Dental implants are extensively used for replacing missing teeth. Based on the groundbreaking inventions late 20th century, the accepted product design is a rotation symmetrical screw. Crucial for placement of the implants is sufficient bone volume. In the widely used delayed procedures, after extraction of the tooth, a healing time of the bone (avg. 1-3 months) is part of the plan. When the implant is placed it will take another 1,5 – 3 months for osseointegration (bone healing). The restoration is placed 4-7 months after extraction.
If a patient has insufficient bone volume to insert a dental implant, a bone augmentation procedure is necessary. Bone augmentation includes a variety of procedures, including sinus lifts, vertical and horizontal bone grafting procedures, the use of autologous or bone substitutes, membranes and manipulation of bone using an osteotome. A treatment plan with bone augmentation included takes more surgical interventions(1 – 2) and healing time. The final restoration will be placed 9 – 15 months after extraction.
Over the last decade, immediate replacement – extraction and implantation in 1 surgical session – has proven to be an effective strategy with excellent clinical results. The implant is placed in the fresh extraction site. The challenge in this procedure is to achieve sufficient primary stability and to be sure that there is sufficient bone volume around the implant to ensure long-term stability. If the surgical intervention is successful the final restoration can be placed 1,5 – 3 months after extraction.
Immediate tooth replacement satisfies patients’ expectations as it reduces time to the final restoration by fewer surgical interventions and clinic visits. It impacts the total cost of treatment as well to the advantage of the end-user.