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Implant Restorations

With the development of dental implantation technology and decrease of its cost, it’s easy for more patients to accept this kind of treatment, even it means to suffer an implant surgical operation. On the other hand, more and more dentists become specialists in dental implantology, all these factors do a contribution to the flourish of the implant treatment.

Background

Today’s case comes from Dr. Abd El-Rahman Khalaf and Dr. Kirollos Hany. They are dentists of Faculty of Dentistry Assiut University, Egypt. With rich experience, they can provide suitable treatment to patients by digital technology.

In today’s case, a implant treatment plan was made and carried out. By implanting two implant bodies at #13 and #15 and made a bridge restoration, dentists reconstructed the occlusion at this position.

Implant operation

Dentists placed two Nobel implant bodies at #13 and #15, waited several months for osseointegration before restoration in second period, this would increase the long-term success rate of the treatment.

Fig. 1 - After Implant Operation
Fig. 1 – After Implant Operation

Scan

After the emergence was good and plump, dentists used Aoralscan 3 to capture the oral data. First step was to get full arch data without scan body (Fig 2), then choose and deleted gingiva data around the implant, inserted the scan body for intraoral scanning (Fig 3). At last, scan to get occlusion data. (Fig 4)

In this case, it is worth noting that although the patient’s 47# tooth is metallic, the Aoralscan 3 with metal tooth scan function actived would capture its morphological very well without additional powder spraying. (Fig 5)

Fig. 2 - Scan without scan body
Fig. 2 – Scan without scan body
Fig.3 - Scan with scan body
Fig.3 – Scan with scan body
Fig. 4 - Scan bite
Fig. 4 – Scan bite
Fig. 5 - Scan metal teeth
Fig. 5 – Scan metal teeth

Computer-aided design

Dentist used exocad to design the bridge restorations(Fig 6, Fig 7, Fig 8). There are many contributors to consider, for example, the number of teeth our implant body can support, mostly, two implant bodies can support 3~4 teeth, spatial location and stress distribution of implants, occlusal relationship, etc.

Fig. 6 - Computer aided design
Fig. 6 – Computer aided design
Fig. 7 - Computer aided design 2
Fig. 7 – Computer aided design 2
Fig. 8 – Computer aided design 3

Try-on provisional restoration

Dentists used DM12 resin to print the model by AccuFab-D1s (Fig 9, Fig 10). The printed model can be used for the quality inspection of temporary teeth, which were placed in patient’s mouth during the waiting process for the final crown, making the whole treatment more comfortable.

Fig. 9 - The printed models
Fig. 9 – The printed models
Fig. 10 - Dentists scooping the models off the printing platform
Fig. 10 – Dentists scooping the models off the printing platform

Final restoration

The material of final restoration is monolayer zirconia. After inspection on the model (Fig 11, Fig 12), it was placed into the patient’s mouth. The morphology, occlusion, the color of the final restoration is really good that customer is very pleased with the therapeutic effect (Fig 13, Fig 14, Fig 15).

Fig. 11 - The final restorations fitted well in model (buccal view)
Fig. 11 – The final restorations fitted well in model (buccal view)
Fig. 12 – The final restorations fitted well in model (occlusion view)
Fig. 13 - The left one is the implant body with healing cap on. The middle one shows a good condition of emergence. The right one is the final restoration placed in mouth.
Fig. 13 – The left one is the implant body with healing cap on. The middle one shows a good condition of emergence. The right one is the final restoration placed in mouth.
Fig. 14 - Final restorations in mouth (left side view)
Fig. 14 – Final restorations in mouth (left side view)
Fig. 15 - Final restorations in mouth (front side view)
Fig. 15 – Final restorations in mouth (front side view)

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