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Volume 24 , Issue 1
January/February 2004
Pages 47–55

Biomechanical Comparison of Straight and Staggered Implant Placement Configurations

Hidemi Itoh, DDS, PhD/Angelo A. Caputo, PhD/Toshifumi Kuroe, DDS, PhD/Hiroko Nakahara, DDS, PhD

PMID: 14984145
DOI: 10.11607/prd.00.0561

The effect of buccolingual staggered implant placement on stress distribution within the supporting structure was examined photoelastically. Two photoelastic models of a human mandible, edentulous distal to the canine, were fabricated. Three screw-type implants were embedded into the edentulous region of each model. The implants were placed in a straight line in one model and in a buccolingual staggered configuration in the other. Vertical and lateral loads were applied to a fixed partial denture superstructure. No clear biomechanical advantage to a staggered 1.5 mm buccal and lingual offset placement configuration was observed. (Int J Periodontics Restorative Dent 2004;24:47–55.)

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