I haven't noticed any effects the toothy wrappers had on the taste. For me, it is only something that is aesthetically pleasing when the wrapper burns. I just assumed that a toothy wrapper generally indicates a higher quality wrapper which leads to better taste.
"Toothy," as opposed to "toothsome," which means tasty, or flavorful, refers to a leaf that is more coarse in texture; often used when referring to Maduro and Cameroon wrappers, which are naturally "toothier."
"Cuban seed tobaccos grown in Nicaragua and Cuba. The wrapper would be from Cuba. The binder leaves would be from Nicaragua. For the ligero tobacco in the filler, he would use two types, one from Esteli and the other from Jalapa in Nicaragua. The other filler components, seco and viso, would come from Cuba, the former from Villa Clara, the latter from Pinar del Rio. That Cigar, he says with pride, would score 100 points." -Don Pepin Garcia
