Abstract
Cephalometry is one of the important diagnostic tools for assessment of jaw relationship. Sagittal jaw relationship is of utmost concern to the patients and orthodontist. Many linear and angular parameters are used for measurement of sagittal jaw discrepancies. This article reviews various AP cephalometric parameters
Highlights
There are various methods used in orthodontics for treatment planning which includes clinical examination, model analysis, various radiographs like OPG, lateral cephalogram, PA cephalogram
Antero-posterior jaw relationship is of utmost concern in evaluating the type of skeletal pattern
Several studies[11,14,15,16] showed it is due to Nasion point; which is not fixed during growth that affects ANB angle
Summary
There are various methods used in orthodontics for treatment planning which includes clinical examination, model analysis, various radiographs like OPG, lateral cephalogram, PA cephalogram. There have been many parameters introduced for evaluation of sagittal and vertical discrepancies. ANB angle,[1] Wits appraisal,[2] W angle,[3] Beta angle,[4] Yen angle,[5] HBN angle[6] and SAR angle[7] have been defined for sagittal jaw relationship. Each of these parameters has their own advantages and drawbacks. This review article briefly describes these parameters in chronological order of their discovery and their use in orthodontics
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