PPE: a coin with two sides Sir, in order to provide safe dental services, the NHS recommends strict personal protective equipment (PPE) which includes N95 (FFP2) respirator, impermeable full sleeved gown and face shield.1 Recently, additional literature has suggested that these strict PPE requirements impair the technical and non-technical skills of health professionals.2 We completed a questionnaire-based study at our dental clinics in the Aga Khan University with oxygen saturation and pulse...