メタルセラミッククラウン修復

2023年6月5日 読了時間~5分 読了数11853

メタルセラミッククラウンは最も耐久性のある修復物の一つと考えられています。金属ベースとセラミックベニヤの2層構造になっています。金属は高い咀嚼負荷にも完璧に耐え、セラミックは自然な外観を与えます。

残念ながら、セラミックは歯科用合金ほど強くはなく、クラウンの表層に欠けが生じることがあります。

原因がある:

製造技術への違反; 不適切(過大)な咬合; 噛み合わせの変化; 強い機械的衝撃; 修理の適応症

欠けたクラウンの修復は、問題がセラミック層にある場合にのみ可能です。このような場合、大きな破片でも修復は可能です。しかし、金属部分に問題がある場合、古い構造を修復することは不可能で、交換するしかありません。

そのため、歯科医師は入れ歯を丁寧に扱うよう促している。

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接着剤による歯の修復

2023年9月4日 読書時間~5分 読書数5972

接着とは、2つの異なる材料の表面間の特殊な分子結合のことです。効率性と審美性を兼ね備えた方法で歯の修復を可能にしたのは、歯科における接着システムの登場です。

接着剤組成物を使用した結果、ハイブリッド層が形成され、このハイブリッド層はマイクロメカニカル結合と化学結合により強力な接着力を発揮する。

直接接着による歯の修復

歯の詰め物、被せ物、芸術的な修復は直接法で行われます。これは、印象採得を行わず、歯科医師が直接患者様の口腔内で歯を修復することを意味します。

ダイレクト法の適応症は、以下の修復である:

虫歯;虫歯は硬組織を破壊し、様々な大きさの空洞を作る。接着を利用して充填材で埋める。 エナメル質の非う蝕性病変;技術...
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Causes and symptoms of dental disease

October 18, 2023 Reading time ~ 4 min Number of reads: 1707

Dental diseases are a group of pathologies affecting the enamel and internal structure of the dental unit, the mucous membranes of the oral cavity, gums, chewing muscles and bones of the jaw.

Most dental diseases are infectious in nature and develop one after another in the absence of necessary treatment. Despite the opinion that such pathologies are considered not dangerous for people because of the risk of developing serious consequences for the body, this is not true. Consequences with improper treatment or lack thereof, can be very serious, up to lethal outcome.

Any disease is easier to prevent than to treat, so it is important to have an idea of the causes and symptoms of dental diseases in order to identify them in time and avoid complications.

Causes of dental disease in humans

Diseases of the teeth and gums can appear both due to the…

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Why shouldn’t you put off going to the dentist?

November 15, 2023 Reading time ~ 3 min Number of reads: 1354

We should not put off visiting the dentist because teeth are a very important organ of our body. If we don't keep an eye on their health, we can face many problems. And this is not only directly related to the dento-mandibular system, but also to the work of some organs of the body, as well as to our psychological state.

Why should not delay a visit to the dentist?

If you do not treat your teeth now, it will cost much more in the future. So, by addressing the problem today, you save money in the long run.

A simple example. Untreated caries turns into pulpitis, the price for endodontic manipulations is higher. Missed this stage - the peri-dental tissues are affected, up to catastrophic destruction of the crown, infection of the root, loosening of the unit and, as a consequence, extraction.

To delay dental treatment is to increase the ris…

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Implant or bridge – which is better for missing teeth?

Bridges and dental implants are used to replace missing teeth. With a bridge, only the outer, crown part is restored. An implant is an artificial root made of titanium, which is integrated into the bone tissue and takes over the functions of the natural tooth root. All things being equal, a classic bridge is not able to compete with implants. Although implant placement is a physiologic technology, the bridge prosthetics supported by your own teeth does not lose ground.

What is a dental bridge

A dental bridge is a fixed prosthetic structure consisting of several artificial crowns. It allows you to restore a segment of missing consecutive tooth units from 1 to 3. Two supports are required for attachment, which are your own teeth. That is why bridges are not used when the farthest units are lost (end defect).

