Tymińska, D., Jacyna, A., Cichoń-Modzelewska, A., Węgrodzka, E., Oruba, Z., Fudalej, P. S. (2026). Clinical crown height changes in mandibular anterior teeth retained with two types of fixed retainers over two years: findings from a randomized clinical trial. Scientific Reports. https://doi.org/10.1038/s41598-026-60081-0