“…There is limited information regarding the outcomes of treatment for ICR lesions due to the scarcity of clinical outcome studies. A majority of studies are case reports and case series [ 8 , 20 , 21 , 52 , 53 , 55 , 62 , 63 , 64 , 65 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 ], and it may be difficult to predict the prognosis of treated teeth based on those studies because only successful cases tend to be reported. Furthermore, due to the disease rarity, clinical studies may seem difficult to perform.…”