Give the Relationship between Head-gear Force and Tooth Movement
The relationship between the headgear’s resultant force and the tooth’s centre of resistance determines the direction of force on the molars. If the resultant force passes below the centre of resistance, the maxillary molar crown will tip distally. If the resultant force passes above the centre of resistance, the maxillary molar root will tip distally. Finally, if the resultant force passes directly through the tooth’s centre of resistance, translation of the tooth will occur. Cervical-pull and high-pull headgears produce different effects and are there for prescribed based on which resultant force the clinician desires
The Relationship between Head-gear Force and Tooth Movement may be associated with compliance when headgear use, which depends on the patient.
The nature of the planned correction in dentistry ought to be influenced by the age (chronological age (CA) and dental age (DA)) and the sex of the patient.
It is important to establish a novel method for evaluating orthodontic tooth movement in three-dimensional (3-D) space and to be aware of the different possible types of movements when planning treatment to account for desired and undesired tooth movements.
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