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Oral & Craniofacial Tissue Engineering
Oral & Craniofacial Tissue Engineering 2 (2012), No. 1     15. Mar. 2012
Oral & Craniofacial Tissue Engineering 2 (2012), No. 1  (15.03.2012)

Page 66-71

Angled Dental Implant Placement into the Vomer/Nasal Crest of Atrophic Maxillae for All-on-Four Immediate Function: A 2-Year Clinical Study of 100 Consecutive Patients
Jensen, Ole T. / Cottam, Jared R. / Ringeman, Jason L. / Graves, Stuart / Beatty, Lucas / Adams, Mark W.
Purpose: To report on the use of angled implants placed into the vomer/nasal crest to support a complete-arch maxillary prosthesis.
Materials and Methods: Consecutive patients were treated with the All-on-Four concept to restore the maxillary dentition. When bone volume in the subnasal region was inadequate, angled implants were placed into the vomer/nasal crest area to support the restoration. All implants were loaded immediately.
Results: One hundred consecutive maxillary All-on-Four patients were treated over a period of 2 years. Four hundred six implants were placed; 12 were inserted into the vomer/nasal crest area. One year later, at definitive restoration, the 12 vomer implants were found to be osseointegrated without bone loss or instability.
Conclusions: Midline maxillary bone volume at the nasal crest appeared to be a viable alternative to the lateral nasal rim when subnasal bone was deficient. Vomer implants allowed for immediate function or were sometimes used as a rescue implant when an anterior implant failed.

Keywords: All-on-Four protocol, M point, nasal crest, vomer implant, vomer/nasal crest bone mass, V point