References
- Van Beek H. Combination headgear-activator. J Clin Orthod 1984; 18: 185-189.
- Hasund A. The use of activator in a system employing fixed appliances. Trans Eur Orthod Soc 1969: 329-341.
- Hollender L, Ronnerman A, Thilander B. Root resorption. marginal bone support and clinical crown length in orthodontically treated patients. Eur J Orthod 1980; 2: 197-205
- Meller SM. Severe dental Class II patient treated by activator followed by headgear therapy - a case report. Am J Orthod and Dentofac Orthop 1994; 106: 1-9.
- Pancherz H. The Herbst appliance - Its biologic effects and clinical use. Am J Orthod 1985; 87: 1-20.
- Pfeiffer JP, Groberty D. Simultaneous use of cervical appliance and activator. Am J Orthod 1972; 61: 353-373.
- Sjölien T, Zachrisson BU. Periodontal bone support and tooth length in orthodontically treated and untreated persons. Am J Orthod 1973: 64: 28-37.
- Stöckli PW, Teuscher UM. Combined activator headgear orthopedics. Graber TM. Vanarsdall Jr RL, editors. In: Orthodontics Current Principles and Techniques. St. Louis: C.V. Mosby. 1994: 437-506.
- Teuscher UM. A growth-related concept for skeletal Class II treatment. AmJ Orthod 1973: 64: 28-37
- Yokota S, Murakami T, Shimizu K. A growth control approach to Class II, Division 1 cases during puberty involving the simultaneous application of maxillary growth restriction and mandibular forward induction. Am J Orthod and Dentofac Orthop 1993: 104: 211-223.