1. Don't! - create one tooth and patter the feature
(do this experiment - right mouse button and Show All Constraints. It should be obvious why it is better to pattern features rather than sketch entities.
2. attach your file here
If you want to learn Sketch Doctor
Important Restart Sketch Doctor to re-diagnose sketch after combining points.
Log into access your profile, ask and answer questions, share ideas and more. Haven't signed up yet? Register