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Threaded implants are commonly used nowadays, especially tapered ones. These implants have a design of narrowed or tapered at the implant end. They have also the most similar shape to the natural tooth roots. By that biomimicry, the implant maintains more stability with aesthetics.
The first step of the successful implant is primary stability. Primary stability is the gold standard which is the biomechanical stability after initial implant insertion within bone1. Good primary stability acquaints secondary stability. Secondly, we need to mention the osseointegration process. Osseointegration is a key factor for not only implant rigidity but also the healing and remodeling process of bone with an implant. Osseointegration is a biological process. It needs a natural time for completing the soft tissue and implant attachment. Implant design affects all milestones belong the process initiated with the implant insertion to the prosthetics part.
In addition to the benefits of the biological aspects, tapered implants have threads on the implant surface to increase bone-implant contact (BIC) for more predicted integration and also provide minimal micro-motion2,3. According to a study in literature, the micro-tapered movements should be preserved under the value of 150 µm. If it is not, it will be detrimental to implant stability4. Implants are more likely to be used in types of bone that are harder to achieve stability with. The main reason is even with less bone volume, the tapered implant still maintains its functionality.
In the technical aspect, according to geometrical design, forces are diverted toward the apex. It also assigns this implant more desirable for immediate placement and loading with also provides greater lateral compression of bone in the insertion process2,5. In addition, occlusal forces are distributed to adjacent bones6.
NUVO presents tapered implant design for InternalFIT and ConicalFIT. In NUVO’s comprehensive portfolio, apically tapered implants have a cylindrical coronal section. To enhance biological convenience, implants have a double trapezoid design to expand the contact surface between the implant and bone tissue for boosting the osseointegration phase. IF and CF implants are convenient for all bone types from I to IV by different implant diameters and height values.
More information about NUVO's product portfolio can be found here.
- Ajeebi, Alhassan Mohammed, and Shahad Ahmed Alquraishi. "Primary stability of dental implant."
- Wilson Jr, T. G., et al. "Tapered implants in dentistry: revitalizing concepts with technology: a review." Advances in dental research 28.1 (2016): 4-9.
- Watzak, Georg, et al. "Histologic and histomorphometric analysis of three types of dental implants following 18 months of occlusal loading: a preliminary study in baboons." Clinical Oral Implants Research 16.4 (2005): 408-416.
- do Vale Souza, João Paulo, et al. "Relation Between Insertion Torque and Implant Stability Quotient: A Clinical Study." European Journal of Dentistry 15.04 (2021): 618-623.
- Atieh, Momen A., Nabeel Alsabeeha, and Warwick J. Duncan. "Stability of tapered and parallel‐walled dental implants: a systematic review and meta‐analysis." Clinical implant dentistry and related research 20.4 (2018): 634-645.
- Glauser, Roland, et al. "Resonance frequency analysis of implants subjected to immediate or early functional occlusal loading: successful vs. failing implants." Clinical oral implants research 15.4 (2004): 428-434.