Oral multidisciplinary collective "effort" to "save" ambush teeth early

After the at the age of 12, Xiao Wu did not know when he "lacked" an incisor. He always dared not speak to his teacher and classmates. Human character has also become very introverted and dumb. His parents discovered this problem very early. At first, he thought that his son changed his teeth too late. Until the 6th grade of elementary school, the teeth did not show signs of teeth. Xiao Wu's parents began to worry and took him to the local clinic to take a tension tablet. As a result, he found that the child's incisor was not missing, but "ambushing" in Xiao Wu's upper jaw.

Not only that, this "long sleeping" incisor is still lying in the tooth bed, which is very close to the roots of the adjacent teeth, and the ordinary correction method is difficult to work. Xiao Wu's parental committed difficulties. What should I do if my son's situation should be? Later, through online inquiries, they learned that Professor Yan Weijun, deputy director of the Department of Orthodontics of Harbin Medical University, led a MDT multidisciplinary ambush tooth traction treatment and went to healing. Two years later, with the efforts of the multi -disciplinary team experts, Xiao Wu's ambush teeth finally "see the sun again" and returned to the normal position. At the same time, he also gained a neat and white teeth, and the whole person became cheerful and lively, making many new friends.

What is the situation of ambush teeth

So, what is ambush? What is the reason to "imprisonment" in the tooth bed? Professor Yan explained that the oral clinical clinical tooth expires have passed and the teeth that still fail to grow in the jaw tissue are called ambush teeth; and the most common ambush teeth are often referred to as wisdom teeth and tiger teeth.

Ambush tooth can be roughly divided into two types of two types: one is that some ambush teeth may be "breaking out of bones" and replacing the deciduous teeth normally. If the lesions of the trees and trauma cause abnormal teeth, or the passage of the teeth "rising" is bound by multiple teeth, tooth tumors, such teeth may always stay in the alveolar bone and eventually form an ambush tooth. The second is that some ambush teeth may be more teeth. This kind of teeth are usually more common in the upper teeth area of ​​the upper jaw. If the multiple teeth are not removed in time, especially the deep teeth of the deep teeth, the ambush teeth may not get rid of the restraint and sprout themselves.

Yan Weijun pointed out that due to the interference of ambush to obstructing the teeth, the patient's tooth bow shape is often incomplete, asymmetric, medium -line or oblique, or the absorption of other neighboring roots, which hinders chewing function and jaw development. The occlusion relationship causes great damage. If the correction is not intervened in time, it can gradually change the normal structure of the face or the neighboring teeth, and it can easily evolve into a cyst. Especially in the anusement of the front teeth area, when there is only one incisor, the impact on the aesthetics may be greater.

It is necessary to intervene in time

Once a period of ambush and dental development to a certain length should be actively performed. Director Yan explained: Generally speaking, the treatment of ambush and obstructing wisdom teeth is to remove it. However, the situation is often much more complicated for the front teeth. Studies have shown that insufficient horizontal development of the upper jaw has a strong correlation with an ambush resistance of the front teeth. Therefore, before the formation of the upper jaw teeth, the narrow upper jaw bone is "expanded", that is, to give the palate side expansion to correct it, which helps prevent the front teeth from being "bed" in the alveolar bone.

Some studies have shown that early removal of niche tip teeth can promote ambush teeth that can promote different levels of growth. When the ambush tip tooth crown has not passed the midline of the side cut teeth, the maxillary tip teeth are removed before the age of 11, and the 91%of the ups and docal teeth of the maxillary hindrance will change the growth direction and obtain the "new life". When the ups and docile crown of the jaw is over -cut, the tip tooth is over the middle line, and the chance of ambush tooth is only 64%. Some scholars have found that removing the maxillary nipple teeth and the first milk grinding teeth, which is more effective in preventing the tip of the tip of the tip of the tip of the tip of the tip of the tip of the tip of the palate and the middle of the middle.

