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.
Aleksandra Nitecka-BuchtaKarolina Walczyńska-DragonJolanta Batko-KapusteckaMieszko WięckiewiczPublished in: Pain research & management (2018)
The study confirmed that intramuscular injection of collagen is a more efficient method for reducing myofascial pain within masseter muscles than intramuscular injection of lidocaine.