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BACKGROUND: Narrow diameter implants (NDIs; diameter 13 mm) and larger (3.4 and 3.5 mm) NDIs reduced MBL. CONCLUSIONS: NDIs have a high SRR and SCR, similar to those reported in previous studies of regular diameter implants. Moreover, IRWL of NDIs is a reliable procedure, although a slightly higher bone resorption is reported compared to delayed loading. No implant fractures were detected in the present series.
Degidi et al. (Mon,) studied this question.