Anti-inflammatory and tissue repair effect of cinnamaldehyde and nano cinnamaldehyde on gingival fibroblasts and macrophages oleh Mostafa Ghardashpour, Majid Saeedi, Reza Negarandeh, Seyed Ehsan Enderami, Anahita Ghorbani, Anahita Lotfizadeh, Ali Jafari, Alireza Arezoumandi, Hadi Hassannia, Tahereh Molania