Fig. 6
From: Expert consensus on orthodontic treatment of patients with periodontal disease
Utility of 3D-printed lingual retainer in an orthodontic patient with controlled periodontitis. a–c Digital design a and photographs of the 3D-printed mandibular lingual retainer with smooth lingual surface b and mesh base for bonding c. d Intraoral view of the retainer bonded to teeth 34–44
