PMC3606756_01
Clinical appearance of extensive enamel deformities chipped during mastication.
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The patient also complained of continuously chipping of teeth in both arches while masticating (Figure 1).
Typical intraoral appearance of dentinogenesis imperfecta. Stainless steel crowns had been applied during mixed dentition to preserve hard tissue.
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Intraoral examination showed that eruption of the permanent teeth was complete and that teeth 16, 26, 36, and 46 had been restored with stainless steel crowns (SSC) (Figure 2).
Anterior teeth had been restored with composite laminate veneers for esthetic reasons.
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A dental history indicated that composite laminate veneers had been applied to the upper anterior teeth by a pediatric dentistry clinic for esthetic reasons 3 years previously (Figure 3).
Patient radiographs: Lateral cephalograph (a); plain femoral radiograph (b); and orthopantomograph (OPG) (c).
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A plain radiograph of the lower extremities showed intramedullary rod fixations in both femurs (Figure 4).
(a) Cemented posterior crowns fabricated from feldspathic porcelain using Laser Sintering technology. Vertical occlusal dimension was established according to the measurements. (b) Zirconium frameworks produced using a 5-axis CNC unit.
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Restorations were cemented with polycarboxylate cement (Adhesor Carbofine, Spofa Dental, Prague, Czech Republic) (Figure 5). Impressions were obtained using polyvinyl siloxane (Speedex II, Coltene Whaledent Group, Inc., Mahwah, NJ, USA), and the zirconium restorations were fabricated at SMC-GMMA using a five-axis CNC unit (Figure 5).
Intraoral appearance of prosthetic restorations.
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Restorations were cemented with polycarboxylate cement following try-in (Figure 6).