[Dentin hypersensitivity[8]:36] Gradual [Reversible pulpitis[8]:36] Variable Variable [Pulp necrosis[8]:37] From pain of reversible pulpitis to no pain in days [Apical periodontitis[8]:37–38] Gradual, typically follows weeks of thermal pain in tooth [Periodontal abscess] Sudden, no episode of thermal sensitivity [Pericoronitis] Sudden [Myofascial pain] Very slow; weeks to months [Maxillary sinusitis] Sudden [Parameter] 
Onset
S i t e
O n s e t
C h a r a c t e r
R a d i a t i o n
A s s o c i a t e d s y m p t o m s
T i m e p a t t e r n
E x a c e r b a t i n g a n d r e l i e v i n g f a c t o r s
S e v e r i t y
E f f e c t o n s l e e p