An Aesthetic Treatment of a Metallic Gingival Margin

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1.

Metallic gingival margin of a nine year old porcelain fused to metal crown on a Bicon abutment.

2.

Radiograph of nine year old Bicon implant restorations.

3.

Implant well and soft tissue sulcus after the removal of a nine year old Bicon abutment.

4.

Laboratory bur is used to prepare the cervical portion of a Bicon abutment by cutting a groove into the surgical grade titanium alloy.

5.

After sandblasting with 50 micron alumina and ultrasonically cleaning in 95% ethyl alcohol, the prepared groove is coated with a metallic coupling agent.

6.

Porcelain fused to metal restoration with a metallic coated prepared groove is placed in an oven at 120°C for five minutes.

7.

A layer of neutral metal opaque powder is applied onto the prepared groove.

8.

Restoration with opaque layer is placed into an oven for five minutes at 120°C for five minutes under vacuum.

9.

After an application of a ceramo-coupler a second application of an opaque layer is being applied.

10.

Restoration is being placed in oven for five minutes at 120°C under vacuum for curing of second opaque layer.

11.

After an application and light curing of modeling liquid a polyceramic opaque dentin material is being applied.

12.

Opaque dentin is being light cured for 3 minutes.

13.

A layer of dentin is being applied.

14.

Dentin layer is being light cured for 2 minutes.

15.

Superficial layer is being removed prior to polishing.

16.

Initial polishing with a super-fine grade carbide bur.

17.

Polishing with a pink silicone disc.

18.

Further polishing with a nylon bristle brush.

19.

Final polishing with a soft bristle brush and a polishing paste.

20.

Nine year old porcelain fused to metal crown with an aesthetic gingival margin.

21.

Aesthetically improved gingival margin.