement of the upper first molar during growth?

<p>Downwards and forwards</p> Signup and view all the answers

What occupies the former position of the upper first molar after eruption?

<p>The second molar</p> Signup and view all the answers

At what stage of root formation do permanent teeth pass through the crest of the alveolar process?

<p>When two thirds of the roots are formed</p> Signup and view all the answers

Why does the tooth tend to move to the line of the dental arch during development?

<p>To improve its position</p> Signup and view all the answers

More Quizzes Like This

Orthodontic Force and Resorption
32 questions
Deciduous Teeth Chronology
38 questions
Use Quizgecko on...
Browser
Browser