Korean J Orthod.  2002 Feb;32(1):43-49.

The new approach to maxillary and mandibular anterior dental arch forms: The prediction to maxillary and mandibular anterior occlusal relationship by computer program

  • 1Depattment of Orthodontics, College of Dentistry, Pusan National University, Korea. wsson@hyowon.pusan.ac.kr
  • 2Depattment of Mechanical Engineeering, Pohang of Science & Techonology, Korea.


When we deal with maxillary and mandibular anterior dental arches showing problems in occlusal relation and aesthetics caused by malformations of teeth and congenital missing, et al during the orthodontic treatment, we could not often decide the functional occlusion by only relying on the orthodontic treatment. If orthodontists can predict what kinds of treatments are needed for functional occlusion in maxillary and mandibular anterior dental arches, they can not only effectively treat patients but also facilitate the cooperation with other field during the treatment. Our previous research showed the correlation among intercanine width, segment depth and arch perimeter by using the Korean normal occlusion model. At this time, we produced the computer application program by taking advantage of this correlation. And then, we applied this program to setting up the treatment plans for 2 patients with the damaged maxillary and mandibular dentures. With the help of this program, we could not only easily acquire the information about the change of variables required by treatment plans but also understand the change of the anterior dental occlusion corresponding to the change of each variables such as the intercanine width, segment depth and arch perimeter. Later, if we can have the information about the relationship between the change of the angle of incisors depending on facial types and arch forms and, in addition, can acquire the appropriate intercanine width, we can have the ability to produce the 3 dimensional occlusogram for the anterior dental arch forms.


Anterior dental arch form; Computer application program; Treatment plan

MeSH Terms

Dental Arch*
Dental Occlusion
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