Peri-implant marginal bone stability remains a major determinant of long-term implant success, yet clinical studies report early marginal bone changes ranging from near-stable conditions in some protocols to approximately 1–2 mm during the first year in more traditional series, underscoring considerable biological variability. In the present review, a remodeling-dominant state refers to turnover-led peri-implant adaptation with limited net cortical gain, whereas modeling-driven apposition refers to uncoupled surface bone addition and cortical reinforcement. We conducted a structured narrative review of PubMed/MEDLINE, Scopus, and Web of Science for literature published between 2000 and February 2026 and qualitatively synthesized direct peri-implant evidence, craniofacial/oral non-implant evidence, and extrapolative mechanobiology from long-bone and systemic models. The available literature supports osteocyte-centered SOST/Wnt regulation as biologically plausible for peri-implant cortical adaptation; however, direct human peri-implant molecular validation remains limited. Based on this synthesis, we propose a hypothesis-generating framework in which mechanical signal profile, microenvironmental stability, and host-related factors influence the probability of transition from a remodeling-dominant to a modeling-dominant peri-implant state. This framework should therefore be interpreted as a testable conceptual model rather than a validated peri-implant mechanism. Its main value lies in organizing current evidence and defining priorities for translational studies that integrate molecular, imaging, and biomechanical endpoints.
Kuc et al. (Wed,) studied this question.
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