PMC4884799_01
Case 1: clinical and radiographic evaluation before the extraction.
CRID2016-6816907.001.jpg
PMC4884799_01_CRID2016-6816907.001.jpg
fig1
After a clinical and radiographic evaluation (Figures 1 and 2), two postextractive implants with immediate nonfunctional loading were planned, due to the aesthetic position of the teeth.
Case 2: clinical and radiographic evaluation before the extraction.
CRID2016-6816907.002.jpg
PMC4884799_01_CRID2016-6816907.002.jpg
fig2
After a clinical and radiographic evaluation (Figures 1 and 2), two postextractive implants with immediate nonfunctional loading were planned, due to the aesthetic position of the teeth.
Case 1: extraction with the preservation of the buccal bone.
CRID2016-6816907.003.jpg
PMC4884799_01_CRID2016-6816907.003.jpg
fig3
Facial bone was intact and it was more than 1 mm thick (Figures 3 and 4).
Case 2: extraction with the preservation of the buccal bone.
CRID2016-6816907.004.jpg
PMC4884799_01_CRID2016-6816907.004.jpg
fig4
Facial bone was intact and it was more than 1 mm thick (Figures 3 and 4).
Case 1 and Case 2: after implant placement and connection of the impression transfer periapical radiograph.
CRID2016-6816907.005.jpg
PMC4884799_01_CRID2016-6816907.005.jpg
fig5
Two fixtures (Certain Prevail, Biomet 3I, USA) previously selected were manually placed to better control their positions (Figures 5 and 6). After connecting the impression transfer (Figure 5), a polyether impression (Impregum Penta, 3M, USA) was taken with a custom tray prepared by the dental laboratory.
Case 1 and Case 2: placement of healing fixtures and sutures.
CRID2016-6816907.006.jpg
PMC4884799_01_CRID2016-6816907.006.jpg
fig6
Two fixtures (Certain Prevail, Biomet 3I, USA) previously selected were manually placed to better control their positions (Figures 5 and 6). Healing fixtures were inserted and 4/0 silk sutures (Ethicon, Johnson & Johnson Medical, Rome, Italy) were positioned (Figure 6).
Case 1: connection of the provisional restoration.
CRID2016-6816907.007.jpg
PMC4884799_01_CRID2016-6816907.007.jpg
fig7
Screw-retained temporary crowns were chosen to avoid cement that may lead to inflammation (Figures 7 and 8).
Case 2: connection of the provisional restoration.
CRID2016-6816907.008.jpg
PMC4884799_01_CRID2016-6816907.008.jpg
fig8
Screw-retained temporary crowns were chosen to avoid cement that may lead to inflammation (Figures 7 and 8).
Case 1: definitive prosthetic restoration with periapical radiograph.
CRID2016-6816907.009.jpg
PMC4884799_01_CRID2016-6816907.009.jpg
fig9
Astra Tech Dental System, Molndal, Sweden) was cemented (Figures 9 and 10).
Case 2: definitive prosthetic restoration with periapical radiograph.
CRID2016-6816907.010.jpg
PMC4884799_01_CRID2016-6816907.010.jpg
fig10
Astra Tech Dental System, Molndal, Sweden) was cemented (Figures 9 and 10).
Case 1: 6 years of follow-up and radiographic control.
CRID2016-6816907.011.jpg
PMC4884799_01_CRID2016-6816907.011.jpg
fig11
After one year the full crown of Case 2 was replaced by a zirconium ceramic one due to accidental fracture. A sixty-month follow-up was chosen, with clinical evaluation of the soft tissues and radiographic check for any bone resorption in the peri-implant site (Figures 11 and 12).
Case 2: 6 years of follow-up and radiographic control.
CRID2016-6816907.012.jpg
PMC4884799_01_CRID2016-6816907.012.jpg
fig12
After one year the full crown of Case 2 was replaced by a zirconium ceramic one due to accidental fracture. A sixty-month follow-up was chosen, with clinical evaluation of the soft tissues and radiographic check for any bone resorption in the peri-implant site (Figures 11 and 12).