Oklahoma Substantial Erosion of Parent-Child Relationship is a legal term used in the state of Oklahoma to refer to the breakdown of a parent-child relationship to a point where the child's safety, welfare, and health are threatened. This can include anything from physical, emotional, or sexual abuse to neglect or abandonment of the child. It also includes any situation in which the parent has failed to provide the child with necessary basic needs, such as food, shelter, clothing, or medical care. There are three main types of Oklahoma Substantial Erosion of Parent-Child Relationship: 1. Physical Abuse: This includes any physical contact that is intended to cause injury or harm to the child. 2. Emotional Abuse: This includes any behavior that is intended to cause psychological or emotional pain or distress to the child. 3. Neglect: This includes any failure to provide the child with the necessities, such as food, shelter, clothing, or medical care. In Oklahoma, Substantial Erosion of Parent-Child Relationship can be grounds for a court to terminate the parental rights of the parent in question.