Authors’ response
Thank you for spotting an error in the printed formula (Chung DD, Wolfgramm R. Maxillary arch perimeter prediction using Ramanujan’s equation for the ellipse. Am J Orthod Dentofacial Orthop 2015;147;235-41)….
Use of Ramanujan’s equation of ellipse to determine arch perimeter
We want to congratulate Drs Chung and Wolfgramm for their article in the February 2015 issue shining a light on the use of a mathematical equation for ellipse to evaluate…
Authors’ response
Writing a summary article on the history of craniofacial imaging (Hans MG, Palomo JM, Valiathan M. History of imaging in orthodontics from Broadbent to cone-beam computed tomography. Am J Orthod…
History of imaging in orthodontics: A history of overdiagnosis?
The stunningly informative and passionate Centennial Special Article by Hans et al on the successful history of x-ray imaging in orthodontics will surely impress readers. Without doubt, we agree with the…
“The choice is ours” (not to mention our patients’)
I read the recent article by Hans, Palomo, and Valiathan with great interest. Their history of imaging in orthodontics was presented admirably, as would be expected of authors so very…
Our perfect storm: One orthodontist’s opinion
Education is the foundation—the bedrock—of any profession or any specialty in a profession. Dentistry and our specialty of orthodontics have prospered during the past 100 years because of (1) our education…
Orthodontic treatment of a patient with severe crowding and unilateral fracture of the mandibular condyle
A 15-year-old girl who had a unilateral condylar fracture with severe crowding in both arches was treated with 4 premolar extractions followed by orthodontic therapy with a temporary skeletal anchorage…
Nonsurgical treatment of an adult with an open bite and large lower anterior facial height with edgewise appliances and temporary anchorage devices
A woman was referred to the orthodontic clinic for treatment. She was diagnosed with a skeletal Class II malocclusion, a steep mandibular plane, and an anterior open bite. Conventional orthodontic…
Three-dimensional imaging for indirect-direct bonding
The aim of this article is to introduce a new concept of bracket positioning with special consideration to root axes. Cone-beam computed tomography imaging and computer-aided manufacturing were used to…
Eruption of an impacted canine in an adenomatid odontogenic tumor treated with combined orthodontic and surgical therapy
An adenomatoid odontogenic tumor is an uncommon asymptomatic lesion that is often misdiagnosed as a dentigerous cyst. It originates from the odontogenic epithelium. Enucleation and curettage is the usual treatment…
