A root canal might be needed if the cause of the toothache is determined to be an infection of the tooth's nerve. Bacteria that have worked their way into the inner aspects of the tooth cause such an infection. An antibiotic may be prescribed if there is fever or swelling of the jaw.
Definition of correspondence for Students. 1  1 : communication by means of letters or e-mail : the letters or e-mail exchanged. 2  2 : agreement between certain things Sometimes there is little correspondence between the spelling and the pronunciation of a word.
Correspondence Analysis. 1  Correspondence analysis is an MDS technique for. scaling qualitative data in marketing research. 2  The input data are in the form of a contingency. table, indicating a qualitative association. 3  Correspondence analysis scales the rows and. columns in corresponding units, so that each can.