In deciduous tooth the first radiographic changes will be seen in.. External root resoption

In deciduous tooth the first radiographic changes will be seen in:

  • A- Bifurcation area.
  • B- Apical area.
  • C- External root resoption.***

The correct answer is C. External root resorption.

Here's why:

- Bifurcation area:

This area is not typically the first to show radiographic changes during deciduous tooth resorption. While it can be affected later in the process, the initial changes occur elsewhere.

- Apical area:

Similar to the bifurcation area, while the apical area can be involved in later stages of resorption, it's not the initial site of radiographic changes.

- External root resorption:

This is the most common and earliest radiographic sign of deciduous tooth resorption. It appears as a narrowing or blunting of the root outline, often starting at the cervical portion (near the crown) and progressing towards the apex. This resorption is a normal physiological process that allows the permanent tooth to erupt without encountering resistance from the deciduous root.

Therefore, while other areas may be involved in later stages, external root resorption is the first and most common radiographic change observed in deciduous teeth.

Remember, this is a general rule, and the timing and pattern of resorption can vary depending on individual factors. Consulting a dental professional for specific diagnosis and treatment is always recommended.

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