Abstract
Patient: The patient was a 59-year-old female with the chief complaint of chewing difficulty due to instability of removable partial dentures. The partially edentulous arches with non-vertical stop occlusion lacking all tooth contacts (Eichner C1) after extraction of unsalvageable teeth were restored with a mandibular conical crown-retained partial denture and a maxillary clasp-retained removable partial denture.
Discussion: Chewing ability was improved and high patient satisfaction was achieved after the prosthetic treatments using a conical crown-retained partial denture for the mandible in which a traditional clasp-retained removable partial denture would not provide sufficient denture stability. Occlusal position and denture stability were maintained at 3 years after treatment.
Conclusion: A combination of a mandibular conical crown-retained partial denture and a maxillary clasp-retained partial denture is effective for prosthetic restoration in patients with non-vertical stop occlusion.