Periodontal indexes of two types of 3 x 3 retainers: 0.032-in SS V-loop versus 0.0215-in SS coaxial - a randomized crossover trial.
Diogo Marques SapataCleverson de Oliveira E SilvaRenata Correa PascottoThais Maria Freire Fernandes PoletiMaristela Sayuri Inoue AraiAdilson Luiz RamosPublished in: Dental press journal of orthodontics (2024)
V-Loop retainer showed higher PI (p<0.05), higher bonding failure rate and less comfortable, as compared to conventional 0.0215-in coaxial wire.