Replacing baby teeth with permanent ones, or, as many are accustomed to calling them, molars, is an important process in the life of every person. It starts at childhood and ends in adults with the appearance of “figure eights”. Each child is individual, but there is a general order and timing of teething. Parents should monitor this process and notice deviations from the norm in time.

The replacement of baby teeth with permanent teeth begins at approximately 5-6 years of age.

Types of permanent teeth and their differences from baby teeth

Teeth perform the function of grinding food and are involved in the process of speech. They differ in shape and characteristics because they have different purposes. Some help to bite off food, others help tear off pieces of food, others crush and grind, and others crush and grind. The following types of permanent teeth are distinguished:

• Incisors. They are located in the center of each jaw - 4 upper and 4 lower.
• Fangs. They grow near the incisors - 2 above and below.
• Premolars or small molars. Each row has 4 teeth.
• Molars or large molars. Located at the edges of the jaw. The upper ones are different in shape from the lower ones. An adult has from 4 to 6 pieces.

A person grows 28-32 teeth. The third molars – “wisdom teeth” – may not erupt at all in some people. The layout of permanent units is shown in the photo. The number of primary and permanent teeth differs. Young children have 8 molars, 8 incisors and 4 canines.

In their structure and appearance, the first baby teeth are similar to permanent teeth. However, they have the following differences:

1. The molars are higher and wider.
2. Dairy - white. Instead, units of a yellowish tint grow.
3. The roots of permanent teeth are longer.
4. Molars, unlike their predecessors, do not fall out on their own.
5. The thickness of the enamel of the “milk jugs” is 2 times less, and the nerve is larger.
6. Healthy molars should not wear out; this is the norm for milk teeth.

Timing of loss of milk units

Many parents notice that by the age of 5, small gaps appear in the mouth between the teeth. This happens because a child's jaw is growing and making room for future larger teeth. The first milk teeth are replaced by the age of 6-7 years. This process takes quite a long time and most often does not cause physical discomfort to the child.

Milk roots are capable of resorption, which lasts about 1-3 years. Many teeth fall out on their own; a trip to the dentist is not necessary. The sequence of loss of baby teeth is usually the same as during eruption. It is impossible to indicate exactly at what age a particular tooth will fall out; there are only approximate time frames.

The approximate timing of the loss of milk units is presented in the table.

At what age do the roots of permanent teeth form?

It is a mistaken belief that the formation of permanent teeth occurs in the process of resorption of the roots of milk units. The rudiments of replacement and molar teeth appear in the child in the womb. However, the so-called adult teeth are located above the baby teeth, the roots of which are wide enough so as not to interfere with the growth of their younger brothers.

Permanent teeth, which have replaceable predecessors, develop from the epithelial dental plate, which appears at the 20th week of fetal development. Units that have no milk analogues begin to form approximately one year after the birth of the child. However, the process of tooth formation continues even after it has erupted.

A panoramic photograph of a child’s teeth, where the formation of the roots of permanent teeth is clearly visible

Time frame for the formation of roots of permanent teeth:

• upper central incisors – 9-13 years;
• lower central incisors – 7-11 years;
• upper lateral incisors – 9-12 years;
• lower lateral incisors – 8-11 years;
• the roots of the fangs are usually fully formed by 9-12 years;
• premolars – 11-13 years;
• first molars – 9-13 years;
• roots of second molars - by 14-15 years;
• the roots of third molars do not have a specific time frame for eruption and root formation.

The order and timing of the eruption of molars

The first molars - molars - appear in the baby before the baby teeth fall out, at about 4-6 years of age. It is believed that girls change their teeth earlier than boys.

