A serious gum infection that damages gums and can destroy the jawbone. 

Do you have gum swelling? foul breath? acidic taste in mouth ? bleeding gums?

You may be having pyorrhea which is serious gum infection. 

What caused Gum inefctions?

Pyorrhea is caused by the destruction of the periodontium. Improper dental hygiene is what kills this tissue. Tartar, calculs and palque are main factor.

Others are Physiological factors, local factors , genetics.

During surgery to place the dental implant, your oral surgeon makes a cut to open your gum and expose the bone. After suitable driling in the bone where the dental implant a titanium body will be placed. Since the post will serve as the tooth root, it's implanted deep into the bone.