Why do teeth fall out after filling? Is it because the dentist’s skills are too poor?

When it comes to fillings, many people are afraid. They are afraid of the dentist using a drill to grind their teeth in their mouth. Many people have also encountered the problem of the filling material falling off, leaving an ugly big hole on the tooth. Does this mean that they will suffer "secondary torture"? Is it because they are unlucky to meet a dentist with poor skills? Today, let's talk about what causes the filling material to fall off easily?

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1. Understand the signs that you need a filling first

When you have the following problems with your teeth, it is recommended to get a filling as soon as possible.

01. There are black lines

If there are black lines in the pits and fissures of the teeth and there is no obvious pain, it is possible that the tooth enamel is decayed. To prevent further development of decay, you need to see a doctor in time to check and confirm whether a filling is needed.

02. There is a small black hole

If a small black hole appears, it means that the tooth has decayed. If your teeth are very sensitive to cold, hot, sour or sweet things, you should get a filling as soon as possible.

03. Deep Cavities

When a large and deep cavity appears on a tooth, but there is no obvious spontaneous pain, this is deep caries. At this time, the caries is still in the dentin, and the tooth should be filled as soon as possible. If it progresses further and damages the pulp and dental nerve, it is too late to fill the tooth at this time, and root canal treatment is needed.

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2. Common factors that cause dental fillings to fall off

01. Ignoring the doctor’s instructions after tooth filling surgery

After a tooth is filled, the doctor will generally remind you of dietary precautions: avoid eating sticky or hard foods.

Eating hard or sticky food will cause the filling material and the tooth tissue at the edge of the filling to be subjected to greater force, which may cause the filling material to fall off or even cause the tooth to break. Therefore, the filled teeth need to be "double-protected".

02. Severe tooth decay

Severe tooth decay leads to large-scale damage, deep caries, multi-faceted caries, etc. At this time, there is less remaining tooth tissue, and simple fillings are likely to cause the filling materials to fall off. In such cases of tooth decay, you need to see a doctor to evaluate whether you can directly fill the tooth or make a porcelain tooth restoration, or perform tooth extraction.

03. Tooth fracture

A broken tooth is more likely to cause the filling material to loosen and fall off. Tooth fractures mainly occur in teeth with hidden cracks, dead pulp, and teeth with less remaining tooth tissue.

● Cracked teeth will become more severe when chewing, which may lead to tooth fracture over time;

● Dead pulp teeth usually undergo root canal treatment or filling treatment (tooth filling);

● Teeth with less remaining tooth tissue are not restored with crowns at a later stage. Coupled with the erosion of secondary caries, teeth with little remaining tooth tissue are more likely to break when subjected to bite forces.

Therefore, it is generally not recommended to directly fill teeth after root canal treatment. Instead, full crown restorations such as porcelain teeth can be used to repair and protect the teeth.

In addition, long-term chewing of hard food can easily cause tooth fracture. Some patients like to eat chewy foods such as nuts and bones, which is even worse for filled teeth, further aggravating the damage to the teeth and filling materials, causing the filling materials to fall off.

04. Secondary caries

Without good oral hygiene, filled teeth may continue to decay, which is called secondary caries.

Secondary caries can cause a gap between the original filling material and the tooth. Over time, the decayed area continues to increase, and the filling material is prone to loosening and falling off when the tooth is chewed.

In addition, situations such as loose filling materials, irregular bonding operations by doctors, unreasonable cavity design, and contamination of the filling area with saliva may also lead to the occurrence of secondary caries and the falling off of filling materials. Therefore, before filling a tooth, you must choose a regular and professional dental medical institution.

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05. Material breakage

Material fracture is more common at the position where the filling material is closely connected to the tooth tip or occlusal contact point. The chewing pressure borne at this position is greater than that at other positions.

Traumatic manifestations of the crown are often broken, especially when the adjacent cavity is filled with a large area, which can easily cause the crown and filling material on one side to break. You should consult a doctor in time to see if it needs to be replaced with a full crown restoration.

4. Three factors to reduce the incidence of tooth filling material shedding

01. Choosing a formal, professional and reliable medical institution is the prerequisite for repairing teeth.

02. Listen carefully to the doctor’s evaluation and advice before making a choice. If the tooth is in poor condition, a crown restoration may be needed to protect the remaining tooth tissue.

03. After the tooth filling surgery, listen carefully to the doctor's advice, do not bite hard or sticky foods, maintain good oral hygiene, and have your teeth checked regularly.

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