green stain

green stain

a deposit, produced by chromogenic bacteria, found on the cervicolabial portions of the teeth, usually in children.
See also: acquired pellicle.

green stain

(grēn stān)
Such discoloration or deposit on the gingival half of the labial surfaces of the maxillary anterior teeth, usually in children. Caused by chromogenic bacteria or orally inhaling dust containing copper and nickel.
References in classic literature ?
She valued the company of those to whom she could come striding disheveled from the nursery in her dressing gown, and with joyful face show a yellow instead of a green stain on baby's napkin, and from whom she could hear reassuring words to the effect that baby was much better.
and I gave it such a hearty kiss that my nose and chin were smudged into one green stain, and still I did not care.
I was standing in the same mysterious tangle of damp little paths that had always been just there; they curled away on either side among the shrubs, with the brown tracks of recent footsteps in the centre of their green stains, just as they did in my day.
She observed green stains of moss on the steps of the terrace.
Too delicious, the green goodness that, if rubbed hard enough on the affected spot, left an equally green stain.
2003, Eisenman and Casadevall 2012) and xylindein from Chlorociboria species (Robinson and Laks 2010b) are the most well known for their production of black zone lines or green stain, respectively.
Items,Sodium dihydrogen orthophosphate ( Sigma / Merck/ Himedia),Disodium hydrogen orthophosphate (Sigma / Merck/ Himedia),Sodium thjoride ( Sigma / Merck/ Himedia),Tween 20 ( Sigma / Merck/ Himedia),Polyethylene Glycol 6C00 ( Sigma / Merck/ Himedia) ,Brilliant green stain powder (Sigma / Merck/ Himedia),Methyl red Indicator (Sigma / Merck/ Himedia),Citric acid (Sigma / Merck/ Himedia),Disodium hydrogen orthophosphate ( Sigma / Merck/ Himedia),Sulfuric acid (Molecular Grade)( Sigma / Merck/ Himedia)
The basin was empty, water dried away, leaving a powdery green stain.
With the malachite green stain, yeasts were clearly differentiated from oocysts as they took up the stain.
The chromogen is a two-component system that produces a green stain in the presence of horseradish peroxidase (HRP).
While rose bengal stain has long been used for this purpose, it's quite painful for patients with Sjogren's syndrome; lissamine green stain is a much better option, he continued.