Published in May 1988
TREATMENT OF PERIODONTAL LESIONS IN MULTIROOTED ELEMENTS 
GUSTAVO PETTI
Physician and Surgeon specializing in Dentistry. Periodontist.
Piazza Repubblica 4, 09129 Cagliari, Italy.
tel ++39 070 498159, fax ++39 070 400164
web site www.gustavopetti.it

Graft with heterologous bone

Fig. 36. The X-ray shows serious coronal damage to 2.6 and a 3rd degree lesion of the vestibular and distal bifurcations of the same tooth. Also present is serious bone damage to the two premolars.
Fig. 37. Endodontal treatment follows.
Fig. 38. A mucoperiosteal flap is sculpted and raised.
Fig. 39. Treatment continues with avulsion of the distal vestibular root.
Fig. 40. Differential preparation of the treatment of the stump then begins.
Fig. 41. A Duralay core is prepared and suitably shaped.
Fig. 42. The gold core is cemented.
Fig. 43. A temporary prosthesis is constructed with a palladium bite (to maintain the vertical dimension). It also includes the two premolars which present 2nd degree mobility and in correspondence to which it will be necessary to perform a reconstructive bone operation.
Fig. 44. Having sculpted a mucoperiosteal flap, the bone is remodelled at the two premolars and 2.6 to improve the bone architecture.
Fig. 45. After removing the granular tissue, the bone defects at the level of the mesial surface of 2.6 and the palatal surface of the premolars are in full view.
Fig. 46. After placing the flap under tension with a safety stitch, treatment of the bone defects continues with three Interpore 200 implants.
Fig. 47. Bone reconstruction has been completed and suitably modelled.