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.
Benefits of Using PC Protector Plus. PC Protector Plus acts as a protection shield for the system against malware threats. It provides protection against the malicious items on a user's PC. Its key function is to detect and remove the malware software that has already got installed on the system. 1 Click Malware Cleaning.