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.
A RealAge answered. When your gums recede, or pull away, from your teeth, the roots of your teeth can be exposed. Plaque can form on the roots outer surface, which is made of dentin. Because the dentin is not as hard as enamel, plaque can cause cavities in dentin faster than in enamel.