Page 11 - CEREC Q4 | 2014

QUARTER 4 | 2014 | CERECDOCTORS.COM | 9
ADHESIVE TECHNIQUE
FOR IPS E.MAX RESTORATIONS
1. Following the initial assessment, the
tooth shade was matched with IPS
e.max CAD block BL2 HT (Fig. 2).
2. After anesthetic was administered,
the gingival sulcus was measured at
3 mm (Fig. 3), and a bleeding point
was made at 2.5 mm as a guide for
gingival contouring (Fig. 4).
A zenith mark was placed as an addi-
tional contouring reference (Fig. 5).
Fig. 1: Preoperative retracted right
lateral view of tooth #4
Fig. 2: The shade of tooth #4 was
determined to be IPS e.max CAD
block BL2 HT
Fig. 3: The gingival sulcus was
measured to guide contouring
Fig. 4: Additional measurements
were taken to determine the ideal
gingival sulcus height
Fig. 5: A zenith mark was placed to indicate
the position for the gingivectomy
Fig. 6-8: The gingivectomy was completed
using a radiosurge and a straight tip
Fig. 9: Postoperative view of the completed
gingivectomy surrounding tooth #4
Fig. 10: A retraction cord was placed
to isolate the tooth
Fig. 11: Gingival retraction was
achieved in preparation for
digital scanning
Fig. 12: Buccal view of the CAD/CAM
designed restoration for tooth #4
Fig. 13: Occlusal view of the
no-preparation IPS e.max CAD
veneer for tooth #4
CASE STUDY
A 22-year-old female presented with a
chief concern of a “dwarf tooth” on tooth
#4 (Fig. 1). Upon examination, an under-
developed secondbicuspidwas observed.
A treatment plan was developed to
re-contour the gingiva surrounding
tooth #4 and place a lithium disilicate
(IPS e.max CAD) no-preparation veneer
to achieve the patient’s esthetic goal of
having the tooth mirror the contralat-
eral tooth.
3. Gingival contouring was completed
using a radiosurge and straight tip
(Figs. 6-9).
4. Retraction cord was placed
(Fig. 10), and the dentition were
scanned (Fig. 11). A digital model
was then created from the scan.
5. The IPS e.max CAD veneer was
designed using the contralateral
tooth as a reference for the new
shape and anatomy of tooth #4
(Figs. 12-13).
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