aw bones revisited using high-resolution ic resonance imagingР组织形态РNeurovascularization of the anterior jaw bones revisited using high-resolution ic resonance imagingРMorphology of the nasopalatine canal and dental implant surgery: a radiographic analysis of 100 consecutive patients using limited cone-puted tomographyР并发症РPlacement of implants with invading into the NPC may lead to direct contact of the implant with connective tissue and cause a series plications, including hemorrhage during operation, short term sensory disturbance postoperatively, non-osseointegration of implant and nasopalatine duct cyst formationРRelationship of central incisor implant placement to the ridge configuration anterior to the nasopalatine canal in dentate and partially edentulous individuals: parative study