Interventions for replacing missing teeth: implant placement at different levels in relation to crestal bone

摘要

This is a protocol for a Cochrane Review (Intervention). The objectives are as follows:To determine the effects of root‐formed osseointegrated dental implants placed at different levels in relation to the alveolar crest (crestal, subcrestal, or supracrestal) for replacing teeth on aesthetics, marginal bone level, implant and prosthetic failures.