The types of interproximal contact areas of primary molars have been first described in 2018 by Kirthiga and Muthu MS, et al. as follows,
Following are the examples of OXIS Classification as seen on the maxillary and mandibular dental casts and in the oral cavity
Dental Cast and Clinical Pictures of OXIS - Maxillary teeth
“O” type
“X” type
“I” type
“S” type
Dental Cast and Clinical Pictures of OXIS - Mandibular teeth
“O” type
“X” type
“I” type
“S” type