AIM Melanin pigmentation of the gingiva occurs in all ethnicities. Excessive pigmentation is an esthetic concern that has increased awareness about de pigmentation procedures. The purpose of the present study was to correlate skin color and gender with intensity and distribution of gingival melanin pigmentation in a group of South Indians. METHODS 200 male and female non smoking healthy subje...

BACKGROUND To assess the effect of smoking on lip and gingival pigmentation and also to assess the relationship of pigmentation with periodontal parameters. MATERIALS AND METHODS 109 smokers and an equal number of control subjects who were nonsmokers in the age range of 35 - 44 years comprised the study sample. All the participants were assessed for pigmentation on lip and gingiva and a total...

Defects in the mammalian Menkes and Wilson copper transporting P-type ATPases cause severe copper homeostasis disease phenotypes in humans. Here, we find that DmATP7, the sole Drosophila orthologue of the Menkes and Wilson genes, is vital for uptake of copper in vivo. Analysis of a DmATP7 loss-of-function allele shows that DmATP7 is essential in embryogenesis, early larval development, and adul...

Introduction: The facial appearance depends on several oral and extraoral factors including colour of skin pigmentation gingival epithelium. the gingiva varies among individuals is thought to be associated with cutaneous which ranges from light dark brown or black colour.
 Objective: To assess prevalence physiological pigmentation, biotype their association colur in Nepalese subjects visit...

how to cite this article: mansouri nejad se, yazdan panah mj, tayyebi meibodi n, ashrafzadeh f, akhondian j, beiraghi toosi m, eslamieh h. griscelli syndrome: a case report. iran j child neurol. 2014 autumn;8(4): 72-75. objective griscelli syndrome (gs) is a rare autosomal recessive immune deficiency disorder that presents with pigmentary dilution of the skin and hair, recurrent skin and pulmon...

Since its use was first reported by 8rowne and Hogerzeil in 1962 ('0. /I), 8663, a synthesized phenazine dye, has proven to be an effective drug in the treatment of human leprosy and its use has become worldwide ( 2.7.9 " . 26. 3~. 39. 52. 5.1 ). The most significant and frequent side effect of this compound is an abnormal skin coloration. This can be divided into two types. One is an initial r...