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Medical Science Monitor Basic Research


eISSN: 1643-3750

Short Implants and Conventional Implants in The Residual Maxillary Alveolar Ridge: A 36-Month Follow-Up Observation

Jakub Hadzik, Maciej Krawiec, Paweł Kubasiewicz-Ross, Agata Prylińska-Czyżewska, Tomasz Gedrange, Marzena Dominiak

Department of Dental Surgery, Wrocław Medical University, Wrocław, Poland

Med Sci Monit 2018; 24: CLR5645-5652

DOI: 10.12659/MSM.910404

Available online:

Published: 2018-08-14


BACKGROUND: Short dental implants are considered an alternative method of treatment to the maxillary sinus elevation and bone augmentation procedure at the sites of a reduced alveolar ridge height. The aim of the study was to determine the most effective therapeutic approach for a single tooth replacement in a reduced maxillary alveolar crest.
MATERIAL AND METHODS: We enrolled 30 partially edentulous patients having a residual crestal height of 6 mm and a minimal width of the alveolar ridge of 6–7 mm: 15 patients received regular dental implants (OsseoSpeed™ L11 Ø4 mm and L13 Ø4 mm) and the implantation was preceded by the sinus lift procedure from a lateral window approach with the application of a xenogeneic bone graft, whereas the remaining 15 patients received short implants (OsseoSpeed™ L6 mm Ø4 mm) without the sinus lift and augmentation procedure. All implants were loaded with single non-splinted crowns. Radiological examination (CBCT, RVG) was performed before the surgery and after 36 months. Primary and secondary stabilization with Osstell ISQ® and Periotest® were assessed.
RESULTS: Good results in primary and secondary stability were achieved in both systems. The marginal bone level (MBL) loss was low (0.22±0.46 mm and 0.34±0.24 mm, for short and conventional implants, respectively). No significant difference in MBL between groups was found.
CONCLUSIONS: Short implants can be successfully used to support single crowns in the lateral part of the maxilla.

Keywords: Maxilla, Prostheses and Implants, Sinus floor augmentation