Quarterly Sales Estimates for ALGN
| 03-2007 | 59.6 | 57 | 58.397 | 0 | 3/23/2007 |
| 06-2007 | 74.8 | 72 | 73.031 | 1.033 | 6/25/2007 |
| 09-2007 | 72.9 | 70.3 | 71.263 | 0.834 | 10/1/2007 |
| 12-2007 | 72 | 69.7 | 71.032 | 0.866 | 1/28/2008 |
| 03-2008 | 72.8 | 71.34 | 72.038 | 0.515 | 4/16/2008 |
| 06-2008 | 80.2 | 78.6 | 79.424 | 0.603 | 7/23/2008 |
| 09-2008 | 79 | 71.8 | 74.463 | 2.612 | 10/13/2008 |
| 12-2008 | 75.6 | 72.25 | 73.595 | 1.211 | 1/5/2009 |
| 03-2009 | 67.9 | 65.231 | 66.851 | 0.968 | 4/14/2009 |
| 06-2009 | 70.5 | 68.3 | 69.574 | 0.817 | 7/22/2009 |
| 09-2009 | 74.804 | 72.5 | 73.295 | 0.748 | 10/20/2009 |
| 12-2009 | 81.9 | 79.5 | 80.263 | 0.733 | 12/31/2009 |
| 03-2010 | 88.006 | 85.8 | 86.833 | 0.907 | 4/21/2010 |
| 06-2010 | 91.51 | 88.5 | 90.069 | 1.149 | 7/20/2010 |
| 09-2010 | 95.18 | 92.6 | 94.231 | 0.891 | 10/20/2010 |
| 12-2010 | 94 | 90.9 | 92.093 | 1.228 | 1/25/2011 |
| 03-2011 | 102.43 | 99.1 | 100.768 | 1.285 | 4/18/2011 |