Gestalt psychology is a school of thought that believes all objects and scenes can be observed in their simplest forms.Sometimes referred to as the 'Law of Simplicity,' the theory proposes that the whole of an object or scene is more important than its individual parts.estalt psychology is a school of thought that believes all objects and scenes can be observed in their simplest forms.
Acidic Fruits. Acidic fruits like oranges and lemons also help to whiten teeth over time. Orange peels can be used to buff your teeth or be combined into a paste for your teeth. Lemon juice also has a whitening effect on teeth, but it deteriorates your enamel. .
6 Ways to Naturally Whiten Your Teeth. 1. Brush After Drinking or Eating. The best way, but not always the easiest is to simply brush your teeth after eating or drinking something. This takes a lot of persistence and can even be kind of difficult depending on where you are at the time.