Orthodontics

Types of Springs In orthodontics, various types of springs are utilized to achieve specific tooth movements. Each type of spring has unique characteristics and applications. Below are a few examples of commonly used springs in orthodontic appliances: 1. Finger Spring Construction: Made from 0.5 mm stainless steel wire. Components: Helix: 2 mm in diameter. Active Arm: The part that exerts force on the tooth. Retentive Arm: Helps retain the …

Untitled 1 Growth and Development Growth is the increase in size It may also be defined as the normal  change in the amount of living substance. eg. Growth is the quantitative aspect and measures in units of increase per unit of time. Development It is the progress towards maturity (Todd). Development may be defined as natural sequential series of events between fertilization of ovum and adult stage. Maturation It is a period of stabilization…

CVMI: Lamparski (1972); modified by Hassal & Farman Vertebrae studied: C2, C3, C4 Hand-wrist bones: 30 Catenary curve: Used for customized arch wires Brader arch form: Trifocal ellipse…

BONES OF THE SKULL   A) Bones of the cranial base:      A)  Fontal  (1)      B)  Ethmoid  (1)           C)  Sphenoid (1)       D)  Occipital  (1)      B) Bones of the cranial vault:           1. Parietal (2)                  2. Temporal…

Wayne A. Bolton Analysis  Wayne A. Bolton's analysis, which is a critical tool in orthodontics for assessing the relationship between the sizes of maxillary and mandibular teeth. This analysis aids in making informed decisions regarding tooth extractions and achieving optimal dental alignment. Key Concepts Importance of Bolton's Analysis Tooth Material Ratio: Bolton emphasized that the extraction of one or more teeth should be based on the ratio of t…