diff --git a/Mesh_3/include/CGAL/Mesh_3/Slivers_exuder.h b/Mesh_3/include/CGAL/Mesh_3/Slivers_exuder.h
index 8254c7339a8..64e2a99e20d 100644
--- a/Mesh_3/include/CGAL/Mesh_3/Slivers_exuder.h
+++ b/Mesh_3/include/CGAL/Mesh_3/Slivers_exuder.h
@@ -179,7 +179,7 @@ public: // methods
   }
   
 #ifdef CGAL_MESH_3_VERBOSE  
-  void print_stats(const double sliver_bound = 0.25) const;
+  void print_stats(const double sliver_bound = SliverCriteria::default_value) const;
 #endif // CGAL_MESH_3_VERBOSE  
   
 private:
@@ -517,8 +517,10 @@ pump_vertices(double sliver_criterion_limit)
         
         ++num_of_treated_vertices_;
       }
+#ifdef CGAL_MESH_3_VERBOSE
       else
         std::cerr << "s"; // vertex is on a surface
+#endif // CGAL_MESH_3_VERBOSE 
     }
     
     // if the tet could not be deleted
diff --git a/Mesh_3/include/CGAL/Mesh_3/sliver_criteria.h b/Mesh_3/include/CGAL/Mesh_3/sliver_criteria.h
index 6d3479d0ec9..9f1d04b8a09 100644
--- a/Mesh_3/include/CGAL/Mesh_3/sliver_criteria.h
+++ b/Mesh_3/include/CGAL/Mesh_3/sliver_criteria.h
@@ -47,7 +47,7 @@ public:
   
 };
 
-template<typename K> double Min_dihedral_angle_criterion<K>::default_value = 20.; 
+template<typename K> double Min_dihedral_angle_criterion<K>::default_value = 25.; 
 
   
 template <typename K>
@@ -65,7 +65,7 @@ public:
   
 };
 
-template<typename K> double Radius_radio_criterion<K>::default_value = 0.2; 
+template<typename K> double Radius_radio_criterion<K>::default_value = 0.25; 
   
   
   
diff --git a/Mesh_3/include/CGAL/refine_mesh_3.h b/Mesh_3/include/CGAL/refine_mesh_3.h
index be2233f2d08..b4db888ba5a 100644
--- a/Mesh_3/include/CGAL/refine_mesh_3.h
+++ b/Mesh_3/include/CGAL/refine_mesh_3.h
@@ -40,9 +40,6 @@ void refine_mesh_3(C3T3& c3t3,
 {
   typedef Mesh_3::Mesher_3<C3T3, MeshCriteria, MeshDomain> Mesher;
   typedef typename C3T3::Triangulation::Geom_traits Gt;
-  typedef Mesh_3::Min_dihedral_angle_criterion<Gt> Sliver_criterion;
-  //typedef Mesh_3::Radius_radio_criterion<Gt> Sliver_criterion;
-  typedef typename Mesh_3::Slivers_exuder<C3T3, Sliver_criterion> Exuder;
   
   // Build mesher and launch refinement process
   Mesher mesher (c3t3, domain, criteria);
@@ -51,16 +48,20 @@ void refine_mesh_3(C3T3& c3t3,
   // Exudation
   if ( exude )
   {
+    typedef Mesh_3::Min_dihedral_angle_criterion<Gt> Sliver_criterion;
+    //typedef Mesh_3::Radius_radio_criterion<Gt> Sliver_criterion;
+    typedef typename Mesh_3::Slivers_exuder<C3T3, Sliver_criterion> Exuder;
+    
     Exuder exuder(c3t3);
   
 #ifdef CGAL_MESH_3_VERBOSE
-    exuder.print_stats(10);
+    exuder.print_stats();
 #endif // CGAL_MESH_3_VERBOSE
   
     exuder.pump_vertices();
   
 #ifdef CGAL_MESH_3_VERBOSE
-    exuder.print_stats(10);
+    exuder.print_stats();
 #endif // CGAL_MESH_3_VERBOSE
   }