Dental Exfoliation Cytology (Dental Cell Exfoliation Analysis)
This test examines cells shed from your gums and teeth during brushing or dental cleaning to check for abnormalities in oral tissue.
["A simple screening to detect early signs of oral health concerns."]
Key facts at a glance
- LOINC
- 32972-2
- Short code
- Exfoliation {Dent arch} XR
- Synonyms
- Exfoliation {Dent arch} XR
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- xr
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why Is This Test Done?
Your healthcare provider may recommend this test if you have symptoms like persistent sores, unusual bleeding, or changes in gum appearance. It can also be part of routine oral health evaluations, especially in children or individuals at higher risk for oral cancers or infections.
A dental professional gently scrapes cells from your gums and teeth using a soft brush or swab. The collected cells are then analyzed under a microscope for any irregular patterns or abnormalities.
The test is quick and painless, often done during a regular dental cleaning. No special preparation is needed, but inform your dentist if you have any oral medications or conditions that might affect cell appearance.
Normal cells appear uniform in shape and size. Abnormal findings might include clusters of atypical cells, which could indicate conditions like oral precancerous lesions, infections, or inflammatory diseases. Results are interpreted by a pathologist.
Results are typically reported as qualitative (qualitative assessment of cell patterns) rather than a single numeric value. Your dentist or doctor will discuss findings with you based on your clinical history and symptoms.
Early detection of abnormal cells can help identify oral health issues before they worsen. While not a definitive cancer test, it supports monitoring for precancerous changes, especially in high-risk populations or those with persistent oral symptoms.
This test is not a substitute for regular dental exams but complements them by providing microscopic insights into your oral tissue health.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Frequently asked questions
How long does it take to get results from this test?
Can I brush my teeth before this test?
Is this test painful?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy