Are there any specific criteria for crowned teeth due to decay?

Indications and contraindications for crown sleeve repair.

Indications. 1.Patients with discoloration of anterior teeth, hypoplasia, etc., which should not be repaired by other methods.

2.A cavity or tooth defect is too large to fill.

3.Misaligned, twisted teeth should not or cannot be orthodontic**.

4.The abutment of the porcelain bridge retainer needs to be made.

Contraindication. 1.Adolescent permanent teeth are not fully developed and the pulp cavity is wide.

2.The tooth is too small to be sufficiently resistant and retained.

3.The patient has severe deep overbite and a tight bite. Those who can't prepare enough space.

If your tooth is large (usually 1 3 or more than 1 3) due to tooth insects, you should consider a full crown to protect it after a filling** (also known as a "filling"). After the "insect tooth" makes a large part of the complete tooth missing, although it has been filled, the hardness of these filling materials is not comparable to the hardness of the tooth itself, in addition, there is a boundary between the tooth and the filling material, so that when biting something, especially when biting hard food, the tooth is in danger of splitting. Once split, the tooth will be very troublesome, and it also involves the question of whether it can be retained, so that the previous filling will be wasted.

Hello! Generally, if the tooth has passed through the root canal**, the tissue is relatively brittle, and it is recommended to make a crown to protect it. As for the extent to which the defect needs to be crowned, there are many cases, such as the location, size, and position of the tooth loss, so you need to consider it comprehensively and listen to the doctor's advice to you, because the examination is the premise.

With your requirements and financial affordability, and current technology, the tooth can be repaired with a filling restoration method no matter how rotten it is.

First of all, if the tooth is caries and there is no pain, it is necessary to remove the decay as soon as possible and fill the tooth.

Secondly, if you find that the gums are swollen in the teeth, you need to open the pulp to reduce inflammation at this time, so as not to affect the development of permanent teeth.

Finally, the most incorrect way is to choose tooth extraction, tooth extraction is not every situation can be extracted, most of the tooth extraction is chosen when it has a great impact on our lives.

Correct Answer: B Analysis: The diagnostic criteria for coronary caries determined by the World Health Organization (WHO) are: the presence of a lesion with a soft base, underlying damage to the enamel, or softening of the groove wall.