The document discusses sedation and pain control in dentistry. It provides information on various pre-operative, intra-operative, and post-operative pain management strategies. For the case of Sarah, who is experiencing severe pain from irreversible pulpitis and will undergo a root canal procedure, the document states she may experience some post-procedure pain due to continued periapical inflammation but can be treated with analgesics. The document emphasizes using the right analgesic for the right type of pain and accurate diagnosis in developing a pain management schema.