Accuracy of Computer-Assisted Template-Based Implant Placement Using Two Different Surgical Templates Designed with or without Metallic Sleeves: A Randomized Controlled Trial.

In the horizontal plan (mesio-distal), the mean error was 0.87 ± 0.62 mm (range 0.2–2.53 mm; 95% CI 0.45 to 1.05 mm) with open sleeves and 0.51 ± 0.38 mm (range 0.05–1.7 mm; 95% CI 0.29 to 0.55 mm) with closed sleeves; the difference was slightly significant ( p = 0.0477).

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