Can tooth decay be hereditary
- What is tooth decay? Widespread dental disease in which the hard tooth substance is gradually destroyed
- causes: Interaction between microorganisms and harmful factors such as poor oral hygiene and a diet rich in sugar. Other risk factors include a lack of saliva and a weakened immune system.
- Symptoms: initially often chalk-white spots or dark discoloration on the tooth, later the proverbial "hole in the tooth". Pain occurs at the latest when the tooth nerve is affected.
- Tooth decay - what to do? Off to the dentist! He will first determine the extent of the tooth decay and then initiate appropriate treatment.
- Prevent tooth decay: Food and drinks containing sugar only in moderation, regular brushing of teeth, use of fluoride-containing toothpaste, dental floss and interdental brushes, regular check-ups at the dentist, professional tooth cleaning (PZR), use of fluoride varnish, fluoride gels or solutions
Tooth decay: description
Most people understand tooth decay as the proverbial “hole in the tooth”. In fact, this dental disease begins much earlier: With dental caries, there is an increasing decalcification (demineralization) of the hard tooth substance (enamel and dentine underneath). Acid-forming bacteria are responsible for this demineralization. Only if the process of decalcification is not stopped does a hole eventually appear in the tooth.
The term tooth decay is often used instead of tooth decay. However, this is medically incorrect - the tooth substance does not rot, but is broken down.
Types of tooth decay
Doctors differentiate between different types of tooth decay, depending on how much tooth substance the bacteria have already destroyed: one Initial caries the surface is still intact and decalcification has begun. At a established tooth decay the surface is defective.
Depending on which layers of the tooth are affected, a distinction is made again between sub-forms:
- Superficial caries: Defect in the enamel (most superficial layer of the tooth)
- Caries media: Defect down to the dentin (second layer of the tooth)
- Caries profunda: Caries in all layers down to the tooth pulp, which also contains nerves
- Caries sicca: Tooth decay has come to a standstill
Caries: Affected areas of the teeth
Tooth decay is considered to be the most common dental disease worldwide. Almost everyone suffers from tooth decay at least once in their life. Baby teeth and permanent teeth can be equally affected.
Depending on the age at which tooth decay first occurs, the question “What does tooth decay look like?” Is answered differently, as different areas of the teeth are particularly affected depending on the age.
- In young children, tooth decay affects the incisor and adjacent gums first and then slowly progresses to the edge of the tooth. This tooth decay in small children is also known as feeding bottle caries and is mainly caused by improper nutrition (for example tea sweetened with sugar) of the children.
- In slightly older children and adolescents, tooth decay often first appears on the chewing surfaces. Here, too, the cause is usually an incorrect (high-sugar) diet.
- In adults, on the other hand, caries predominantly occurs between the teeth. The reason for this lies on the one hand in incorrect or negligent dental care or also in heavily sweetened drinks such as coffee or tea.
- In people over the age of 60, tooth necks are particularly affected by tooth decay. In old age, the gums often recede, which means that the individual tooth necks are exposed. In this area, however, the natural protective layer is thinner, so a "hole in the tooth" occurs more quickly. This type of tooth decay is also known as root caries.
Tooth decay: symptoms
Caries describes a progressive course of tooth destruction. Sometimes “only” one tooth is affected, in other cases several teeth are carious. In addition, different symptoms occur, depending on the stage of caries development.
Tooth decay: initial stage
At the beginning, tooth decay is barely visible. Doctors call this period the initial stage. Chalky white spots slowly appear on the teeth. There, minerals are already loosening from the teeth and the tooth enamel becomes holey (porous). Dark discoloration of the teeth is also an indication of tooth decay.
Actually, the mineral loss can still be compensated at this stage: Regular and careful brushing of the teeth removes the harmful caries bacteria. And the fluoride contained in the toothpaste ensures that minerals from the saliva replace the loss in the hard tooth substance.
If the oral hygiene is inadequate, tooth decay will continue. Teeth that are seldom brushed become progressively demineralized and eventually a hole appears in the tooth. Pain can appear here for the first time. However, pain occurs at the latest when the nerves of the teeth are also attacked by bacteria. At this stage, many teeth are also very sensitive to heat, cold or very sweet foods.
