Effect of Lactic Acid Etching on Bonding Effectiveness of Orthodontic Bracket after Water Storage

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Source of variation</td><td align="center">df*</td><td align="center">MS**</td><td align="center"><svg height="11.175" id="M15" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 9.1125002 11.175" width="9.1125002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><path d="M493 503l-29 -4q-13 56 -28 80q-13 22 -35.5 29.5t-78.5 7.5h-76q-22 0 -27.5 -5t-5.5 -27v-238h103q66 0 82.5 12t25.5 62h29v-193h-29q-9 54 -25.5 67t-82.5 13h-103v-181q0 -64 15 -78.5t84 -19.5v-28h-272v28q61 5 74.5 19.5t13.5 78.5v399q0 64 -13 78t-72 19v28
h440q1 -40 10 -147z" id="x46"></path></g>
</svg> score</td><td align="center"><svg height="11.175" id="M16" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.9375 11.175" width="10.9375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><path d="M619 482q0 -69 -40.5 -119t-96 -72.5t-118.5 -26.5h-44l-70 20l-31 -151q-14 -67 0.5 -83t89.5 -22l-5 -28h-287l8 28q65 7 81.5 22t29.5 83l79 398q12 56 0.5 70.5t-78.5 20.5l7 28h255q108 0 164 -43t56 -125zM524 478q0 141 -146 141q-25 0 -47 -8q-16 -6 -20.5 -13.5
t-10.5 -39.5l-43 -241q37 -13 83 -13q67 0 125.5 45t58.5 129z" id="x1D443"></path></g>
</svg> value</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Groups</td><td align="center">4</td><td align="center">204.97</td><td align="center">576.04</td><td align="center">&lt;.001</td></tr><tr><td align="left">Time</td><td align="center">1</td><td align="center">110.84</td><td align="center">311.49</td><td align="center">&lt;.001</td></tr><tr><td align="left">Group * time</td><td align="center">4</td><td align="center">.22</td><td align="center">.62</td><td align="center">.65</td></tr><tr><td align="left">Error</td><td align="center">90</td><td align="center">.36</td><td align="center"> </td><td align="center"> </td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><svg height="13.75" id="M17" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 7.7375002 13.75" width="7.7375002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.012,-0,0,-.012,.062,5.525)"><path d="M471 153q-22 -15 -61 -13q-25 31 -45.5 49.5t-56.5 41.5q4 -71 28 -134q-17 -33 -42 -46q-24 12 -42 46q24 63 28 134q-36 -23 -56.5 -41.5t-45.5 -49.5q-36 -2 -61 13q0 28 19 59q65 10 130 43q-65 33 -130 43q-19 31 -19 59q22 15 61 13q25 -31 45.5 -49.5t56.5 -41.5
q-4 71 -28 134q17 33 42 46q24 -12 42 -46q-24 -63 -28 -134q36 23 56.5 41.5t45.5 49.5q36 2 61 -13q0 -28 -19 -59q-65 -10 -130 -43q65 -33 130 -43q19 -31 19 -59z" id="x2217"></path></g>
</svg>Degree of freedom, **mean square.<br/></td></tr></table>

International Scholarly Research Notices

tab2

Table 2

Table 2: Effect of Lactic Acid Etching on Bonding Effectiveness of Orthodontic Bracket after Water Storage 