Disadvantages of In-Office Whitening. 1  In-office bleaching is more expensive than take-home alternatives. 2  Its cost, on average, is $650, compared to $400 for take-home trays and under $100 for over-the-counter bleaching trays or whitening strips.
Planetary protection is a guiding principle in the design of an interplanetary mission, aiming to prevent biological contamination of both the target celestial body and the Earth in the case of sample-return missions.
The planetary logos is the macrocosm function to the collective mind and microcosm function of the individual mind. Planet Logos=Planetary Brain=Collective Race Mind=Human Mind=Individual Brain. All of these aspects of intelligence are a interactive part of the planetary logos.