url重写或更改wordpress网站链接的url

我在wordpress中构建了以下网站http://www.drwagenberg.com/以前的开发人员已经创建了四个模板页面并在不同类别的帖子中创建所有内容。这是一个模板页面代码

<?php
/*
Template Name: detail
*/
?><?php get_header(); ?>
<?php include (TEMPLATEPATH . '/banner.php'); ?>
<div id="inner_servce_bx">   <!-- inner service bx -->
<?php $cat_id=$_GET['catid']; ?> 
<div id="inner_heading">
<?php  $title = $wpdb->get_results( "SELECT * FROM $wpdb->terms WHERE term_id=$cat_id"); 
    foreach ($title as $objt)  {
    $main_title =  $objt->name; ?>
  <div id="inner_hdng_txt"><?php echo $main_title; ?></div>
  <?php } ?>
  </div> 
  <div id="servcs_smal_bx">  <!-- service service bx -->
<?php  $service_id = $wpdb->get_results( "SELECT * FROM $wpdb->term_taxonomy WHERE parent=7 order by term_id asc"); 
foreach ($service_id as $obj)  {
$service_cat_id =  $obj->term_id; ?>
<?php  $service_name = $wpdb->get_results( "SELECT * FROM $wpdb->terms WHERE term_id=$service_cat_id"); 
foreach ($service_name as $obj1)  {
$service_cat_name =  $obj1->name;
$service_cat_id = $obj1->term_id; ?>
        <div id="servcs_smal_bx1">  <!-- servcs smal bx1 -->
        <div id="servc_title_bx">  <!-- servc title bx -->
          <div id="title_txt"><?php echo $service_cat_name; ?><br/>
<span id="title_txt1"><?php echo category_description( $service_cat_id ); ?></span></div>
<!-- servc title bx end -->
        <?php query_posts("cat=$service_cat_id&meta_key=short_desc" );  ?>      
        <?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>            
<div id="servc_sml_img"><?php echo get_post_meta($post->ID, 'short_img', true); ?></div>
<?php endwhile; ?>
<?php endif; ?>
</div> <!-- servc title bx end -->
<?php query_posts("cat=$service_cat_id&meta_key=short_desc" );  ?>      
        <?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
        <div id="serv_descrip"><?php echo get_post_meta($post->ID, 'short_desc', true); ?></div>
        <?php endwhile; ?>
        <?php endif; ?>
        <div id="read_mre1"><a href="index.php/?page_id=53&catid=<?php echo $service_cat_id; ?>">Read More...</a></div>
        <div id="ser_btm_line"><img src="<?php bloginfo('template_directory'); ?>/images/srvice_line.jpg" width="439" height="42" />
        </div>
        </div>
        <?php } } ?>
    </div>
</div> <!-- service service bx end -->
<?php get_footer(); ?>

然后在每个模板页面上检查调用的类别，并从该模板页面上的数据库加载该类别。所以url看起来像这个

http://www.drwagenberg.com/?page_id=101&catid=8

永久链接被设置为这种类型的

post   http://www.drwagenberg.com/sample-post/

有没有什么简单的方法可以将地址栏中显示的url设置为我想要的类型，比如

http://www.drwagenberg.com/services-procedures/periodontal-disease

以及我将如何为SEO优化做这件事？？？