You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Split major connector is which type of stress breaker? and explain in detail?
Split major connector (or) split lingual bar is a type II stress breaker. 
The major connector is split by an incomplete cut, parallel to the occlusal surface of the teeth into two units, namely upper and lower unit.
The denture base is connected to the lower unit and the rest and direct retainers are connected to the upper unit.