The classic bridge is a framework in the form of several crowns made of metal or precious alloys, covered with a layer of ceramic …

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Dental implant or denture – which is better to choose

The loss of even one tooth is accompanied by changes in the functionality of the entire row. Neighboring teeth are distorted, shifted to the side of the missing tooth. Bone loss begins in the empty area. There is no need to talk about the violation of chewing function and psychological discomfort. Implantation and classical prosthetics will help to restore the smile in this case. But dental implantation completely solves the problem of functionality and aesthetics of the tooth row. It is a physiological, durable method of prosthetics.

Methods of restoration of missing teeth

For the installation of any prosthetic structure, a support is necessary. Removable prostheses can be fixed directly to the gums, while fixed prostheses are supported by your own teeth or implants.

Removable prosthetics

Removable structures based on nylon or acrylic (full plate prosthesis) are fixed in the mouth by suction to the gums. They are indicated for comple…

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An alternative to dental implants

August 29, 2024 Reading time ~ 7 min Number of reads: 99004

Patients are looking for an alternative to implantation because of financial or clinical limitations to implantation of artificial roots. Removable prostheses (bra, flexible, acrylic) and fixed products made of metal-ceramic, all-ceramic, zirconium (dental bridges) are able to replace the implants incompletely. Rarely missing units are replaced by displacing the neighboring ones with braces. Implantation is the preferred option: it guarantees an aesthetic, long-lasting and reliable result, with safety for the neighboring units and benefits for the jawbone.

When an alternative to dental implants may be necessary

Implantation is not organized for everyone. Contraindications to surgery are:

Psychiatric pathologies; immunodeficiency conditions; cancer; decompensated diabetes mellitus; rheumatism; blood clotting problems; dis…
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Dental implants in HIV infection

Acquired immunodeficiency syndrome (AIDS) is the last stage of HIV infection. The body's ability to resist infections and diseases is rapidly declining, which affects organs and systems. Until recently, implantation in HIV was considered impossible. The emergence of one-stage minimally invasive techniques has made it possible to implant implants in people with severe chronic pathologies, including HIV and AIDS. Even patients diagnosed with immunodeficiency or hepatitis can be successfully implanted with the RUTT implant.

Whether implants can be used with HIV

The human immunodeficiency virus (HIV) gradually destroys the immune system, using its resources to replicate new viral particles. At a certain point, the body's resistance decreases to a critical point. An HIV-infected patient develops severe diseases that are rare in people with normal immunity. These are called opportunistic or AIDS-associated diseases.

Implantation is a surgical…

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Dental implantation in hepatitis

Hepatitis is an inflammatory pathology of the liver. When the disease develops, increased bleeding of wounds is observed against the background of protein deficiency. The prolonged healing period limits the number of surgical interventions: implants implantation in patients with hepatitis is longer and more difficult. On the eve of implantation of implants in a patient with hepatitis it is important to make a thorough preparation: examination by an implantologist, medical examination, tests. Permission for implantation is given by the therapist.

Is it possible to implant teeth with hepatitis?

Hepatitis is not an absolute contraindication to implantation. The operation is done if a number of conditions are met:

hepatitis is diagnosed in remission; there are no manifestations of pathology; blood parameters are not disturbed; the patient undergoes regular preventive examinations with a specialized doctor and follows therapeutic principle…
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Can dental implants be placed with diabetes mellitus

November 6, 2023 Reading time ~ 6 min Number of reads: 7981

Diabetes mellitus is a pathology of the endocrine system, accompanied by insulin insufficiency and failure of carbohydrate metabolism in the body. High blood glucose concentration in diabetes worsens wound healing. This is a factor that previously prevented implantation in diabetics.

The impact of the disease on the condition of the teeth

With increasing blood sugar levels, the negative effect of glucose on the body increases - conditions for the development of a number of oral diseases appear:

Hyposalivation (saliva deficiency). Dry mouth destroys the enamel layer - caries develops, pathogenic microflora spreads in the oral cavity. At high rates, acetone is released, increasing the demineralization of enamel. Inflammation of the gums. The root system of the tooth is destroyed. Wounds take a long time to heal, with the attachment of inf…
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