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. .
Q. Teeth Whitening Products With Peroxide. A. Itâs important to learn about the whitening ingredient in the leading teeth whitening products when comparing whitening methods to determine which may work best for you. Hydrogen Peroxide is a popular ingredient in whitening products and is the whitening ingredient in Crest 3D White Whitestrips.