Authors Number of patients
(n = 157)		 Time of treatment Type of treatment Outcome
Khawaja et al. [5] Case 1 17.5 h postsurgery Medicamental +
implant removal 		Markedly improved sensation
(6 weeks post treatment)
Case 2 24 h postsurgery Implant removal Markedly improved sensation
(2 month post treatment)
Case 3 48 h postsurgery Implant removal No improvements in sensation
(significant altered sensation)
Case 4 96 h postsurgery Implant removal No improvements in sensation
(significant altered sensation)
Renton et al. [12] 3 patients < 30 h Implant removal Full recovery
10 patient 3 days - 6 months Implant removal No recovery
17 patients Not mentioned Medicamental treamtent No recovery
Biasiotta et al. [19] 37 patients - - -
Deppe et al. [31] 2 patients Immediately
following operation		 Medicamental Full recovery
Kubilius et al. [32] Mild injury:
38 patients 		48 h postsurgery 14 patients:
no treatment 		Full recovery of function
within 1 - 4 weeks
24 patients:
medicamental treatment
Moderate injury:
20 patients 		48 h postsurgery Medicamental treatment Full recovery of function
within 1 - 1.5 month
7 patients 48 - 72 h postsurgery Medicamental treatment +
mandible canal
decompression 		Full recovery of function
within 2 - 3 days
Severe injury:
3 patients 		More than one week
after surgery		 Medicamental treatment +
removal of implant 		No recovery at all
Juodzbalys et al. [33] Mild injury:
5 patients 		36 h post operation Medicamental treatment +
removal of implant
(only for 3 of them) 		Full recovery of function
after 1 month
Moderate injury:
5 patients 		36 h post operation Medicamental treatment +
removal of implant 		Almost full recovery of function
after 3 month
Severe injury:
6 patients 		36 h post operation Medicamental treatment +
removal of implant 		Not full recovery of function