CAD/CAM Everyday Dentistry

Community - Indirect posteriors

Today cad/cam can help to perform high precision restoration using digital workflow. An everday case illustration.

Fig. 1

Fig 1.- A 34 years old patient, with no medical history, came to our office with the desire to change the composite on her 46 which is inaesthetic for her. During the clinical exam we find a decay under the restoration.

Fig. 2

Fig 2.- Shade matching.

Fig. 3

Fig 3.- smile lite is used to check the right shade

Fig. 4

Fig 4.- After cleaning the cavity a ceramic inlay is choosed to restore a good morphology. Some composite is placed to fill gaps.

Fig. 5

Fig 5.- intraoral scanning was performed with the CS3500 (Carestream). the STL file is send to the dental lab (Digital Lab, La Roche sur Yon, France).

Fig. 6

Fig 6.- Using the 3shape software the inlay is modelised with high precision.

Fig. 7

Fig 7.- The inlay is made with high translucent lithium disilicate (Emax A3 HT, Ivoclar Vivadent), high translucancy will improve the light transmission after bonding.

Fig. 8

Fig 8.- Using isolation, we can secure our cementation protocole. the inlay is properly conditionned (fluorhydric acid, silane). the inlay luting is performed using a heated composite technique (Asteria A3)

Fig. 9

Fig 9.- Excess are removed and a quick polishing is applied. After removal of the dam, and polishing

Fig. 10

Fig 10.- final restauration after tooth rehydratation.