Oh, brother!
When you're reading something - especially if it's a serious subject - the last thing you want is to encounter a dopey error that disrupts the reading flow.
Read the second paragraph and do so knowing that "dentition" pertains to the development of teeth and their arrangement in the mouth. It's highly unlikely that SpellCheck would replace a common word like "detention" with the less common "dentition", so what's the excuse, Record?
Click to enlarge: