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.
Receding gums are typically a sign of periodontal disease, which is common among adults (and more men than women) in the United States.The major culprit in this preventable disease is dental plaque, a sticky substance composed of millions of bacteria that accumulate around and between teeth.eceding gums are typically a sign of periodontal disease, which is common among adults (and more men than women) in the United States.