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. .
After you get your teeth whitened, itâs highly important that you avoid any foods or drinks that can stain your teeth. Foods and drinks that are likely to stain your teeth include red wine, coffee, tea, turmeric, and fizzy drinks. It is important that you avoid these items for at least 24 to 48 hours.