Clinical Study

Comparison between Collagen and Lidocaine Intramuscular Injections in Terms of Their Efficiency in Decreasing Myofascial Pain within Masseter Muscles: A Randomized, Single-Blind Controlled Trial

Table 5

Changes in VAS mean values in Group I, Group II, and Group III after 14 days.

VisitGroup IGroup IIGroup III

Baseline88.38.13
1st follow-up visit4.67.46.8
2nd follow-up visit3.766.5
VAS changes−4.3−2−1.63
Percentage VAS changes−53.75%−25%−20.1%