# Evaluation of Dental Implants Placed in Preserved and Non-preserved Post-extraction Ridges

> **NCT03715439** · — · WITHDRAWN · sponsor: **Rio de Janeiro State University**

## Conditions studied

- Dental Implant Failed
- Platelet-rich Fibrin
- Alveolar Rege Preservation
- Alveolar Bone Loss

## Interventions

- **DEVICE:** Dental implant

## Key facts

- **NCT ID:** NCT03715439
- **Lead sponsor:** Rio de Janeiro State University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2018-11-13
- **Primary completion:** 2020-07-01
- **Final completion:** 2024-07-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Duo to pandemic period (COVID) the surgical elective procedures were stopped
- **Last updated:** 2022-06-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03715439

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03715439, "Evaluation of Dental Implants Placed in Preserved and Non-preserved Post-extraction Ridges". Retrieved via AI Analytics 2026-09-27 from https://api.ai-analytics.org/clinical/NCT03715439. Licensed CC0.

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