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restorative section


























              FIG 9: After removal of all rings and bands, the resulting Class I restoration is now  FIG 10: The cavity was filled with composite Beautifil II LS (Shofu) in small incre-
              ready for filling.                                    ments to avoid C factor, while mimicking natural anatomy. Brown stains were
                                                                    added to give a natural effect.



                                                                    Step 2
                                                                    Restoration  of  tooth  #35.  After  the  initial  cavity  preparation,  a
                                                                    deeper  carious  lesion  was  identified.  Caries  dye  was  applied  to
                                                                    effectively remove caries with the help of a slow speed round car-
                                                                    bide bur. (Figure 2)

                                                                    Step 3
                                                                    After removal of decay, the tooth was prepared using a small dou-
                                                                    ble-sided  Super-Snap  Purple  disk  to  bevel  the  proximal  box,
                                                                    remove sharp edges and unsupported enamel.
                                                                    Clincial tip: This is the most important step if you want to achieve
                                                                    great margin seal and avoid microleakage. (Figure 3)

                                                                    Step 4
              FIG 11: Rubber dam was removed and occlusion checked with 40 micron articulat-  In order to achieve a natural contact, tooth #35 was restored first
              ing paper in static occlusion.                        followed by tooth #36.
                                                                       A Garrison pre-contoured premolar FX100(gray) matrix band
                                                                    was placed in between #35 and #36. Then an extra small (yellow)
                                                                    Fusion  Wedge  was  placed  in  between.This  provides  a  wedging
                                                                    effect and sealing of the band with the proximal box so that when
                                                                    composite is placed in the box it won't flow excessively beyond the
                                                                    band.  This  is  the  most  common  failure  seen  in  Class  II’s.
                                                                    Additionally, the wedge stabilizes the band during ring placement
                                                                    (Composi-Tight 3D Fusion FX400 blue, short ring), preventing the
                                                                    band from moving. This is the most important step in doing per-
                                                                    fect Class II restorations. (Figure 4)
                                                                    Step 5
                                                                    After placing the band, a routine procedure of selective etching was
                                                                    completed with 32% phosphoric acid etchant. Shofu 6th genera-
                                                                    tion  FL  bond  II  primer  and  bond  was  then  applied  and  photo
             FIG 12: After finishing and polishing.
                                                                    cured as per instructions. A small amount of Shofu Beautiful Bulk
                                                                    Flow  dentin  shade  was  placed  in  the  proximal  box.  (Do  NOT
                                                                    photo  cure)  Due  to  its  low  viscosity,  this  material  provides  an
                                                                    excellent  adaptation  to  irregular  cavity  geometry.  Next,  a  small
                                                                    amount of Beautifil LS II dentin shade A2 was placed in the proxi-

              16   Dental Practice // January-February 2021 // Vol 17 No 4
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