Repositioning of inferior alveolar nerve and implant placement in atrophic mandible -How far justified?

Biswas, Biswajit; Das, Biswajit; Chakrabarty, Anindya

doi:10.18231/j.jooo.2019.026

Cited by 1 publication

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“…They recommended to place it passively, without any fixation. (12) Among the modifications done in search for a way to minimize the post-surgical neurosensory complications is the adjuvant use of regenerative techniques. Recently, it has been reported the promising effects of growth factors on promoting nerve regeneration and healing.…”

Section: Introductionmentioning

confidence: 99%

Computer Guided Inferior Alveolar Nerve Larteralization After Repositioning of the Bone Window Versus Sticky Bone Augmentation (A Randomized Clinical Trial)

Metawie

Prince

Fahmy

et al. 2022

Alexandria Dental Journal

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INTRODUCTION:Atrophy of the posterior mandible present a challenge due to the existence of inferior alveolar nerve. Nerve lateralization is one of the options that allow placement of the implants without augmentation. Modifications to decrease the incidence of neurosensory disturbances has been attempted. OBJECTIVES: The primary outcome was to evaluate the recovery of the sensation following computer guided nerve lateralization with two modifications. In addition, implant success was secondarily evaluated. MATERIALS AND METHODS:A randomized clinical trial conducted on a sample of twenty patients. Ten were treated via computer guided lateralization with repositioning the osteotomy window. The other ten via computer guided nerve lateralization with sticky bone augmentation around the implants and the nerve. Postoperative patient evaluation was performed with specific attention paid towards objective and subjective testing of the neurosensory disturbance following surgery as well as implant clinical and radiographic success. RESULTS: All patients in both groups reported neurosensory disturbance as revealed by subjective and objective testing which were all temporary with 100% recovery after 6 months regardless of whether the window was placed or grafting around the implant with sticky bone. Clinical and radiographic evaluation of implants revealed success in terms of implant stability, probing depth, bleeding on probing. CONCLUSION: Neurosensory recovery and Implant success is observed whether sticky bone is used around the implant or after repositioning the bone window. Blink reflex is a useful objective non-invasive modality. Professionals should be aware that the technique is very sensitive and requires gentle manipulation and good experience of the anatomy in order to avoid permanent damage to the nerve.

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Section: Introductionmentioning

confidence: 99%