The appearance of molars begins in the lower jaw. It is important that the gap for new teeth does not shift due to early loss of milk units. The order and timing of the appearance of molars:

1. first molars – up to 6 years;
2. lower central incisors – 6-7 years;
3. central incisors above and lateral incisors below – 7-8 years;
4. upper lateral incisors – 8-9 years;
5. lower canines – 9-11 years;
6. upper canines – 10-12 years;
7. upper first premolars – 10-11 years;
8. lower first premolars – 10-12 years;
9. upper second premolars – 10-12 years;
10. lower second premolars – 11-12 years;
11. second molars – 11-13 years;
12. third molars – 17-25 years, but “wisdom teeth” can grow later.

Growth of permanent front teeth in a child

A new tooth may emerge within a few months after the baby tooth falls out. However, if it does not appear after six months, then it is necessary to find out the reasons for this phenomenon from a specialist. The peculiarity of teething is that the larger the area of ​​the tooth, the longer it takes to grow. Sometimes, while the molars are growing, the child's temperature rises.

Eruption pathologies and their causes

The change of teeth is one of the indicators of human development, but the time of appearance of molars may differ for each child. A significant delay in the formation of rows may indicate that a malfunction has occurred in the child’s body. If his molars do not grow for a long time, this may indicate the absence of their rudiments or a violation of certain body functions. Causes of delayed tooth growth:

• transferred infectious diseases;
• hereditary factor;
• poor nutrition;
• incorrect operation endocrine system;
• disruption of intrauterine development due to maternal illness;
• change in climatic living conditions;
• short or long-term breastfeeding;
• congenital or chronic pathologies;
• maxillofacial trauma.

The molar grows second row

In some cases, milk units do not fall out for a long time and interfere with the eruption of new ones. This situation is dangerous because the molars can begin to grow, bypassing the old units. The child develops an incorrect bite or teeth grow crooked. If a pathology is detected, you must contact a specialist to remove the interference.

Reasons for the long resorption of milk units:

• genetic predisposition;
• congenital diseases;
• absence of permanent tooth buds;
• rickets.

In some children, the “milk jugs” fall out and new teeth erupt on time, but they grow crookedly (we recommend reading:). The cause of improper teeth growth can be a bad habit of the baby. Prolonged sucking of a finger, tongue, pacifier or other objects leads to malocclusion.

Very rarely, a hematoma forms in the place of the future tooth in the form of a purple or blue bubble at the edge of the gum. This phenomenon occurs in children with dense mucous membranes. This formation causes discomfort to the child. The hematoma goes away on its own after the molar erupts. Special gels help alleviate the baby’s condition.

If alarming signs of teething appear, you should contact a specialist. The doctor will help you find out the cause of the pathology and recommend options for its elimination. The absence of rudiments is diagnosed using x-rays. If permanent teeth are missing, the child will be offered dentures.

If inflammation appears after a replacement tooth falls out, you should take your baby to the doctor. Parents must remember that proper care taking care of baby teeth is the key to the health of permanent teeth. Children should begin to teach hygiene when their first tooth appears. It is necessary to monitor the child’s nutrition, strengthen his immunity and regularly visit the dentist with him.

Teething in children is part of the overall development of the human dental system.

In a medical sense, this period is considered an important stage in the development of the child’s body, health and well-being.

Teeth help children chew food properly, develop correct speech, and develop essential eating skills.

In the formation of molars in children, the order of eruption plays an important role in the formation of a correct bite, which allows the dental system to work more efficiently.

The interdental space that forms at this stage is also of great importance, preventing food retention and possible dental diseases associated with this.

The influence of baby teeth on the formation of molars

Human teeth vary in size, shape and placement in oral cavity.

An adult has 28 molars, or 32 molars including wisdom teeth. Natives usually appear between the ages of 6 and 13 years.

But before the stage of formation of molars, a person goes through the stage of formation of the so-called milk teeth.

A child’s first milk (primary) teeth appear between 6 months and 2 years of age and complete their development between the second and third years of the child’s life.

By the age of 2 to 3 years, a child usually already has a full set of 20 primary teeth - 10 in the upper jaw and 10 in the lower jaw.

Girls' dental development usually occurs slightly faster than boys'.

