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Dr. Giacomo Fabbri

Single-tooth replacement in the posterior region using the On1™ concept

Dr. Giacomo Fabbri 

Italy

“The On1 concept represents a great solution for treatment of the posterior region. It offers many advantages from a biological and biomechanical perspective. Moreover, it minimizes the patient’s discomfort during all prosthetic procedures.”

Case courtesy of Dr. Fabbri

Patient: female, 36 years old

Clinical situation: missing tooth after extraction of lower left first molar

Surgical solution: NobelReplace CC RP 5 × 10 mm On1 Base CC RP 1.75 mm, On1 Healing Cap RP 1.5 mm

Restorative solution: On1 Universal Abutment RP 0.3 mm with a full-contour zirconia crown

Surgery date: August 2016

Total treatment time: 3 months

 

 

 

Case courtesy of Dr. Giacomo Fabbri.

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Case courtesy of Dr. Fabbri

Initial clinical situation

The patient requires an implant-supported rehabilitation of the first molar after tooth extraction three months earlier. Clinical and anatomical conditions are favorable for proceeding with a one-stage surgical approach without any grafting procedures (left).

X-ray evaluation before the implant placement (right).

Case courtesy of Dr. Fabbri

Surgical procedure

A NobelReplace CC implant is placed slightly below the residual bone crest in order to maintain a soft tissue thickness of 3 mm above the implant platform. The torque is measured to 35 Ncm.

Case courtesy of Dr. Fabbri

Surgical procedure

An On1 Base is placed on the implant and torqued to 35 Ncm.

Case courtesy of Dr. Fabbri

Surgical procedure

Suture after placement of the On1 Healing Cap (left).

X-ray evaluation immediately after the surgery (right).

Case courtesy of Dr. Fabbri

Surgical procedure

Intraoral situation eight weeks after the implant surgery (left).

The soft tissue shows good healing after removal of the On1 Healing Cap (right).

Case courtesy of Dr. Fabbri

Restorative procedure

X-ray evaluation to control proper seating of the impression coping (left).

Master cast with On1 Base Replica (right).

Case courtesy of Dr. Fabbri

Restorative procedure

The On1 Universal Abutment is placed on the master model (left)

The On1 Universal Abutment makes it possible to create a screw-retained solution, which allows the use of various technologies and materials for the definitive crown (right).

Case courtesy of Dr. Fabbri

Restorative procedure

The final restoration. Monolithic screw-retained full-contour zirconia cemented onto the On1 Universal Abutment (left).

The final restoration seated on the model (right).

Case courtesy of Dr. Fabbri

Outcome

Intraoral view of the final prosthetic outcome. The screw access hole was closed with Teflon and composite (left).

X-ray evaluation of the final restoration (right).

Case courtesy of Dr. Fabbri

Outcome

X-ray evaluation after implant placement (left).

X-ray evaluation after the delivery of the final screw-retained crown (center).

X-ray evaluation after one month of function (right).
 

Case courtesy of Dr. Fabbri

Outcome

Intraoral situation 2.5 years after implant placement (left).

X-ray evaluation 2.5 years after implant placement (right).

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