Table 2: Comparison between initial (first scan) and last (second scan) length of palatal rugae based on dental situations.

   Cadavers with Conservative Restorations Initial Length Last Length
   N 2 2
   Mean 8,4050 8,0950
   SD 0,0071 0,4172
   t 1,0507 -
   df 2 -
   P (significativity level) 0,4036 -
   Cadavers with Conservative/Prosthetic restorations Initial length Last length
   N 5 5
   Mean 8,5000 8,1340
   SD 0,1356 0,2867
   t 2,5805 -
   df 8 -
   P (significativity level) 0,0326 -
   Cadavers with prosthetic restorations Initial length Last length
   N 6 6
   Mean 8,4600 8,1683
   SD 0,1517 0,2743
   t    2,2797 -
   df 10 -
   P (significativity level) 0,0458 -
   Cadavers with no rehabilitations    Initial length Last length
   N 6 6
   Mean 8,3800 8,1550
   SD 0,1131 0,2192
   t 1,2899 -
   df 10 -
   P (significativity level)    0,3261 -
   Edentolous cadavers Initial length Last length
   N 4 4
   Mean    8,4675 8,2825
   SD 0,1688 0,1948
   t 2,4861 -
   Df 6 -
   P (significativity level) 0,0210 -