At about 6 years of age, the first molars begin to emerge. A period of mixing of primary and molar teeth begins, known as the mixed stage of eruption. This stage lasts until the last milk is replaced by the radical. Some of the baby teeth can remain in the mouth for up to 12 years.

If baby teeth fall out too early, such as due to injury or have to be removed by a dentist for any reason, the space that is intended for the molar may be compromised, causing problems with the eruption of the molars.

Proper oral care during the mixed eruption stage is critical to maintaining healthy teeth that last a lifetime.

Stages of education

There are three stages:

1. The first stage is known as the primary dentoalveolar stage, which occurs when the deciduous (primary) teeth begin to erupt.
2. After the first molar erupts, the mixed (transitional) stage of tooth formation begins.
3. At the moment when the last baby tooth leaves the dental system, they enter a permanent stage of functioning.

Eruption anomalies (timing and sequence) are often caused by genetic abnormalities and can lead to malocclusion.

In severe cases, such as Down syndrome, tooth eruption may be delayed by several years, and some teeth may never emerge.

Human dental system

A person has 4 categories of teeth, and they all play their important roles:

• 8 incisors (temporary and permanent);
• 4 fangs (temporary and permanent);
• 8 premolars (permanent only);
• molars (8 temporary and 12 permanent, including wisdom teeth).

Molars are usually much larger, and typically darker in color, than baby teeth.

The structure of the dentition: incisors, premolars and molars

Sequence of eruption of permanent teeth

The first permanent (molar) teeth usually erupt around the age of 6 or 7 years. They are often called "six-year molars."

More often, the first teeth to emerge are the lower and central incisors and the lower and upper first molars. Following these are the upper central incisors and upper lateral incisors, canines, first premolars, second premolars and molars and, in later life, third molars.

The first permanent molars help shape the shape of the lower face and also influence the placement and health of other permanent teeth.

By age 21, most people have a full set of permanent teeth. The final teeth to erupt are the third molars or “wisdom teeth,” which appear between the ages of 17 and 21.

Changeable bite

It should be noted that some molars directly replace milk teeth, while others erupt in places where they were not there before. These are the so-called “wisdom teeth”. They are considered “extra” permanent teeth in the sense that they do not replace an existing baby tooth.

These molars at the back of the jaw are often confused with baby teeth. It is very important to take good care of them so that they remain healthy throughout their lives.

Often wisdom teeth grow on top of others and become difficult to keep clean. They are located far back in the mouth and are often unnecessary or even interfere with chewing. In these cases, dentists recommend the removal of these molars.

The eruption of identical teeth on both sides of the dental arch may be delayed. If the delay extends beyond 6 months, you need to talk to your dentist.

The order and timing of the eruption of permanent teeth: table

By age 13, most children have 28 of their 32 permanent teeth.

The exact age and order of their eruption may vary depending on various circumstances.

Although eruption occurs in different time at different people, a general teething schedule still exists.

The following table represents average age eruption of molars:

Types of teeth	Age of eruption, years
Lower central incisors	6-7
Upper central incisors	7-8
Upper lateral incisors	8-9
Lower lateral incisors	7-8
Upper first premolars	10-11
Lower first premolars	10-12
Upper canines	11-12
Lower canines	9-10
Lower second premolars	11-12
Upper second premolars	10-12
Lower first molars	6-7
Upper first molars	6-7
Upper second molars	12-13
Lower second molars	11-13
Upper third molars (wisdom)	17-21
Lower third molars (wisdom teeth)	17-21

It is now believed that the periodontal ligament (the main structural component of the supporting apparatus of the tooth) plays an important role in eruption. A set of 32 permanent teeth gradually replaces the primary teeth, eventually representing a set of 16 teeth in the upper jaw and 16 in the lower jaw.

To help keep your periodontal ligament and teeth healthy, there are a few helpful oral care tips you can take.

Many parents carefully prepare for the appearance of teeth in their baby. , the topic of the next article.

The signs of the eruption of the first teeth in a child are described.

