Page 14 - Dental Practice August 2022

prosthodontic section

FIG 5a FIG 5b FIG 5c

FIG 5d FIG 5e FIG 5f

FIG 6a FIG 6b FIG 6c FIG 6d

CASe 3 rods. if there is enamel supported by dentin, one has adequate con-
An old man presented with anterior tooth fracture (Figure 5a). dition to build up on those lasting restorations (Figure 7).
upon evaluation it was noted that adequate ferrule of 2mm existed
and it was decided to use post and full contour composite buildup. CASe 5
The ferrule was exposed using soft tissue die laser (Figure 5b). The Another case of mutilated premolar (Figure 7). The decision to
post used was FRC Postec (Figure 5c), and composites Tetric n restore it with direct build up was taken as interim therapy till an
Ceram, build up done (Figures 5d, 5e, and 5f). onlay could be designed and delivered along with implant crown in
in cases if deficient tooth structure , one needs to resort to crown molar site. Since the tooth exhibited excellent bonding surfaces, no
lengthening procedure and take help go vertical ferrule, going for post was used and a direct composite build-up done (Figures 7a, 7b
vertipreps. Crown lengthening should not be attempted if the crown and 7c) in full occlusion (Figures 7d and 7e). Patient didn’t turn up
to root ration cannot be maintained, with at least 3mm of remain- for 6 years and after 6 years the buildup had withstood occlusal
ing root canal filling at the apex. forces but as molar implant was never placed, showed a distal drift
(Figure 7f).
CASe 4
A case of fractured premolar (Figure 6a), where vertiprep was done 4. OCCluSAl FORCeS
and ferrule achieved (Figures 6b and 6c), and full all ceramic crown The presence of occlusal disease, parafunction makes the long term
done (Figure 6d). success of restoration of mutilated teeth questionable. Clinician
should look into the occlusal issues and rectify them before any
3. SuRFACeS FOR ADheSive bOnDing restorative procedure. Doing an implant or any such “permanent”
The most important for adhesive bonding is the presence of enamel solution will also lead to a failure ultimately under occlusal forces.

14 Dental Practice // July-August 2022 // Vol 18 No 4