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Journal of Oral Science & Rehabilitation No. 2, 2016

Journal of Oral Science & Rehabilitation 20 Volume 2 | Issue 2/2016 T h r e e - y e a r r e s u l t s o f A l l - o n - 4 i n d a i l y p r a c t i c e – Animplant-supportedcomplete-archFDPwas defined as “successful” when the dental pros- thesis remained in function and the esthetic evaluation, assessed bythe dentist andthe pa- tient,was satisfactoryduringthe studyperiod. – Animplant-supportedcomplete-archFDPwas considered as “surviving” when the dental prosthesis remained in function, even though all of the success criteria were not fulfilled. Thesecondaryoutcomemeasureswereasfollows: – Anytechnical (fracture ofthe framework and/ or the veneering material, screw loosening, etc.) and/or biological (pain, swelling, suppu- ration, etc.) complications were considered. – The distance from the most coronal margin of the implant collar and the most coronal point of bone-to-implant contact was taken as the marginal bone level. This level was evaluated on intra-oraldigitalradiographstakenwiththe paralleling technique using a film holder (Rinn XCP, DENTSPLY, Elgin, Ill., U.S.) at implant placement (baseline) and then yearly up to three years of function. Radiographs were ac- cepted or rejected for evaluation based on the clarity of the implant threads. All readable ra- diographs were displayed in image analysis software (Digora forWindows 2.8, SOREDEX, Tuusula, Finland) thatwas calibrated for every single image using the known measure of the implant thread pitch. Measurements of the mesial and distal bony crest level adjacent to each implantwere madetothe nearest 0.1mm and averaged at the patient level. – Patientsatisfactionwasevaluatedwithaques- tionnaire one month after delivery of the final prosthesis and at the three-year follow-up examination, provided by independent and blinded outcome assessors. The assessor asked the following questions: Are you satis- Figs. 8a–c Lateral (a & c) and frontal (b) intra-oral photographs of the carbon-fiber-reinforced defini- tive prosthesis screwed onto the implants. Figs. 9a–c Lateral (a & c) and frontal (b) intra-oral photographs of the definitive prosthesis taken three years after implant placement. Fig. 10 Panoramic radiograph three years after implant placement. c c b b a a Figs. 8a–c Figs. 9a–c Fig. 10

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