Huang X, et al. - Here, the authors examined the expression of long noncoding RNA (lncRNA) in pulpitis, the inflammation of dental pulp tissue, and identified lncRNAs that possibly participated in inflammation responses and odontogenesis. In inflamed human pulp tissue, lncRNAs were differentially expressed compared with normal pulp tissue. Therefore, it was suggested that lncRNAs could play key roles in pulpitis pathogenesis and development.