This is something you need to know if you have an tooth extraction, you must get an implant and you cannot wait longer than a couple months because the bone will begin to disappear fast. This will effect the structure of your face. Some people look gaunt or look sunken in from having teeth removed and not replaced. Some people suffer neurological issues, headaches for not having enough back teeth. If you wait a long time to get implants it will cost more you will need a bone graft by then or the dentist will use your bone. This is way more time consuming, way more costly and more pain and hassle, more antibiotics it is just not worth it at all. It is wise to get an extraction then go ahead and get the implant, and consider all porcelain implant with porcelain screws if you need screws lucky you! Porcelain is non reactive you do not want metal in your mouth since it emits a electrical charge that effects your brain.