On July 30th our Guru, Professor Doctor Guilherme Janson left us prematurely. The Ortho Science magazine could not fail to pay tribute to the greatest Brazilian orthodontic researcher and frequent contributor to the magazine. Three people very close to Dr. Guilherme were invited to write this tribute. As a former student and personal friend I […]
![Special Editorial – Tribute to Dr. Guilherme Janson Special Editorial – Tribute to Dr. Guilherme Janson](https://editoraplena.com.br/wp-content/uploads/2021/10/janson-reduzida.jpeg)