Onset of  manifestation Diagnosis  of MS made Oro facial manifestation And number Percentage Number
Before diagnosis TN N1=53 24.50% 13
First sign 5.70% 3
After diagnosis 69.80% 37
Before diagnosis FP N2=61 24.60% 15
First sign 13.10% 8
After diagnosis 62.30% 38
Before diagnosis TMD N3=57 38.60% 22
First sign 0% 0
After diagnosis 61.40% 35
Before diagnosis Dysphagia N4=84 8.30% 7
First sign 1.20% 1
After diagnosis 90.50% 76
Before diagnosis Dysarthria N5=177 9.60% 17
First sign 2.30% 4
After diagnosis 88.10% 156
Before diagnosis Visual Symptoms N6=318 7% 22
First sign 54% 172
After diagnosis 39% 124
Table 2: Distribution of oral manifestations of MS patients and time of onset relative to MS diagnosis.