Table 2.

VAS scale to evaluate swelling: reference values given to patients [12, 15]

Score
0	No swelling	The patient does not detect the slightest swelling
1	Slight swelling	The patient detects a slight swelling but it is not very noticeable
2	Mild swelling	The swelling is noticeable but does not interfere with normal mastication and swallowing
3	Severe swelling	The swelling is evident and hinders normal mastication
4	Very severe swelling	The swelling is marked. Mastication is hindered but there is no reduction in mouth opening (no trismus)
5	Extremely severe swelling	The swelling is very evident and mouth opening is reduced (trismus)