Sometimes young parents complain that their baby is bothered by a cough due to teething. Follow the link to find out whether this is normal or whether cough should be considered as a separate disease.

Teeth should be thoroughly brushed with a brush and floss to help remove food particles and plaque (a sticky film of bacteria) from the smooth surfaces of the teeth.

The bristles of the brush cannot always reach all the depressions, grooves and cracks of the chewing surface of the teeth to remove food debris and plaque.

To do this, you can use dental sealants, which protect vulnerable areas well by sealing them from the penetration of food debris and bacterial plaque.

A sealant is a plastic material that is typically applied to the chewing surfaces of the back premolars and molars, where food decay occurs most frequently. The sealant acts as a barrier, protecting the enamel from plaque and acids.

Brushing your molars twice a day with a fluoride toothpaste, cleaning between your teeth once a day with a toothpick, and visiting your dentist regularly are the basic rules for maintaining oral health and a healthy smile that lasts a lifetime.

Video on the topic

Cutting and changing milk (temporary) teeth to permanent ones - this is inherent in nature physiological process. The timely and consistent appearance of teeth is directly dependent on general condition the child’s health and indicates the normal development of his body. First teething teeth (central incisors) occurs at the age of 6-8 months. A deviation in the time of the onset of teething by 1-2 months from the usual period is not a cause for concern for the child’s parents. There is a formula counting baby teeth (N) depending on the age of the child: N = n - 4, Where n – child’s age in months. This formula makes it possible to judge quite reliably the timing of teething and understand whether it should happen at a particular age.

Deviations from the norm in the timing of teething

Delay in eruption may be associated with a previous infectious disease, long-term dysfunction gastrointestinal tract(dyspeptic disorders), metabolic disorders (for example, with congenital deficiency of the enzyme phenylalanine oxidase (phenylketonuria disease)), vitamin D deficiency (rickets), pituitary insufficiency, genetic factors.

Early teething observed in various endocrine disorders (for example, Albright's syndrome, hyperthyroidism, hypergonadism). In rare cases, the cause of premature teething may be a growing tumor (eg, eosinophilic granuloma), then teeth may erupt ahead of schedule entire groups of teeth.

How does teething affect a child’s well-being and health?

Beginning of eruption , as a rule, affects the child’s well-being. Often the process of teeth emerging is accompanied by malaise, restless behavior, sleep disturbances, and capriciousness of the child. Body temperature may rise to 37.5 0 C. Dyspeptic disorders (diarrhea), rashes on the skin of the face, and decreased weight gain of the child are also possible.

A decrease in the body's protective properties, observed during teething, can provoke the development of infectious and respiratory diseases.

If teething accompanied by an increase in body temperature, inflammation, and indigestion, such symptoms may be associated with the development of an infectious disease. Significant deviations in teething may be the result of problems with the child’s general health. With this development of events, it is necessary to examine the pediatrician and monitor the child’s condition.

Violation of deadlines and sequence teething , the absence of one or more teeth should alert parents. Such violations can lead to the formation malocclusion(dental anomaly). Malocclusion can be characterized by a number of deviations: tooth eruption outside the arch of the dentition, retention (the tooth remains in the jaw bone) of the tooth (teeth), incorrect arrangement of teeth in the dentition, rotation or tilt of the tooth, etc. Such changes should be a reason to contact an orthodontist. will help return your teeth to their place. That is why it is very important to notice the wrong teething.

Timing of teething

Newborn has no teeth , although, extremely rarely, there are cases of the birth of a child with erupted 1-2- me with my teeth. The first teeth in children (central incisors of the lower jaw) appear around 6-8- m month of life. Then the central incisors of the upper jaw erupt. IN 8-12 Within months, the lateral incisors appear first on the lower and then on the upper jaw. TO 12-16 month, the first molars erupt, 16-20 months - canines and by 20-30 months - second molars. This completes the formation of the primary bite, which consists of 20 teeth. Teething the child may be accompanied feeling unwell, fever, dyspeptic disorders.

