Indications for PFM restorations
1. dental fluorosis, discolored teeth, tetracycline stained tooth, conical teeth, enamel development are not strictly equal, the patients appearance and durability requirements.
2. the anterior teeth defect or multiple defects of Crown and cutting edge and corner defects, not filling or filling treatment retention, resistance range.
3. dislocation, reverse teeth affect the appearance, not suitable for orthodontic treatment.
4. porcelain fixed bridge abutment teeth retainers.
5. where indications casting full Crown of posterior tooth, patients appearance, may consider the porcelain fused to metal crowns.