Tooth mobility Grading

Miller's Tooth mobility grading or classification

Tooth mobility grading / Classification is an essential aspect of dental assessment, especially when it comes to evaluating the stability and health of teeth.(Miller’s Tooth mobility grading )


It is a systematic method used by dentists to determine the degree of tooth movement or mobility, which can provide valuable information about the condition of the periodontal tissues and supporting structures.

Miller’s Tooth mobility Grading system –

Miller's Tooth mobility grading

The most commonly used tooth mobility grading system is the Miller Index, which categorizes tooth mobility into four different levels.( Miller’s Tooth mobility grading)

video on- Miller’s Tooth mobility Grading system.
Tooth mobility grading
Grade 0 –

• signifies no detectable mobility, indicating a stable tooth firmly anchored in its socket.
• This is considered the ideal level of tooth mobility and is indicative of healthy periodontal support.

Grade 1 –

• reflects slight mobility, where the tooth shows minimal horizontal displacement (<1mm -Horizontal)

• is considered physiologic or normal in certain situations, such as in deciduous teeth or in patients with a strong bite force.

Grade 2


• represents moderate mobility, where the tooth exhibits horizontal displacement of more than 1 mm. (>1mm Horizontal)
No vertical dipping/ movement.
• This level of mobility is often associated with early signs of periodontal disease, such as gingivitis or early stages of periodontitis.
Grade 3 -

• denotes severe mobility, characterized by horizontal displacement greater than 1 mm &/ or vertical movement.( Horizontal >1mm &/or vertical dipping)

• This level of mobility is a clear indication of advanced periodontal disease or trauma, which may result in tooth loss if left untreated.

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Accurate mobility grading is crucial for dentists to determine the appropriate treatment plan and prognosis for the affected tooth.


It helps in identifying the severity of the condition, assessing the effectiveness of periodontal therapy, and monitoring the progress of treatment over time.

Regular oral hygiene practices, including brushing and flossing, along with professional dental cleanings and check-ups, can help prevent or manage tooth mobility.


Early intervention and proper management of periodontal disease are key to preserving oral health and preventing tooth loss.

Conclusion

Tooth mobility grading is a vital tool in dental assessment, allowing dentists to evaluate the stability and health of teeth.


The Miller Index ( Miller’s tooth mobility grading classification) provides a standardized system to categorize tooth mobility into different levels, enabling accurate diagnosis and appropriate treatment planning.


By understanding and addressing tooth mobility promptly, individuals can maintain optimal oral health and prevent the risk of tooth loss.

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