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Avances en Odontoestomatología

versión On-line ISSN 2340-3152versión impresa ISSN 0213-1285


GIL GONZALEZ, J et al. Long-term clinical efficacy of implants with internal connection and sandblasted-acid-etched surface. Av Odontoestomatol [online]. 2021, vol.37, n.1, pp.11-18.  Epub 05-Dic-2022. ISSN 2340-3152.


Implant dentistry constitute an important option in the prosthodontic treatment of patients with partial and total tooth loss. This long-term study reports the evaluation of patients treated by early loading of implants with internal connection and sandblasted-acidetched surface.


40 patients with tooth loss were treated with Frontier GMI ® sandblasted and acid-etched surface implants. Implants were loaded after a healing free-loading period of 6 weeks (mandible) and 8 weeks (maxilla). Clinical findings (implants and prosthodontics) were followed during at least 6 years.


103 implants were inserted (46 maxillary (44.7%), and 57 mandibular (55.3%)) for prosthodontic rehabilitation. 37 implants (35.9%) were inserted in anterior sites and 66 implant (64.1%) in posterior sites. Seventy implants (68%) were placed submerged (two stages) while that 33 implants (32%) were placed nonsubmerged (one stage). After at a mean follow-up of 92.2 months, clinical results indicate a survival rate of implants of 96.2%. Four implants were lost during the treatment. Mean marginal bone loss were 0.99 ± 0.84 mm. Prosthodontic restorations included 31 single crowns, 15 fixed bridges, 5 overdentures, 2 fixed totally rehabilitation and an hybrid full rehabilitation. Delayed complications include 11 implants (10.7%) with peri-implantitis and 6 prostheses (11.1%) with technical complications.


Clinical results of this study indicate that prosthodontic rehabilitation by early loading of internal connection and sandblasted and etched- implants can be a successful dental treatment.

Palabras clave : Dental implants; sandblasted and acid-etched surface; internal connection; early loading; osseointegration; implant dentistry.

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