How difficult is 2 implants on # (12,13) with regard to sinus and bone crafting.teeth missing for long time but dentist said i had enoguh bone lift?

Varies: The degree of difficulty to place implants can vary between different people or different areas of the mouth on the same person. The sinus is a factor most of the time for #13 but not usually for #12. If you have the bone and the space for 2 implants and enough distance between the top of the implants and the opposing tooth it should be pretty straightforward.

Nowadays, routine: Grafting techniques have become less invasive and more successful over the years. Implants are a great way to replace missing teeth. Allow your surgeon to explain exactly what is planned and what you should expect.

Possible: If there is sufficient bone , then it is very possible. See the Prosthodontist for an opinion from the specialist in reconstruction and possible referral to an Oral Surgeon for evaluation of the sinus proximity and possible treatment techniques. You want all the info possible before making your decision and selecting your treatment team. This is not like getting a filling or crown. Good Luck.

Safe and predictable: Avoiding complications begins with careful treatment planning, based on accurate preoperative anatomic evaluations, CBCT scan and surgical stent fabrication. Safe and predictable outcome.