True or False: Greater proclination of lower incisors is found in the Herbst group with incremental advancement as opposed to the max advancement group.

The statement that greater proclination of lower incisors is found in the Herbst group with incremental advancement as opposed to the max advancement group is correct. This phenomenon can be attributed to the orthodontic mechanics involved in the Herbst appliance's design and function.

The Herbst appliance is used primarily in growing patients with Class II malocclusions, promoting mandibular advancement. When incremental advancement of the appliance is employed, it often leads to a more gradual and controlled movement of the mandible. As the mandible advances, there's a corresponding proclination of the lower incisors, which occurs due to the repositioning of the lower jaw and the resulting orthodontic movements.

In contrast, when comparing to techniques that would advance the mandible maximally without gradual increments, the proclination of the lower incisors may be less pronounced or occur in a different manner. This is because more aggressive advancements can result in different patterns of dental and skeletal adaptation, thereby affecting the extent of incisor proclination.

Overall, understanding the mechanics behind different orthodontic appliances and their specific effects on tooth positioning is crucial for effective treatment planning and execution in orthodontics.