Abstract: Barodontalgia is the oral (dental or non dental) pain due to changes in the barometric pressure. With the increase in the number of pilots, SCUBA divers, air passengers , may encounter related oral conditions as they are more subjected to changes in pressure. This is not a pathological condition but a symptom. The common pathologies include faulty restorations, caries , periapical inflammation. This article reviews the etiology, pathogenesis, diagnosis and prevention pertaining to Barodontalgia.