“…Other treatments were also prescribed for oral symptoms or as prophylactic treatment against dental caries, ranging from bromhexine [ 18 ], sodium fluoride topical treatment for enamel protection [ 35 , 45 ], fluoride varnish for dental caries [ 31 ], artificial saliva [ 37 , 50 ] and oral mucolytic treatment [ 42 ], with evidence of overall benefit, with the exception of oral bromhexine, for which the outcome of treatment was not specified [ 18 ].…”