/**
  * Remove the specified resource from storage.
  *
  * @param  int $id
  * @return \Illuminate\Http\Response
  */
 public function destroy($pid, $tno)
 {
     $res = Dental::whereTNO($tno);
     $res->delete();
     flash()->success('Result deleted.');
     return redirect('records/' . $pid . '/dental');
 }