The SIS Building or MI6 Building at Vauxhall Cross houses the headquarters of the British Secret Intelligence Service (SIS, MI6). It is located at 85 Albert Embankment in Vauxhall, a south western part of central London, United Kingdom, on the bank of the River Thames beside Vauxhall Bridge.
There are a couple of main issues associated with thin, fragile gums and dental implants. 1  The implant shows through the gums as a grey or grayish tint. This does not look good. 2  The gums can recede causing the bone to recede too. If this happens, the threads of the implant can show.
How Long Do Dental Implants Last. Dental implants are an excellent choice for long-term tooth replacement, but how long do dental implants last? Factors that affect how long dental implants lasts depend largely on the patientâs lifestyle and overall dental hygiene. In fact, the technology of dental implants has become so advanced over the years that implant failures due to rejection or functionality issues have largely become problems of the past.