Primary study · included by 1 review

Influence of Implant-Tooth Proximity on Incidence of Caries in Teeth Adjacent to Implants in Molar Sites: A Retrospective Radiographic Analysis of 300 Consecutive Implants.

Smith 2021 · Smith Richard B, Rawdin Samantha B, Kagan Victor · Compendium of continuing education in dentistry (Jamesburg, N.J. : 1995) · 2020

Included by

The Clinical Impact of Dental Implant Placement in Close Proximity to Natural Teeth: A Systematic Review and Meta-Analysis.
Non-Cochrane · intervention · 2025 · cited as Smith 2020 · References 9-19; Tables 1-2; Figure 2
Outcome this study informsPooled effectEvidenceCertainty
Any proximity-related clinical or radiographic complication (composite)
Implants placed within 1.5 mm of an adjacent natural tooth or in direct contact with the root surface vs Implants placed at or beyond the recommended 1.5 mm distance · Follow-up 6 to 75 months
Proportion 0.12 [0.05, 0.22]8 studies · 1898 participantsLow
Implants showing any proximity-related clinical or radiographic alteration
Implants placed within 1.5 mm of an adjacent natural tooth or in direct contact with the root surface vs Implants placed at or beyond the recommended 1.5 mm distance · Follow-up 6 to 75 months
Proportion (text-reported) 0.58 [0.55, 0.62]NRLow
Any proximity-related clinical or radiographic complication (composite)
Implants placed within 1.5 mm of an adjacent natural tooth or in direct contact with the root surface vs Implants placed at or beyond the recommended 1.5 mm distance · Follow-up 6 to 75 months
Effect size (as reported) 0.11 [0.03, 0.22]NRLow

1 including review in total.