Caries: late stage
Without treatment, tooth decay progresses slowly. Caries from an affected tooth can spread to other teeth. As the tooth substance deteriorates, so does the pain. An untreated tooth decay infection is very dangerous. The inflammation may spread to the jawbone and trigger inflammation here as well. Bacteria can also travel throughout the body from the mouth via the bloodstream and affect other organs.
Secondary caries (caries under filling / caries under crown)
If there has already been a hole in the tooth, the dentist drills it and closes it with a filling. However, this treatment does not guarantee that you will be protected from tooth decay afterwards. Teeth often develop what is known as secondary caries:
Over the course of several years, small gaps form in the border area between tooth and tooth filling or crown. These are too small for the toothbrush bristles to reach. However, they are big enough that microscopic bacteria can settle in them. Tooth caries also often occurs in places where a hole in the tooth has already been filled.
Tooth decay: causes and risk factors
Tooth decay is influenced by several factors: bacteria, dental hygiene, and eating habits. The development of caries is based on an interplay of these factors. Saliva and the immune system also play a role.
The story of the bacteria “Karius und Baktus” helps to explain the question “How does tooth decay?” To children in more detail. It shows what happens in the teeth when there is tooth decay. The pair of bacteria can now also be found on posters at the dentist, in the form of comics or in short stories that warn of deciduous tooth decay.
There are over 700 types of bacteria in our mouth. To a certain extent, these microorganisms are necessary for a healthy oral flora. However, some bacteria mainly feed on leftovers, especially sugar. They utilize sugar from food and thereby excrete acids as waste products. These attack the tooth enamel by leaching out minerals. If this process is not stopped, a hole will appear in the tooth at some point.
The development of caries is promoted by sweet food and drinks. Above all, household sugar (sucrose), grape sugar (glucose) and fruit sugar (fructose) can be used well by caries bacteria and thus indirectly damage the teeth. Long-chain sugar compounds, i.e. complex carbohydrates like those found in whole grain products, do not promote tooth decay.
Brushing your teeth reduces the number of bacteria in your mouth. Immediately after each time you brush your teeth, a coating of bacteria and saliva components - called plaque or biofilm - slowly builds up on the surface of the tooth. If someone brushes their teeth infrequently, irregularly or carelessly, this plaque has enough time and opportunity to get thicker and thicker. The problem with this is that it is mainly the bacteria that multiply in it that cause tooth decay.
If there is plenty of saliva, the minerals it contains can replace losses in the hard tooth substance. An increased amount of saliva also serves to liquefy ingested food. In this way, these can be transported away more easily and are less likely to get stuck on and between the teeth. Some components of saliva also have a neutralizing effect on the acids produced by bacteria. Others have antibacterial properties.
In summary, this means: If there is little saliva, tooth decay is more likely to develop. In the interdental space and on the tooth crown, food residues can easily get stuck and stick, which caries bacteria are happy about.
The nature of the immune system also determines how well the body can defend itself against harmful bacteria. Tooth decay is a very common problem for people with a weakened immune system. The immune system is weakened, for example, in chronic diseases such as HIV or diabetes mellitus. In addition, drugs such as antibiotics or corticosteroids (e.g. cortisone) reduce the resistance of the immune system.
Is tooth decay contagious?
Tooth decay is a bacterial infection and, like other bacterial infections, contagious. In normal everyday life, however, the risk of infection with tooth decay does not play a major role. The bacteria that are responsible for the development of tooth decay are found in everyone's mouth. In any case, individual risk factors must therefore be added before caries can break out. A transfer of caries-causing bacteria between two adults (e.g. by kissing or sharing cutlery) is therefore irrelevant for the development of caries.
However, the fact that tooth decay is contagious plays a role Toddlers a role. They have fewer bacteria and microorganisms in their mouths than adults, and even none at all in small children without teeth. Theoretically, adults who, for example, put the child's pacifier in their mouth to clean, may transfer their caries bacteria to the offspring. Whether the risk of infection is really that great is controversial among experts.
Contrary to popular belief: Tooth decay is not hereditary. However, tooth decay can occur more frequently in families. For example, hereditary factors such as deep tooth grooves (tooth fissures) represent a potential risk factor for tooth decay. In addition, there are eating and hygiene habits that children learn from their parents: In families where sweet food and drinks are often served and / or If little emphasis is placed on thorough and regular brushing of teeth, the risk of tooth decay in children is far higher than in other families.
