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Maxillofacial Plastic and Reconstructive Surgery

Table 7 Summary of international studies with evidence level 4

From: Clinical reliability of zirconium abutment in implant restorations in the English and Korean literature

Author Study type (no. of samples) Implant location Abutment F/U period Outcome
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
  1. PCR plaque control record, BOP bleeding on probing, PD probing pocket depth, and BL bone level
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