Dimensional Changes in Single Crowns Supported by Short Transmucosal Implants With Diverging or Converging Neck Profiles in the Esthetic Zone

The goal of the present randomized clinical trial is to assess the long-term osseous and peri-implant soft tissue changes as well as the success rate of short implants (6 mm) with a converging collar with micro threads or a diverging polished collar placed in the esthetic zone of the maxilla on partially edentulous patients. The main questions it aims to answer are: * what are the long-term bone and soft tissue changes around implants with a converging collar with micro threads compared to a diverging polished collar placed in the esthetic zone of the maxilla? * What is the success rate of implants with a converging collar with micro threads compared to a diverging polished collar placed in the esthetic zone of the maxilla? Dental implants with a converging collar with micro threads or a diverging polished collar will be placed in the esthetic zone of the maxilla of the included participants and the measurements regarding the bone and soft tissue level will be compared.

NCT Number	NCT06006156
Lead Sponsor	ARDEC Academy Collaborators: Universidad Nacional de Trujillo
Conditions	Edentulous Alveolar Ridge
Enrollment	20 participants
Start Date	2023-04-01
Primary Completion	2025-09-30 (estimated)
Study Completion	2026-12-30 (estimated)
Updated on ClinicalTrials.gov	2025-11-17