Your picture angles are perfect, but they aretoo out of focus to see the necessary details. Here's a link that may be helpful for you to guesstimate the age: http://www.buckmanager.com/2007/01/19/age-determination-using-jaw-bones/

Keep in mind that tooth wear varies geographically. The only definateway to pinpoint a deers age to the exact year is the ring count method.