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ePaper created 2016-05-19, 12:42:25 | version 1.38.0
| industry 32 implants 2 2016 gained. The abutments and open-tray impression posts were fixed onto the implants before suture. 5. In the prosthetic procedure, the clinician connected the open-tray impression posts and the die with acrylic resin. Then the three dimensional position of theimplantswastransferredontotheplastermodel. Implants were replaced and the remaining gap was filled with acrylic resin. After the placing of the healing abutments onto the implants and shade selection, the patient was able to take a break. The polymeric porcelain (Ceramage) screw-retained provisionalprosthesis(PSTTiA,BEGO,Germany)was manufacturedatthelaboratoryanddeliveredtothe clinicianwithinthreeorfourhours. 6. The prosthesis was inserted after being delivered to the clinician. When adjusting the occlusion, implant-protected occlusion guidelines were fol- lowed. The screw holes were closed with light- curing resin. 7. Antibiotics(amoxicillinandornidazole)weregiven dailyforthreetofivedaysaftersurgery.Thepatient was educated to maintain oral health. The evalua- tion of implant stability, oral hygiene, occlusion and soft tissue was conducted every four weeks. The surface of the provisional prosthesis was adjusted to induce a good shape of the gingiva. A fistula appeared at the buccal surfaces of the soft tissue after two months of the surgery. For tunately, periapical radiography showed good os- seointegration. After treated with hydrogen per- oxide and minocycline hydrochloride for several times, it was therefore healed. 8. Based on the good osseointegration of the peri- apical radiography, the good stability of the im- Fig. 18 Fig. 19 Fig. 20 Fig. 21 Fig. 22 Fig. 23 Fig. 25 Fig. 26Fig. 24 Fig. 27 Fig. 28 Fig. 29 Fig. 18: Provisional prosthesis. Fig. 19: Frontal view of the provisional prosthesis. Fig. 20: Implant-protected occlusion. Fig. 21: Frontal view after ten days. Fig. 22: Frontal view after one month after surgery. Fig. 23: Appearance of the fistula after two months post-surgery. Fig. 24: Periapical radiograph two months later. Fig. 25: Frontal view three months later. Fig. 26: Frontal view five months later. Fig. 27: Frontal view six months later. Fig. 28: Occlusal view six months later. Fig. 29: Periapical radiograph six months later. 22016