Table 2.

Details of treatment and outcome parameter.

Author and year	treatment modality	laser wavelength	duration	dosimetry &protocol	follow up	Result	Conclusion
Renato Pol, 2016	LLLT	904–910	10 sessions	GaAs diode laser	Up to 10 weeks	A statistical significant difference (P = 0.0340) in VAS postoperatively. A recovery was observed in patients with permanent paresthesia (>6 months) (P < 0.05).	Positive neurosensory improvement in patient with inferior alveolar nerve paresthesia
Tuncer Ozen, 2006	LLLT	820-to-830	39 days	Plus GaAlAs diode	Mean 13.5	A significant improvement in the assessment of the degree of neurosensory deficit (p = 0,02). A statistical significant improvement in the brush stroke directional discrimination test for fine touch and direction sense (p = 0.01).	Positive subjective and objective improvement in long standing neurosensory deficit.
SHELLEY M. KHULLAR, 1996	LLLT	820	36–69 days.	GaAIAs laser	Up to 63 days	A significant improvement in mechanoreceptor sensory testing subsequent to laser treatment (P = 0.01).	Positive improvement of mechanoreceptor perception in long-standing neurosensory deficit of IAN
SHELLEY M. KHULLAR, 1996	LLLT	820	20–63 days	GaAIAs	2 years	A positive significant improvement in the subjective assessment lip (p = 0.01) and chin (p = 0.02). Furthermore, a significant decrease in the area of mechanoperception neurosensory deficit (p = 0.01)	Positive subjective and objective improvement of neurosensory deficit
PETER G. MOZSARY, 1984	Microsurgeery	NA	NA	NA	Up to one year	sensation recovery was observed at 5 months postoperatively while full sensation recovery was observed at 9 months.	Nerve repair can be carried out successfully after more than a year.
Hillerup S.2008	Microsurgery	NA	NA	NA	12 months	A positive significant improvement in two-point discrimination thresholds was observed (p < 0.001.)	Favourable neurosensory recovery after microsurgery repair