Journal of Clinical and Aesthetic Dermatology

MAY 2018

An evidence-based, peer-reviewed journal for practicing clinicians in the field of dermatology

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23 JCAD JOURNAL OF CLINICAL AND AESTHETIC DERMATOLOGY May 2018 • Volume 11 • Number 5 O R I G I N A L R E S E A R C H by creating more natural looking and thus more aesthetically pleasing dimples among their patients seeking dimpleplasty. MATERIALS AND METHODS Our study included a randomized convenient sampling of 1,194 people. Two-hundred and sixteen people (18%) with 336 naturally occurring dimples were chosen for the study. Informed consent was obtained from all participants. Photoconsent was obtained from participants featured in this publication. The ethical guidelines of the Declaration of Helsinki were followed. The ages of the study population ranged from 18 to 42 years. The study was conducted from April 2017 to June 2017. Facial forms and the deepest points of the naturally occurring dimples of the participants were examined. For each patient, the distance between the deepest point of the dimple and the KBC point was calculated. A woolen string coated with plaster of Paris was used to mark a horizontal line from the corner of the mouth and a vertical line from the outer canthi of the eye. The difference between the KBC point (which is at the intersection of the two lines) and the deepest point of the naturally occurring dimples was calculated. Facial forms of the participants were categorized as euryprosopic (short and/or broad face), mesoprosopic (average width face), or leptoprosopic (long and/or narrow face). 12 All of the patients were evaluated according to a standard evaluation form (Figure 1) and a single observer. RESULTS Out of the 216 people included in this study, all of whom had naturally occurring dimples, 120 (55.6%) had bilateral dimples and 96 (44.4%) had unilateral dimples, for a total of 336 dimples (Table 1). Forty-five (21%) of the 216 participants were male and 171 (79%) were female (Figure 2). Among the 120 individuals with bilateral dimples, 99 (82.5%) were female and 21 (17.5%) were male. Regarding the 96 participants with unilateral dimples, 72 (75%) were female and 24 (25%) were male. Of the 96 unilateral dimples, 51 (53.1%) were on the right side and 45 (46.9%) were on the left. We observed that 152 dimples lay on the KBC point (45.2%) and 184 lay elsewhere on the face (54.8%) (Figure 3). In addition to the KBC point, the number of dimples per different facial form was also assessed. Most of the people included in this study had the mesoprosopic facial form (132 (61.1%), followed by 48 people with the leptoprosopic form (22.2%) and 36 people with the euryprosopic form (16.7%) (Table 2). In the mesoprosopic group, 60 people had unilateral dimples and 72 had bilateral dimples, for a total of 132 people with 204 dimples. Of these, 117 dimples did not lie on the KBC point and 87 dimples did. In the leptoprosopic group, 30 people had unilateral dimples and 18 people had bilateral dimples, for a total of 48 people with 66 dimples. Thirty of these dimples did not lie on the KBC point and 36 dimples did. In the euryprosopic group, six people had unilateral dimples and 30 had bilateral dimpless, for a total of 36 people with 66 dimples. Of these, 36 dimples did not lie on the KBC point and 30 dimples did (Table 3). DISCUSSION Dimple surgery has become a common cosmetic procedure. 1,4,10,11 Though the frequency of dimple surgery has increased in recent years, the most commonly used reference point (i.e., the KBC point) for dimple surgery dates back 50 years. In 1962, Khoo Boo-Chai studied the dimples of about 500 female individuals aged between one day and 50 years. 2 From his observations, he concluded that the majority of dimples are FIGURE 1. Patient evaluation form FIGURE 2. Sex distribution of study sample

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