1. The impressions should be centered with the midline of the tray    2. Each tooth impression should be fully pressed into the putty.    3. Back molars are fully captured into putty. 

1. The impressions should be centered with the midline of the tray

2. Each tooth impression should be fully pressed into the putty.

3. Back molars are fully captured into putty. 

  1. Movement has shifted the tray off center.    2. Tray movement has created distorted tooth capturing    3. Teeth impressions  haven't been fully pressed into the putty.

1. Movement has shifted the tray off center.

2. Tray movement has created distorted tooth capturing

3. Teeth impressions  haven't been fully pressed into the putty.