A CORRELATIVE CASE STUDY TO DETERMINE PROPORTIONALITY BETWEEN INNERCANTHAL DISTANCE AND MESIODISTAL WIDTH OF MAXILLARY CENTRAL INCISORS IN FOUR DIFFERENT ETHNIC GROUPS

Dr Arun Kumar KV; Dr Shashidhar MP; Dr Vinay Wadhwa

Volume : VII, Issue : IV, April - 2017

A CORRELATIVE CASE STUDY TO DETERMINE PROPORTIONALITY BETWEEN INNERCANTHAL DISTANCE AND MESIODISTAL WIDTH OF MAXILLARY CENTRAL INCISORS IN FOUR DIFFERENT ETHNIC GROUPS

Dr Arun Kumar Kv, Dr Shashidhar Mp, Dr Vinay Wadhwa

Abstract :

Background: Selection of appropriate sized anterior teeth is an essential step in denture esthetics. Failure to select and properly arrange the artificial teeth in the complete denture, may lead to the rejection of prosthesis by the patient, which is otherwise made well. Various methods for selection of maxillary anterior teeth have been proposed in the past. Inner canthal distance (ICD) is the one of the anatomic landmark which attains adult size early in the adulthood and remains constant throughout the life. This paper presents a case study which was conducted to determine the ratio between ICD and combined mesio–distal width of maxillary central incisors (CWCI) in four ethnic group.

Methodology: 800 patients of four ethnic groups of each sex were selected to determine the ratio existing between ICD and CWCI using digital caliper.

Results: Ratio between ICD and CWCI was found to be 0.60 consistent with all four ethnic groups irrespective of sex.

Conclusion: ICD is the most constant anatomic landmark in the face, which can be utilized in the selection of appropriate sized maxillary central incisor for completely edentulous patients who don’t possess any of the pre–extraction records for artificial teeth selection.