“…Twenty-four studies focused on patients receiving general dental treatment [ 76 , 90 , 95 , 98 , 100 , 108 , 109 , 110 , 111 , 112 , 113 , 114 , 115 , 117 , 119 , 120 , 123 , 124 , 126 , 129 , 130 , 132 , 133 , 134 ], ten on patients under orthodontic treatment [ 96 , 102 , 104 , 105 , 116 , 118 , 125 , 128 , 136 , 137 ], six on pediatric patients [ 97 , 99 , 101 , 103 , 107 , 122 ], two on patients with temporomandibular disorders [ 106 , 135 ], one on patients under endodontic treatment [ 121 ], one on prosthodontic patients [ 131 ], and one on patients undergoing oral surgery [ 127 ].…”