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What Is The Turn Over Rate During Tooth Enamel Development?

Posted on Tue, 14 Jun 2016

Question: Dear Dr. I understand during tooth development mineralization and turnover takes place. What is the rates please? Iread somewhere mineralization is 100um but cant find anything for turnover?

Answered by Dr. Honey Arora (34 minutes later)

Brief Answer:
Turnover varies with the structure involved..

Detailed Answer:
Hi..
Welcome to HEALTHCARE MAGIC..

I have gone through your query and can understand your concerns..

As per your complain turnover rates varies from structure to structure and is different for enamel, dentine, cementum, alveolar bone etc..

The rate of turnover is defined as the rate of deposition of
Minerals and decomposition that occurs as a continuous process..

As far as during developmental stages are concerned the rate of mineral deposits are very high as it is a constructive stage while the rates of mineral loss are too low..

The rates will vary also according to the stage of tooth development and decomposition is less during the phase of development and mineralization..

Any further questions are welcome..

Hope this information helps..

Thanks and regards.
Dr.Honey Nandwani Arora.

Above answer was peer-reviewed by : Dr. Deepak

Follow up: Dr. Honey Arora (57 minutes later)

Dear Dr. XXXXXXX Thanks for your reply.

During enamel development whats the rate of mineralisation and whats rate of turnover?

Answered by Dr. Honey Arora (2 hours later)

Brief Answer:
Answers are detailed below

Detailed Answer:
Hi XXXXXXX .

As per your query mineralization rate during Enamel development is about 4 micrometer per day..

As far as turnover rate is concern, it depends commonly upon different factors like type of diet, exposure to acids (professional exposure) etc..
The turnover rate is therefore described in different settings and is however lesser that the rate of mineral deposition..

In general it is less than 3.5 micrometer per day.

Any further questions are welcome..

Regards..

Above answer was peer-reviewed by : Dr. Naveen Kumar

Follow up: Dr. Honey Arora (9 hours later)

Thanks Dr. XXXXXXX for the valued answers.

I have one final point . In bone growth , turnover rate is high but normalizes after growth stops.

But above you mentioned the oppositie is true for teeth ( during teeth growth low turnover, afterwards high)

Kindly could you clarify in case i misunderstood

Best Regards

Answered by Dr. Honey Arora (14 hours later)

Brief Answer:
Answers detailed below..

Detailed Answer:
Hi..
Welcome back..

As per your query I would like to try and explain in a simplified manner..

Turnover rate is a difference between rate of mineralization and rate of demineralization..

So I want to explain you that during development stages mineral deposition is high as compared to mineral loss and overall process is active therefore turnover rate is high for all structures..

And as the development is complete it gradually reduces but keeps going on continuously throughout..

Any further questions are welcome..

Regards..

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Above answer was peer-reviewed by : Dr. Naveen Kumar