Changing baby teeth permanent starts at age 7. Eruption of permanent teeth coincides with the resorption (resorption) of the roots of baby teeth. The change from a temporary bite to a permanent one begins with the appearance of the first molars of the lower jaw. Then the central incisors erupt at 8-9 years of age. The next ones to erupt are the first premolars (at 9-10 years), canines (10-11 years), second premolars (11-12 years), and second molars (12-13 years). The formation of a permanent bite ends by the age of 15-18 years. Third molars () erupt much later, at the age of 20-25 years.

Teeth	teething,	formation	Final "maturation"	Bookmark follicles (tooth buds)
Central	6 - 8	at 10	at 4-5 years old	at 8 months intrauterine development
	8 - 9	at 10	at 4-5 years old	at 8 months intrauterine development
Fangs	10 - 11	at 13 years old	at 6-7 years old	at 8 months intrauterine development
premolars	9 -10	at 12 years old	at 5-6 years old	at 2 years old
premolars	11 - 12	at 12 years old	at 6-7 years old	at 3 years old
	5 - 6	at 10	at 1-3 years	in the 5th month intrauterine development
	12 - 13	at the age of 15	at 7-8 years old	at 3 years old

The eruption of baby teeth shows that the baby has matured! Typically, teeth erupt when the child is six months old. However, these boundaries are much wider.

The order of teething is already determined by nature. Typically, the lower front teeth erupt first, followed by the upper ones.

The order and timing of teething in children

What happens to the baby, what to expect from these difficult months, what actions to take and when will all this finally end? Teething in children usually begins around six months; On average, by the age of one year, a baby has 8 incisors, and the eruption of all 20 baby teeth should be completed by 2.5 - 3 years. However, the timing of teething can vary greatly - they depend on heredity and the child’s nutrition.

In a newborn, the crowns of the front milk teeth are already formed, but lie in the dental sacs of the jaws. After birth, the formation and growth of roots begins, and interalveolar septa are formed. Then atrophy of the gum area occurs and the crown comes to the surface. The timing of the eruption of primary teeth is related to the physical condition of the child (living conditions, nutrition, illness, etc.). Girls start teething a little earlier than boys.

The diagram shows the order of eruption of baby teeth in a child up to 2 - 2 and a half years old.

The question of the order of teething is clearer. The first teeth to erupt are the lower row - the central incisors. They can grow simultaneously, or they can take turns. Following them, according to the principle of pairing of teeth of the same name, the upper incisors erupt.

Table. Timing of baby teeth eruption

The first to appear are the lower incisors - only a few. This occurs between six and nine months of age. However, the top units may be somewhat ahead of them. Their time is from seven to nine months.

Twos, both upper and lower, are expected a little later - from nine months to one year, the child already acquires these copies.

Fours (molars) are ahead of threes - they should be expected at 13-19 months. Don't worry about the mess, this is a normal situation.

Then fangs or triplets begin to erupt; they appear at the age of 16 to 23 months - by the age of two, your child will already have a fairly cute white-toothed smile.

The last teeth to appear, of course, are the quints or the second molars. They should erupt at 23-33 months.

Sometimes teething occurs earlier: some mothers notice the baby’s first tooth at four months, while other babies are born with a tooth. However, in the latter case, the tooth most often has to be removed - this is perhaps the only anomaly, but it can also be easily corrected.

At the 7th year of life, the replacement of baby teeth with permanent ones occurs, the time of eruption of which, as a rule, coincides with the resorption of the roots of baby teeth and their loss. In contrast, the formation of a permanent bite begins with the appearance of the first molars of the lower jaw and normally ends by 15-18 years. The central incisors (8-9 years), first premolars (9-10 years), canines (10-11 years), second premolars (11-12 years), second molars (12-13 years) sequentially erupt. The third molars of the lower jaw, or as they are sometimes called “wisdom” teeth, grow later, often after the age of 20-25 years.

