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Retrospective analysis of neurosensory disturbances related to dental implant placement in mandibular interforaminal region
(Erciyes University, 2021) Kütük, Nükhet; Topan, Cihan; Demirbaş, Ahmet Emin; Alkan, Alper
The aim of this study is to evaluate the risk of neurosensory disturbances resulting from the injury of the anterior loop of the inferior alveolar nerve (IAN) in dental implant surgery with panoramic radiography. Panoramic radiographs of 1614 consecutive patients treated with dental implants were examined, and patients with implants located at a distance less than 5 mm to the mental foramen were recorded. Paresthesia, anesthesia, neuropathic pain was investigated retrospectively. In 405 patients, the implants were located in a distance less than 5 mm to the mental foramen. A range of 0.6 mm to 5 mm distance was detected between the mental foramen and these dental implants. No patient complained of bilateral paresthesia. In five (2.06%) of the 242 regions, it was found that patients had permanent unilateral paresthesia in their lower lips. In conclusion, panoramic radiography is not an entirely reliable imaging method for dental implant planning in the interforaminal region. Methods that are more sophisticated may be required to assess the risk of neurosensory disorder before treatment.