CDEN0110

I 13 case report _ hemisection I cosmeticdentistry 1_2010 Fig. 1 Fig. 2 Fig. 3 Figs. 1 & 2_Fusion of teeth #21 and 21a (accessory tooth germ).—Fig. 3_Orthopantomograph with illustration of the fused teeth #21 and 21a. Seemingly, the accessory tooth #21a does not have a proper pulp chamber. Fig. 4 Fig. 5 Fig. 6 Fig. 7 Fig. 8 Fig. 9 Fig.7_Thefusedpartoftooth#21awasremovedbyperiotomyandtheactualtooth#21wasretained.—Fig.8_Openingsinthepulpchamberwereinvestigatedusingexplorersensors andmagnifyingspectacles.Thepulpchamberoftooth#21appearedtobecompletelyclosed.—Fig.9_Tooth#21wascarefullypreparedfortheincorporationofaprovisionalcrown. Fig. 10 Fig. 11 Fig. 12 Fig.10_Theemptyalveolusoftooth#21awasfilledwithacollagenspongetoavoidquickresorption.—Figs.11&12_Tooth#21aafterexacthemisectionofthefusedteeth. Fig. 13 Fig. 14 Fig. 15 Fig. 13_Plastic covering of the alveolus of tooth #21a. Wound closure was carried out with absorbable suture materials and through surface adhesion with cyanoacrylate.— Fig. 14_Post-op view.—Fig. 15_Post-op view after one week. Fig. 4_Minimally invasive, marginal incision with discreet vertical relief distally to tooth #21a.—Fig. 5_Vestibular formation of a muco-periosteal flap to evaluate the fusion between teeth #21 and 21a.—Fig. 6_The fused teeth were cut off from the crown right down to the root using a diamond-coated micro-cutter with a cutting disc.