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Why fillings from teeth fall out


Every adult person( exceptions, of course, happen, but these are isolated cases) sooner or later resort to dental care.Filling a seal is an easy and fairly natural procedure.It often happens that a few months later, another disappointment comes - a newly placed seal falls out of the tooth.Why does this happen even in cases when a real professional worked on the problem of a sick tooth?There are several reasons for this.

Table of Contents: Human Factor Material Features for Seals Specific Features of the Enamel and Dentin Structure Problems in Sealing the Milk Teeth How to Extend the Life of the Seal

Human Factor

No mistakes are insured by any physician, they can occur for a variety of reasons, Therefore the loss of the seal can be due to the following factors:

  1. Incomplete cleansing of the carious cavity from the affected tissue.The point is that the dentist leaves caries in the tooth, sealing it under the seal.But the process of tooth destruction continues to progress, resulting in a decrease in the strength of the fastening of the seal to the walls of the tooth or to the bottom of the formed cavity, a violation of the bonding of the filling material and tooth tissue.
  2. Incorrectly formed cavity for a seal.Dentists know perfectly well that in their medical industry there are specific rules for each case of the location of the carious focus.There is such a classification of Black, which implies the separation of the types of cavities, not only in the place of their location, but also according to the rules for the formation of the cavity under the seal.The seal fell out
  3. Use of substandard materials.The fact is that most of the materials that are used to make seals are sensitive to moisture.When the seal is inserted into the prepared carious cavity, saliva can penetrate, which makes the term of carrying the seal short-lived.Most often, a similar problem occurs in the treatment of infant teeth in children, with the carious cavity in close proximity to the edge of the gum, in the case of limited opening of the mouth.
  4. Incorrectly performed stage of hardening of filling material.The fact is that many filling materials harden only after they are exposed to light of a certain wavelength.For this purpose, special polymerization lamps are used, which work either from a battery or from a dental unit.If the rules for carrying out the procedure for exposing light to a seal already inserted into the cavity of the tooth were violated, the material will solidify only from the outside, and the inner layers will remain soft.

Material features for seals

Each dentist has a choice of sealing materials that will differ in their properties.For example, the material can be chemically cured, or light cured.There are special materials for setting temporary seals, which become hard directly in the mouth of the patient under the influence of body temperature and humidity.Depending on what material the doctor used for the seal, individual recommendations are given to patients - some, for example, are forbidden to consume water for two hours after manipulation, and to someone for food.

In dentistry, another term is used - "shrinkage," which means reducing the filling in volume over time.For different materials, this indicator is different, so the doctor must take it into account, reducing the risk of cracking, the loss of a seal.It is because of the natural shrinkage of the material that the seal-tooth boundary appears over time, it becomes a yellow shade and is covered with a stable coating - in this case, experts recommend replacing the seal, because after a short time, recurrent caries can rapidly develop.

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Individual features of the structure of enamel and dentin

The seal fell out The beginning of the development of dental tissues can be considered the seventh week of intrauterine development of the fetus - it is during this period that these tissues begin to form.Depending on whether the mother and the unborn child were adversely affected, the strength of the enamel and dentin would vary.

Doctors are well aware that powerful toxicosis, stress during pregnancy, lack of calcium and fluoride, viral infections and taking various medications affect the development of teeth in the child.And at the stage of forming permanent teeth, many external factors will influence their quality.For example, if the body receives an excessive amount of fluoride, the enamel will develop incorrectly.The mechanism of action of fluorine is based on the fact that this substance is able to be embedded in the structure of hydroxyapatite crystals( the main element of the tooth enamel composition), replacing calcium - the result is brittleness, a change in the color of the enamel and the appearance of pronounced white spots.

Important! The structure of the enamel can change and with some hereditary diseases, the progression of hypoplasia, violations of the formation of dentin and enamel.

The thickness of the tooth tissue is also of great importance.If there is abnormal abrasion, the tissue thickness index will decrease, when the seal is inserted, the process of abrasion does not stop, thereby reducing the degree of fixation of the filling material directly to the tooth.

Sealing of infant teeth

Filling of baby teeth It is known to all the parents that the milk teeth must be sealed.Just parents should take care of the health of their children and in time bring them to the dentist for the treatment and prevention of oral disease.The dentist, in turn, should understand that for filling of milk teeth it is necessary to use special materials - non-toxic, absolutely safe for the child.Such sealing materials are fixed in the cavity only thanks to mechanical clutch forces, that is, the connection between the seal and the tooth itself is similar to assembling puzzles - they fit each other in shape and size.Over time, such seals erase, they are very sensitive to moisture, but because the milk teeth quickly change to permanent, so the dentists do not pursue the goal of installing a "durable" seal.

How to extend the life of the seal

If the filling material does not have the property of instant curing, the doctor will definitely advise the patient to not eat food and water for two hours after the procedure - how often do patients survive this period?In general, it is worth noting that not only the specialist should work strictly according to the rules and use only high-quality filling materials, but the patients themselves must adhere to certain rules. What factors can be used to prolong the "life span" of a seal: adults

  1. Oral hygiene.It should be carried out regularly and in compliance with the rules, as bacteria in the oral cavity live and actively multiply in a mode 24 hours a day / 7 days a week.Due to the acids that are produced by these bacteria, the tooth enamel softens and it will be problematic for the dentist to install a seal qualitatively.
  2. Food quality.These are aggressive products that can destructively affect the dental tissues - carbonated sweet water, sweets, flour products, products with acids in the composition.It is necessary to comply with the temperature regime of food intake - it should not be too cold or very hot, do not make sharp transitions( for example, having bitten off a hot patty can not drink it with ice juice).It is very important to monitor the amount of calcium in the body, since its deficiency is replenished just from the enamel of teeth and bone tissue.
  3. Bad habits.Implied frequent and uncontrolled use of nuts, crackers, seeds, which leads to microcracks in the structure of the enamel - they gradually deepen, cause chipping and loss of fillings.

Timely treatment of tooth decay provides an opportunity not only to maintain dental health, but also prevents the loss of already delivered seals.To take care of the health of your teeth is necessary on time, because to visit a dentist and put a seal is half the job: how long the filling material will keep in the tooth depends not only on the quality of the material and the professionalism of the doctor, but also on the patient himself.

Kostyushkin Nikolay Borisovich, dentist

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