Combined micro-apical surgery and vital pulp therapy in mandibular second molars with external root resorption caused by impacted teeth
Song Dongzhe, Luo Yu, Liu Xian, Hu Pei, Huang Dingming
West China Journal of Stomatology . 2023, (2): 225 -231 .  DOI: 10.7518/hxkq.2023.2022427