CBCT-Based Safety Distance for Implant Placement Near the Inferior Alveolar Canal
Trial statusNot yet recruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age21+
SponsorCairo University
About this trial
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.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
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).
Disqualifiers
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).
Trial population
The study population consisted of adult patients with available CBCT scans, retrospectively evaluated for implant-related anatomical assessment in the region of the inferior alveolar canal.
Trial design
Design model
Cohort
Time perspective
Retrospective
Treatments tested in this trial
nerve approximation group
Other interventionimplants placed with distance more than 2 mm from the inferior alveolar canal
Treatment groups
100 Participants
are divided into 2 treatment groupsGroup A: implants placed more than 2mm from the inferior alveolar canal1 intervention
Group B: Implant proximity < 2 mm0 interventions
Trial outcomes
Primary outcomes
1
Neurosensory outcome
presence/absence of neurosensory changes after implant placement, classified as reported in records (none, paresthesia, anesthesia, dysesthesia, neuralgia)
Time frame
6 monthsLocations
Sponsors and contacts
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Source ClinicalTrials.gov
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