In the mid-1960s, Dr. George Newman introduced the bonding of orthodontic brackets to enamel. Either in banding or bonding, the arch wire is configured to a specific arch form.Aim: The study was conducted to evaluate differences (if any) between the Bonwill-Hawley arch form for banding and bonding. Methodology: The difference between the two arch lengths was calculated to observe any changes from the ideal Bonwill-Hawley arch form for banding. Results: A difference of one millimetre was obtained between the two arch lengths. Conclusion: The Bonwill-Hawley arch form for bonding should have an addition of one millimetre to the total mesiodistal width of the four incisors and two-thirds of the mesiodistal width of the canine rather than the extra 3mm as proposed during banding of teeth.