Research Article
In Vitro and In Vivo Efficacy of New Composite for Direct Pulp Capping
Figure 5
(a) Representative images of in vivo experiment, during the tooth preparation to reach pulp chamber (upper image) and material application (bottom image). (b–i) Hematoxylin-eosin staining of slices obtained from in vivo study of the materials on direct pulp capping. (c), (e), (g), and (i) represent the high magnification (200x) of (b), (d), (f), and (h), respectively. Black arrows indicate dentinal tissue, white arrows show predentin, open white arrows depict odontoblast zone, and black arrows indicate connective tissue and of white arrowheads indicate pulp ectasia (PE). (b, c) A tooth without treatment, in which is possible to observe slight deep PE. (d, e) A tooth treated with Res 10%, which is possible to note moderate PE. (f, g) A tooth restored with Ca(OH)2, where necrosis is found and indicated by the white asterisk. (h, i) A tooth restored with control resin (0% bioactive fillers) showing superficial PE and signs of pulp inflammation; higher magnification of this group is found in (i), depicting odontoblast zone and inflammation cells.