PMC6136487_01
Clinical condition of tooth #46 with extensive glass ionomer cement restoration.
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Radiographic and clinical examinations were performed initially, and an extensive glass ionomer cement restoration of a nonvital tooth (46) was identified (Figures 1 and 2).
Relationship of crown height in occlusion with the antagonist tooth (side view).
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Radiographic and clinical examinations were performed initially, and an extensive glass ionomer cement restoration of a nonvital tooth (46) was identified (Figures 1 and 2).
The molar after removal of the restoration.
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After removing the restoration, an endocrown restoration was recommended because of the amount of remaining tooth structure and the thickness of the walls (Figure 3).
Removing Gutta-percha to a depth not exceeding 2 mm.
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The remaining tooth structure was still strong (Figure 4).
Lining the root canal entrances with glass ionomer cement.
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Aspect of the provisional restoration.
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A provisional acrylic resin restoration was made by using block technic and cemented with eugenol-free temporary cement (Figure 6).
Aspect of the endocrown.
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The endocrown was fabricated in the laboratory using CAD-CAM technology and was positioned on the master cast (Figure 7).
Try-in of the occlusion.
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The restoration was examined for any occlusal interference using ceramic finishing instruments (Figure 8).
Final occlusal view after bonding the endocrown.
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The final restoration is shown in Figure 9.