# Serial extraction is contraindicated in:

 # Serial extraction is contraindicated in:

A. Open bite

B. Deep bite

C. Class II and III malocclusion with skeletal abnormalities

D. All of the above

The correct answer is D. All of the above.

Contraindications to Serial Extraction are:

1. Mild to moderate crowding—tooth size arch length deficiency < 5 mm per quadrant.

2. Class II division 2 and Class III malocclusions.

3. Spaced dentition.

4. Congenital absence—anodontia/oligodontia.

5. Extensive caries involving permanent first molars, which cannot be conserved.

6. Open bite and deep bite, which should be corrected first.

Reference: Textbook of Orthodontics, 2nd Edition, Gurkeerat Singh, Page No: 569

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