Study Year of
publication		 Diagnostic evidence Follow-up Number of
patients treated
Studies regarding risk factors associated with IANI
Xu et al. [22] 2013 Patient’s reporting + Neurosensory testing 6 months 318
Kim et al. [23] 2012 Patient’s reporting + Neurosensory testing + Radiographic 2 years 12,842
Jerjes et al. [47] 2010 Patient’s reporting 2 years 3236
Kjolle et al. [48] 2013 Patient’s reporting + Neurosensory testing 5 years 884
Guerrouani et al. [49] 2013 Patient’s reporting 6 months 2112
Studies regarding the influence of radiographic techniques before M3 extraction
Smith [21] 2013 Patient’s reporting + Neurosensory testing 2 years 1000
Neves et al. [33] 2012 Patient’s reporting + Neurosensory testing 6 months 33
Nakayama et al. [35] 2009 Patient’s reporting Over 6 months 1539
Hasegawa et al. [36] 2013 Patient’s reporting + Neurosensory testing 6 months 295
Ghaeminia et al. [43] 2009 Patient’s reporting + Neurosensory testing 6 months 40
Studies regarding alternative methods of mandibular M3 extraction
Landi et al. [50] 2010 Patient’s reporting + Radiographic 2 years 9
Wang et al. [52] 2012 Patient’s reporting+ Radiographic - 40
Dolanmaz et al. [56] 2009 Patient’s reporting + Radiographic 4 years 43
Study regarding recovery of IANI
Bhat et al. [43] 2012 Patient’s reporting + Neurosensory testing 6 months 400

IANI = inferior alveolar nerve injury; M3 = third molar.