Table. Timing of permanent teeth eruption

There was a time when it was believed that late teething was due to rickets, but this is not true! Numerous studies in this area show that delayed teething is characteristic of many normally developing babies.

Often baby teeth are located asymmetrically. Incorrect placement of baby teeth is not considered a disease! Such “dental disorder” has every right to exist until the dentition is completely closed, that is, until the first 16 teeth appear. Then, as a result of chewing food, the baby teeth “grind in” and fall into place.

Teething problems

A delay in teething may be a consequence of rickets, an infectious disease, prolonged dysfunction of the intestines and changes in metabolism. Earlier teething - endocrine disorders.

Parents of the child should be wary of the following:

• Delay in teething (longer than 1-2 months from normal).
• Earlier teething (earlier than 1-2 months from normal).
• Violation of sequence, absence of one or another tooth.
• Eruption of teeth outside the arch of the dentition.
• Incorrect formation of the tooth itself.
• Teething before birth.

The above situations may be a consequence pathological processes in the baby’s body and require consultation with a pediatrician and pediatric dentist.

Timing and order of teething. Video. Doctor Komarovsky:

There is no single pattern or timing for baby teething. The body of any child is strictly individual, which means that each child will erupt teeth at its own time.

Based on this, we can say that it is simply impossible to accurately determine the timing of the onset of teething, since they are unpredictable.

teething symptoms

The time when a child begins to erupt his first baby teeth is quite difficult. During this period, the child becomes capricious, constantly cries and shows anxiety.

The only troubles that can be explained by the appearance of teeth are mild “crankiness”, drooling and the formation of bad habits, for example, finger sucking. Appetite may decrease, the rhythm of sleep and wakefulness may be disrupted due to constant itching of the gums.

Body temperature rises very often during teething. The numbers usually do not exceed 38.5 degrees. The reason is the development of an inflammatory process in the child’s oral mucosa.

Vomiting and diarrhea are infrequent companions to the teething process. It may be that the child swallowed saliva. But if vomiting or diarrhea recurs, the body temperature rises - most likely the culprit of this condition is one or another infectious agent.

The process of teething significantly loads all systems of the child’s body. Therefore, despite all its naturalness and physiology, it is associated with quite serious discomfort and a number of unpleasant complications.

Of course, guaranteed means of getting rid of discomfort during teething simply does not exist. But it is still quite possible to help your baby and reduce the negative manifestations of this process. How to help your baby teething

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Parfenov Ivan Anatolievich

In the first years of life, all babies erupt baby teeth, which are subsequently replaced by permanent ones. The process is physiological and occurs spontaneously, mainly without outside intervention. How teeth change occurs and what you need to pay attention to will be discussed in the article.

Sequence of eruption of permanent teeth

Milk teeth have a weak root system, which begins to dissolve by the age of 7. Therefore, in addition to changing incisors and molars, a new bite is formed. Sequence of physiological process:

• from 6-7 years old first molars appear;
• further by 7-8 years the incisors located in the center are replaced;
• by 8-9 years lateral primary incisors are renewed with permanent units;
• at 10-12 years old the relay moves to the first premolars;
• constant clicks replace milk predecessors closer by 9-11 years;
• from 10-12 years old second premolars are erupting;
• by the age of 13 second molars are formed;
• third molars show during from 16 to 25 years old, for some people they never erupt.

Names of teeth for easy reference in tables.

The order and timing of teething

The table shows the approximate timing of the eruption of permanent teeth. Small differences are allowed for each age group, which is due to the individual characteristics of the body and the influence external factors.

Timing for the eruption of permanent units
Tooth name	Child's age
On the upper jaw
Center cutter	7-8 l
Lateral incisor	8-9 l
Fang	11-12 l
First premolar	10-11 l
Second premolar	10-12 l
First molar	6-7 l
Second molar	12-13 l
Third molar	17-25 l
On the lower jaw
Center cutter	6-7 l
Lateral incisor	7-8 l
Fang	9-10 l
First premolar	10-12 l
Second premolar	11-12 l
First molar	6-7 l
Second molar	11-13 l
Third molar	17-25 l

How long do permanent teeth grow?

