An important corollary of the theorem is that at most one nontrivial Dehn surgery (+1 or −1) on a knot can result in a simply-connected 3-manifold.
Surgery | surgery | Coronary artery bypass surgery | plastic surgery | Orthopedic surgery | Plastic surgery | Bachelor of Medicine, Bachelor of Surgery | Cardiothoracic surgery | Oral and maxillofacial surgery | Craniofacial surgery | Tommy John surgery | Telepathic Surgery | Plastic Surgery | Pediatric Surgery | Bachelor of Surgery | Reconstructive surgery | Pediatric surgery | Megan Dehn | Journal of Bone and Joint Surgery | Eye surgery | Ethicon Endo-Surgery | Vascular surgery | University of Santo Tomas Faculty of Medicine and Surgery | Paul Dehn | orthopedic surgery | oral and maxillofacial surgery | Microfracture surgery | Dental Surgery | Baltimore College of Dental Surgery | Bachelor of Medicine/Bachelor of Surgery |