... University of Bari, Bari, Italy 2. Department of Odontostomatology and Surgery, University of Bari, Bari, Italy 3. Department of Oral Surgery, ICP – University of Milan, Milan, Italy Correspondence ... control studies are surely more appropriate, remaining clearly defined in any of these study inclusion and exclusion criteria adopted [14,15] Nowadays, the majority of today's clinical practice ... Medicine /Dentistry: Levels of Evidence Level Therapy/Prevention, Aetiology/Harm Prognosis Diagnosis Differential diagnosis/symptom prevalence study Economic and decision analyses 1a SR...