how fix smooth text in IE
===

i have a webbrowser control in my application.
i add a font to my css using this code

    @font-face {
    font-family: 'pNumber';
    	src: 
    	url('Address\pNumber.eot');
        url('Address\pNumber.eot?#iefix') format('embedded-opentype'),
        url('Address\pNumber.woff')       format('woff'),
    	url('Address\pNumber.ttf')        format('truetype'),
    	url('Address\pNumber.svg#pNumber')    format('svg');
    }
    .pNumber 
    {
    	font-family: pNumber;
    }

every thing is fine but the text is not smooth.
I find a lot of topic in internet but any one could not solve this problem.
please help.