KPSC Staff Nurse - 2018
Medical & Surgical Nursing
Easy

______ is a condition that results in white or brown speckles on the teeth.

Appeared in: KPSC Staff Nurse - 2018

Explanation

  • Fluorosis is a cosmetic condition that alters the appearance of tooth enamel.
  • It is caused by overexposure to fluoride during the first 7-8 years of life when permanent teeth are forming.
  • The signs range from faint white lines or streaks (mild fluorosis) to more noticeable brown or black stains and pitting of the enamel (severe fluorosis).
  • The condition occurs because excess fluoride interferes with the cells that form enamel, leading to a porous and discolored surface.

Why Other Options Were Wrong

  • Option A: Narcosis refers to a state of stupor, drowsiness, or unconsciousness caused by drugs or chemicals. It is a neurological state and has no connection to dental appearance.
  • Option B: Sarcoidosis is a systemic inflammatory disease characterized by the formation of granulomas in organs, most commonly the lungs and lymph nodes. It does not manifest as speckles on teeth.
  • Option D: Filariasis is a parasitic disease caused by infection with roundworms of the Filarioidea type, transmitted by insects. It is known for causing lymphedema (elephantiasis) and is unrelated to dental health.

Related Visual

A series of images showing the progression of dental fluorosis, from mild faint white flecks to severe brown staining and surface pitting on human teeth.
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Dental conditions caused by mineral imbalance as background academic context rather than a clinical decision trigger.
  • Nurses play a crucial role in public health education, including advising parents on the appropriate amount of fluoride toothpaste for children to prevent fluorosis while still protecting against cavities.
  • Community health nurses should be aware of the fluoride levels in local water supplies to provide accurate health guidance to the population.
  • Assessment of a patient's oral health is an important part of a comprehensive nursing assessment, as it can reveal signs of nutritional deficiencies, hygiene practices, or systemic conditions.
How to Approach the Question
  • First, identify the key descriptive phrase in the question: 'white or brown speckles on the teeth.'
  • Recognize this as a direct recall question that asks for the medical term corresponding to a specific physical sign.
  • Analyze the options. The term 'Fluorosis' contains the root 'fluor-', which is a strong clue linking it to fluoride, a chemical well-known for its effects on teeth.
  • Systematically eliminate the other options by recalling their definitions: Narcosis (a state of stupor), Sarcoidosis (an inflammatory disease), and Filariasis (a parasitic infection). None of these relate to the appearance of teeth.
  • Confirm that Fluorosis matches the description of mottled enamel, securing it as the correct answer.
Concept Tested & Keywords
  • Concept Tested: Dental conditions caused by mineral imbalance
  • Stem keywords: white or brown speckles, teeth
  • Lead-in keywords: is a condition

Question ID

QWYwVPBX-_BZCcIRX3tq2l

Reference Book

E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) p. 181-183

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