#24 & #25 previously treated with symptomatic apical periodontitis. After reviewing all tx options, the patient opted for surgery. He was very concerned about the crowns chipping and wanted to keep them intact. Those tiny incisors will go through some structural compromise with Orthograde retx, it will be ideal to retx first. But I think surgery is a good option too. Full thickness flap, after resection and staining you can see the untreated portion of this wide oval canal system, which is the potential cause of post treatment disease. Indirect US retroprep is key especially with this degree of resection. BC Putty for retrofill. Happy with the result and how this one turned out. Now we should monitor for healing.