Tooth decay: examinations and diagnosis
If caries is suspected, the dentist is the right contact. In a short conversation he will begin with the Medical history (Anamnesis). You (or your child) have the opportunity to describe the complaints in detail. The doctor can then ask further questions, for example:
- When did the symptoms first become noticeable?
- Are there relatives who often suffer from dental problems?
- Have you had problems with your teeth in the past?
- How often do you brush your teeth a day?
Then a close examination of the teeth instead of. The dentist can detect tooth decay by looking closely at the teeth with a small mirror. The disease is first noticed by changes on the surface of the teeth. If there are such changes on the surface, the dentist uses a small probe (a kind of thin rod) to check how far the damage has progressed into the interior of the tooth. The treatment depends on it.
The tooth decay is usually very difficult to detect in the initial stage X-rays be helpful. On it, carious spots can be seen very well. Often the onset of caries is discovered only by chance on routine X-ray images during a dental check-up.
There are also other modern methods that can be used to diagnose tooth decay. This includes, for example, the measurement of electrical resistance and various fluorescence methods:
- Electrical resistance measurement: Healthy enamel moistened with saliva conducts electricity. In the case of caries damage, this conductivity increases in the enamel, i.e. the electrical resistance - measured with the aid of a hand electrode - decreases.
- Fluorescence method: They are based on the fact that the tooth structure fluoresces under certain conditions. The fluorescence properties depend on the condition of the tooth substance: Carious areas fluoresce differently than healthy tooth substance.
Read more about the examinations
Find out here which examinations can be useful for this disease:
Tooth decay: treatment
In the case of early tooth decay, improved oral hygiene and renouncing a high-sugar diet are sometimes sufficient. Often, however, tooth decay is only discovered when it has progressed further. Then the dentist has to deal with it: he usually removes the carious area on the tooth with a drill and closes the resulting hole with a filling.
You can read more about this and other options for treating carious teeth in the article Caries treatment.
Read more about the therapies
Read more about therapies that can help here:
Caries: disease course and prognosis
The mineral loss can only be compensated for in the initial stage. At the latest when a hole has formed in the tooth, caries must be treated professionally (i.e. by the dentist).
After tooth decay has been recognized and treated, there are usually no more symptoms. However, a one-time treatment of tooth decay does not guarantee that symptoms will not recur. As soon as oral hygiene is neglected, tooth decay can develop again. In particular, tooth decay in milk teeth tends to form again quickly.
If tooth decay affects children, you can also consider pulling affected teeth (milk teeth) as a precautionary measure to prevent the caries from spreading.
Prevent tooth decay
You can prevent tooth decay by sugary drinks and foods only in moderation consume and on a thorough and regular oral hygiene respect, think highly of. You should Brush your teeth after every meal if possible - it doesn't matter whether you have eaten something sugary or not. In this way, leftover food residues are removed immediately and the bacterial coating on the teeth is reduced. If it is not possible to brush your teeth after eating, chewing gum containing xylitol can also help. Xylitol is a sugar substitute. It stimulates the formation of saliva and can partially neutralize the acids formed by the bacteria.
After consuming acidic foods (such as citrus fruits or cola), you should wait a little before brushing your teeth. Because the acid softens the enamel so that it is more easily removed when brushing. So wait about 30 minutes before brushing your teeth.
use fluoride toothpaste. It hardens the tooth enamel and thus helps prevent tooth decay. Use for cleaning the interdental spaces Dental floss and / or interdental brushes.
That is important proper oral hygiene in children: As soon as the first tooth erupts, the mouth should be cleaned regularly with a soft children's toothbrush. As soon as the child has all the milk teeth and the swallowing reflex is present, the child should start brushing their teeth twice a day.
Regular check-ups at the dentist in childhood and adulthood contribute to the detection of tooth decay at an early stage. Also one professional tooth cleaning (PZR) helps keep teeth healthy. It should be carried out at least twice a year in adolescents and adults.
If there is an increased risk of tooth decay, the dentist can Fluoride varnish apply to the tooth surface or Fluoride gels or solutions Recommend for use at home.
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