The document discusses a modified approach to PG canine retraction springs. It mentions sectional and segmental mechanics and the need for modification. It also discusses fundamental biomechanics and is authored by multiple people including Satish, Murali Krishna, Anitha, Mithun, and Johny. The document provides information on the Indian Dental Academy website.

1. A MODIFIED APPROACH
TOWARDS
PG CANINE RETRACTION SPRING
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2. INTRODUCTION
SECTIONAL MECHANICS:
SEGMENTAL MECHANICS:
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3. NEED FOR MODIFICATION:
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4. FUNDAMENTAL BIOMECHANICS:
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6. SATISH
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12. MURALI KRISHNA
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18. ANITHA
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24. MITHUN
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32. JOHNY
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