Lee et al. [24]
|
Case series (9)
|
Maxilla anterior
|
Zirconium abutment
|
52 weeks after installing the prosthesis
|
Esthetic, no abutment fracture or screw loosening
|
Aydin et al. [25]
|
Case report (1)
|
#22
|
Zirconium abutment
|
Six months after installing the prosthesis
|
No difference in PCR, BOP, PD, and BL
|
Kalman et al. [26]
|
Case report (1)
|
#22
|
Customized zirconium abutment (Nobel Procera)
|
Not mentioned
|
Esthetic
|
Wadhwani et al. [27]
|
Case report (1)
|
#12
|
Customized abutment (Straumann)
|
Not mentioned
|
Esthetic
|
Mahn et al. [28]
|
Case report (1)
|
#11
|
Customized abutment
|
Not mentioned
|
Esthetic
|
Schneider et al. [29]
|
Case report (1)
|
#21
|
Zirconium ART EASY abutment (Thommen Medical)
|
Not mentioned
|
Esthetic
|
Tan et al. [30]
|
Case report (1)
|
#21
|
Zirconium abutment (Astra Tech Inc., USA)
|
Not mentioned
|
Customized titanium abutment: excellent gingival contour, gray shade in the gingival area; zirconium abutment: no gray shade in the gingival area
|