Director Yan pointed out that if the abnormal ambush upper jaw resistance has no effect on preventive methods such as the upper jaw palate and the removal of the tip teeth, the surgical opening window must be performed. In addition, the tissue of the tooth sac contains the osteocyte composition and active osteoplastial cells absorbed by the tooth root and bone tissue. Therefore, an ambush -hind -to -tip teeth with an increased tooth sac is a high -risk ambush tooth. It may be close to the root of the tooth, which brings absorption damage. It is recommended to take intervention measures early to "save" ambush teeth.

Facilities and disadvantages of opening window traction

Yan Weijun introduced that in the past, the treatment of ambush in the front teeth area was often pulled out directly, but this simple surgical tooth extraction method often waited until the mandibular development of the child was completed. In the long -term waiting process, ambush teeth will also be "stranded" for a long time, which ruthlessly occupy the space of other normal teeth, so that the child's teeth are crooked, out of the inside, and even seduce the jaw development abnormality; and some ambush 伏 伏Teeth are the normal teeth of patients, not many teeth. In this case, tooth extraction can cause obstacles to exercise their oral function.

Aiming at these tricky problems above, the correction method mainly based on orthodontic traction (opening window traction) has gradually become an important treatment method at this stage, and has a high clinical success rate. Professor Yan explained that this new technology is to open the windows to open the windows on the side of the lip lips or palate side of the patient's ambush tooth, expose the ambush crown, and then give conventional acid erosion bonding and traction, that is, Establish a special passage by operating, and then use external devices and strength to guide ambush teeth back to normal positions by orthodontic doctors to get the opportunity to "show".

However, there are certain disadvantages of this therapy: the first is that the opening of the window type must be performed in the surgical operating room, and the operating room is lacking in the operation equipment such as air guns, which is not convenient for orthodontic doctors to operate; the second is that the window opening range is relatively small. It is difficult to fully expose the obstructive tooth crown, plus the tissue around the teeth, there is a bleeding and osmotic liquid, the bonding space is limited, it is difficult to complete the humidity operation in the orthodontic adhesion, and the drop rate of the traction device is high, re -adhesive, re -stick It will increase the pain of children with children. Great wisdom power

At present, the Multi -disciplinary consultation (MDT) model is increasingly recognized and favored by both doctors and patients. This approach is a process of formulating personal chemotherapy plans for patients in a common discussion. The expertise and wisdom of the medical staff.

The above model has also been promoted to closed ambush tooth traction, which reflects the advantages of concentrated strengths such as oral orthodontics, oral and maxillofacial surgery, and oral and maxillofacial medical imaging department. Director Yan Weijun said that in the cooperation of closed ambush tooth traction MDT, the video data collection of the child's child is first completed by the oral and maxillofacial medical imaging physician, and the orthodontic doctors are based on the images of the orthodontics. Division of the preparations of the recommendations, design traction schemes and bonding fixed appliances, such as expanding ambush tooth gaps, and arranging other branches of neighboring teeth. Based on the windows of the patients with ambush tooth opening, fully exposed the ambush tooth crown; then orthodontic doctors give the ambush tooth eclipse and bond the teeth, bonding the orthodontic traction device; Soft tissue, only exposed traction elastic coils; every 4-6 weeks of the orthodontic doctors, the orthodontic doctors are tracted with ambush teeth, and eventually the ambush teeth are retrieved.

Compared with the traditional windows -type traction method, multidisciplinary combined closed ambush tooth traction does not require children to enter the operating room, and operation can be completed next to the conventional chair, which reduces the psychological burden of small patients and their parents; during the operation, MDT closed traction exposure to the ambush tooth is sufficient, facilitates acid erosion, bonding, and solidification, and the traction device's drop rate is extremely low. The scope is conducive to the traction of ambush tooth; the closing of the closed traction port is smaller, and it is also more likely to maintain oral hygiene than the traditional opening window traction.

It is understood that under the auspices of the two professors of Wang Peijun and Yan Weijun of Harbin Medical University School of Medicine, the current leading MDT multidisciplinary dental traction cooperative diagnosis and treatment team has successfully carried out more than 100 cases of closure ambush dental traction. The scope of treatment includes various types of types Cut the tooth and sharp lip and palate on the side of the lip and palate, and the clinical effect has reached the advanced domestic level.

Doctor of Stomatology, Chief Physician, Chief Physician, Associate Professor, and Master's Graduate Tutor

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