Document Classification

Section Type: RESULTS

Text: Mean failure loads (kg) for quartz fiber, glass fiber, glass fiber plus zirconia, and zirconia groups, respectively, with the 3 ferrule lengths were : 1. 0-mm ferrule specimens : 98. 09 + / - 2. 90, 85. 36 + / - 2. 82, 80. 24 + / - 1. 88, 70. 11 + / - 2. 48 ; 1. 5-mm ferrule specimens : 101. 0 + / - 2. 88, 87. 58 + / - 2. 83, 89. 8 + / - 2. 09, 82. 71 + / - 2. 14 ; 2. 0-mm ferrule specimens : 119. 5 + / -1. 78, 99. 84 + / -1. 23, 98. 6 + / - 1. 64, 95. 42 + / - 1. 02.