“…The majority of imaging modalities mentioned in the retrieved studies were PET (20/37) [ 28 , 30 , 34 – 40 , 44 – 47 , 49 , 50 , 52 , 55 , 56 , 59 , 61 ], CT (16/37) [ 29 , 31 – 33 , 41 , 43 , 48 , 51 , 53 , 54 , 57 , 58 , 60 , 62 – 64 ], and one cone beam CT (CBCT) [ 42 ]. Although the search criteria included MRI, we did not locate any eligible study in our search.…”