Can I use tapered implants at maxillary posterior area?

Prospective Comparative Study of Tapered Implant with SA Surface at Maxillary Posterior Area According to Loading Time : 3 and 6 months

By: Kyo-Jin Ahn, Young-Kyun Kim


The aim of this study was to evaluate prospective clinical results of tapered implants with SA surface which was installed at maxillary posterior area and loaded 3 months after implant placement.

Patients & Methods:


  • From November 2009 through September 2010
  • Implant : TSIII SA (Osstem, Seoul, Korea)
  • Site : Posterior area, Maxilla
  • Group classification : Loading time
  • Test group (3m) : 3 months after placement /  – Control group (6m) : 6 months after placement

Chart Subject Information


  • Hard tissue evaluation : Periapical view (6 months, 12 months after loading) /  – Stability : ISQ (Osstell mentor)
  • Soft tissue evaluation : AG (attached gingiva) /  – PI (Plaque index)  /  – GI (Gingival index)  /  PD (Pocket depth) : Buccal (B), Mesial (M), Distal (D), Palatal (P)
  • Prosthetic evaluation / Crown – Implant ration (C/I ratio) /  – Opposite occlusal arch status  /  Occlusal gap : Controlled by Shimstock (8 ) and Acufilm (27 ) articulating paper



Chart Result Comparative Study


Within this limitation of short-term evaluation, we achieved favorable clinical results as follows that tapered implants with SA surface can be used as which is placed at maxillary posterior area and followed 3-months loading protocol.


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