cementum: meaning, definition, pronunciation and examples
LowTechnical/Scientific
Quick answer
What does “cementum” mean?
The calcified tissue covering the root of a tooth.
Audio
Pronunciation
Definition
Meaning and Definition
The calcified tissue covering the root of a tooth.
A specialized, bone-like substance that forms the outer layer of a tooth's root, attaching it to the periodontal ligament.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or spelling. The word is uniformly technical. The material is simply referred to as 'cementum' in both varieties.
Connotations
None beyond the technical definition.
Frequency
Equally low frequency in both dialects, confined to specialized fields.
Grammar
How to Use “cementum” in a Sentence
The cementum covers the root.Cementum is produced by cementoblasts.Disease can affect the cementum.Vocabulary
Collocations
Examples
Examples of “cementum” in a Sentence
verb
British English
- The tooth root is cemented in place by the cementum.
American English
- The tooth root is cemented in place by the cementum.
adverb
British English
- [No standard adverbial form]
American English
- [No standard adverbial form]
adjective
British English
- Cemental repair is a slow biological process.
American English
- The cemental surface was analyzed under a microscope.
Usage
Meaning in Context
Business
Not used.
Academic
Central term in dental and anatomical research papers and textbooks.
Everyday
Virtually never used in everyday conversation unless discussing specific dental health issues with a professional.
Technical
The standard, precise term for the tissue in dentistry, periodontology, histology, and forensic science.
Watch out
Common Mistakes When Using “cementum”
- Mispronouncing it as /ˈsiːməntəm/ (like the construction material).
- Misspelling as 'cementium'.
- Using it as a synonym for general 'glue' or 'adhesive'.
FAQ
Frequently Asked Questions
No. While they share a Latin root meaning 'quarry stone', cementum is a biological tissue. The construction material 'cement' is a powdered substance that hardens when mixed with water.
To a very limited degree. Cementoblasts can produce new cementum to repair minor damage or as part of orthodontic tooth movement, but it does not regenerate like some other tissues.
Exposed cementum, often due to gum recession, can lead to tooth sensitivity (as it covers the sensitive dentin) and is more susceptible to decay and wear than enamel.
The cementum tissue itself is not living, but it is produced and maintained by living cells called cementoblasts and cementocytes within it.
The calcified tissue covering the root of a tooth.
Cementum is usually technical/scientific in register.
Cementum: in British English it is pronounced /sɪˈmɛntəm/, and in American English it is pronounced /səˈmɛn(t)əm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms]”
Learning
Memory Aids
Mnemonic
Think of CEMENT + UM. The CEMENT that seals the tooth's root to the bone in your gUM.
Conceptual Metaphor
FOUNDATION/ANCHOR (Cementum anchors the tooth like a foundation secures a building).
Practice
Quiz
What is the primary function of cementum?