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What is Trauma from occlusion causes all except: and explain in detail?
Clinical features of TFO 

Mobility (progressive) 
Pain on chewing or percussion 
Fremitus 
Occlusal prematurities/discrepancies 
Wear facets in the presence of other clinical indicators 
Tooth migration 
Chipped or fractured tooth (teeth) 
Thermal sensitivity 

Key notes :
TFO hardly affects the gingival soft tissues.