Orthodontics

Concept Detail Minimum anchorage 75% molar protraction Absolute anchorage Mini-implants, cortical plates Intermaxillary anchorage Baker's anchorage Center of resistance (molar) Furcation Center of resistance (6 maxillary anteriors) Between lateral incisor & canine Tooth movement force (tipping) 35 – 60g Maximum orthodontic retraction 7 mm Maximum ortho…

Class Spacing Crowding Risk in Permanent Dentition I Crowded 10/10 II No spaces 7/10 III 3 mm spacing 5/10 IV 3 – 6 mm spacing 2/10 V >6 mm spacing None…

Mouth Breathing Mouth breathing is a condition where an individual breathes primarily through the mouth instead of the nose. This habit can lead to various dental, facial, and health issues, particularly in children. The etiology of mouth breathing is often related to nasal obstruction, and it can have significant clinical features and consequences. Etiology Nasal Obstruction: Approximately 85% of mouth breathers suffer from some degree of nasa…

Anchorage in orthodontics refers to the resistance to unwanted tooth movement during orthodontic treatment. It is a critical concept that helps orthodontists achieve desired tooth movements while preventing adjacent teeth or the entire dental arch from shifting. Proper anchorage is essential for effective treatment planning and execution, especially in complex cases where multiple teeth need to be moved simultaneously. Types of Anchorage Absolute A…