Immediate Dental Implant with Replicate Tooth System

Exploring new dental implant technology – A single tooth replacement option with root analog implants.

This pilot study was performed to explore an innovative approach of single tooth replacement. Using a custom-fabricated, root-analog, hybrid dental implant in the esthetic zone to avoid the microgap and micromovements between the implant and abutment.

This treatment concept is intended to evaluate the advantages of using an immediate implant over conventional options for dental prosthesis. Furthermore, we offer a documented approach to the planning and implementation of a single tooth replacement based on our experience in close cooperation with the patient.

In the present case, a hybrid root-analog implant was fabricated in which a root made of titanium is connected to a zirconia abutment by direct fusion (sintering technique). Before insertion, the hybrid implant was fabricated according to the root geometry.

When to use the replicate tooth system.

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Conventional vs. new Dental Implant Technology

Comparing new dental implant technology with conventional implantology:

After the tooth is extracted, the surrounding tissue is resorbed. Scientific studies show that after three months, cervical resorption reaches 30% and labial resorption up to 50%.

These resorption processes can significantly affect the indication for an implant and thus the resulting aesthetic appearance. Therefore, many studies show that an immediate implant is a realistic alternative to keep the remodelling processes to a minimum. Immediate implant placement also reduces the treatment time, the number of surgical procedures required and the overall costs.

The use of a root-shaped tooth analog dental implant might be in selected cases a viable alternative to current threaded cylindrical and cone-shaped implants. With two-part implants, the micromovements can lead to bacterial contamination at the implant-abutment connection. The new concept avoids the microgap between the implant and the abutment. Consequently, the risk of peri-implant bacterial soft tissue inflammation and bone loss may be reduced.

The aim of the present case report is to describe an innovative concept for single-tooth replacement with a patient-specific root-analog hybrid implant in the esthetic zone. This includes the precise replication of the root geometry using CAD/CAM technology (STL data) and the 3D acquisition of the tooth before extraction using DVT (DICOM data).

Check the program at the next AAED meeting.

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Single tooth replacement - Step-by-Step Guide

Immediate single tooth replacement – Planning the workflow for the Replicate Tooth System.

The process requires capturing accurate root geometry through combined computer-aided design/computer- assisted manufacturing and a three-dimensional visualization digital volume tomography of the tooth in situ.