There are no exact dates for the growth of permanent teeth; in each case, individual characteristics of the body and hereditary factors play a role.

Time frame for the final formation of the root system of molars:

• centrally located incisors– climb by age 10;
• lateral incisors– by 10 years;
• fangs- by the age of 13;
• first premolars– emerge by age 12;
• second premolars– 1 12 years;
• first molars– by 10 years;
• second molars– cut by the age of 15.

The rate of tooth growth is different for each group. Rapid eruption is observed in the second premolars; in six months they rise by 8 mm. The incisors located in the center rise by 12 mm per year, and the canines grow to 13 mm in two years.

If there is a slight increase over a long period of time, you should see a doctor. Perhaps the child has problems related to the replacement of milk units.

In what cases may they appear earlier/later and why?

If at least one tooth has grown by the age of one year, there is no reason to worry.

According to statistical data, in modern babies the period of eruption of the first teeth differs slightly from generally accepted normative indicators. White surfaces of the incisors are observed from 8.5 months of age.

Accordingly, the process of replacing dairy units with permanent units is also shifting. Pediatric dentists do not see any problems if a child has at least one tooth by the age of one year., and by the age of three the entire dairy group had formed.

In the complete absence of units, a thorough examination of the baby is carried out to identify provoking factors.

A discrepancy in the timing of teething may be due to a genetic factor or other reasons. Among the main provocateurs of process delays:

• previous infectious diseases;
• disruption of the gastrointestinal tract that occurred over a long period of time;
• problems with the metabolic functions of the body;
• lack of vitamin D (when diagnosing rickets);
• pituitary insufficiency.

It is not only the late teething that is alarming, but also their earlier appearance. Most often this occurs as a result of a disorder of the endocrine system (for example, Albright's syndrome, hyperthyroidism, hypergonadism).

A growing tumor (for example, eosinophilic granuloma) can provoke the eruption of one or a whole group of incisors before the age of six months.

Possible problems with deviations from the norm

Complete edentia is a case when teeth are completely absent.

Regardless of the fact that the molars have just appeared or are about to erupt in the mouth of their beloved child, parents should be vigilant, because there are many dental problems. The main issue is the delay in the growth of permanent teeth (a baby tooth has fallen out, but a new one has not appeared).

The reason may lie in a genetic predisposition or edentia, which arose due to a violation of the formation of rudiments during intrauterine development. If there is no way to influence the situation, the child is indicated for prosthetics.

When permanent teeth erupt, another problem may arise – pain. This is most often due to thin, not fully formed enamel, which does not have sufficient mineralization. It is at this stage that the tooth is susceptible to various diseases, in particular, damage to caries.

With deep destruction of dental tissues, even more serious diseases develop: pulpitis, periodontitis. So ignore toothache a child cannot, you need to make an appointment with a pediatric dentist as soon as possible.

At the very beginning of the growth of permanent teeth, other problems can occur:

• loss of radical unit– a signal about serious problems with the child’s health;
• increased level of injuries– the active lifestyle of children during the period of maturation of molars often leads to injury to the incisors and canines, and attempts to chew hard objects end in the breakage of molars and premolars.

Each case requires the intervention of a specialist to eliminate the negative consequences.

Timing of baby teeth eruption

Babies are born without teeth, although in history there are rare cases of children being born with one or even a pair of erupted units.

Usually, The first milk teeth appear at 6-8 months These are the central incisors. Over the course of 2 years, their root system, and from the age of 5 it begins to resolve. The process of decay of the roots of milk units is completed after a couple of years.

After the central milk teeth, the lateral incisors erupt (by 8-12 months). Their roots are absorbed within 2 years, starting at 6 years of age.

In the period from one to one and a half years, the first molars appear. Their root system is formed over 3.5 years. From the seventh year of life, the roots begin to dissolve. The decay process is completely completed after 3 years.