CBCT-Based Safety Distance for Implant Placement Near the Inferior Alveolar Canal

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Conditions studied: Inferior Alveolar Approximation, Implants

In brief

o evaluate the radiologic proximity of mandibular dental implants placed less than 2 mm from the inferior alveolar canal using cone-beam computed tomography (CBCT), and to determine the relationship between implant-canal distance and the occurrence of postoperative neurosensory disturbances.

Key facts

Study ID

NCT07363239

Run by

Cairo University

People needed

100

Starts

2027-01-20

Expected to finish

2027-01-30

Last updated by the study team

2026-03-19

Who can join

Age: 21 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Age ≥ 21 years.
• Implants placed in mandibular first/second premolar or molar positions (Froum et al., 2021).
• Patients without neurosensory changes following implant placement and healing (Froum et al., 2021).
• Patients with neurosensory changes after implant placement, including paresthesia, anesthesia, dysesthesia (and neuralgia where applicable) (Froum et al., 2021).

You may not qualify if…

• Incomplete records preventing outcome ascertainment (Froum et al., 2021).
• Refusal/unavailability of postoperative CBCT when clinically required for evaluation (Froum et al., 2021).
• Poor-quality CBCT scans or scatter artifacts interfering with evaluation (Froum et al., 2021).
• Contraindications for radiographs (e.g., pregnancy/breastfeeding) in cases where additional imaging would otherwise be clinically required (Froum et al., 2021).
• Implants placed after mental foramen

Full record on ClinicalTrials.gov

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