What are the types of dentures?
What are the types of dentures?
1¡¢ Fixed class
(1) Ordinary Ni Cr alloy porcelain
Advantages: low price, economic benefits;
Disadvantages: the gums are easy to stain and appear black and gray. The inner crown is made of base metal nickel chromium alloy casting. In the complex oral environment, the metal part exposed in the mouth will slowly decompose and release black oxide, leading to local tissue staining, which is the most important reason for this kind of restoration experience leading to gingival black line.
It is reported that 20% of Asian women are allergic to nickel. There are some reports about the sensitization and carcinogenicity of nickel and beryllium ions to human body, but there are still some controversies.
(2) Cobalt chromium alloy porcelain fused to metal teeth
When many patients can't afford the expensive cost of precious metal porcelain teeth and have doubts about the metal materials of ordinary Ni Cr alloy porcelain, practical and economical co Cr alloy will be the most rational choice; Cobalt chromium alloy was first used to make artificial joint, which has good biocompatibility. Now it has been widely used in the field of prosthodontics. Because it does not contain harmful elements of nickel and beryllium, safe, reliable and reasonable price has become the ideal choice for the majority of patients. But for the poor light permeability, the anterior teeth were bluish black under the fluorescent lamp.
(3) Pure titanium porcelain fused to metal teeth
advantage:
1. It has very low heat conduction and no stimulation to vital pulp teeth.
The specific gravity of titanium is only 1 / 4 that of Jinde and 1 / 2 that of cobalt chromium. Strength is the best of all metals.
3. Titanium is half resistant to X-ray, which is not possessed by other metal materials.
4. Titanium has excellent biocompatibility and corrosion resistance. No stimulation, gingival atrophy, no discoloration, no swelling, safe and reliable.
The disadvantage is that the pure titanium has poor bonding with the porcelain layer, and the porcelain is easy to collapse when the chewing force is too large.
(4) , precious metal porcelain teeth:
Gold platinum alloy porcelain fused to metal crown, gold deposition porcelain fused to metal crown and silver palladium alloy porcelain fused to metal crown are called precious metal porcelain fused to metal crown. The inner crowns are gold platinum alloy, 99.99% electroplated pure gold and silver palladium alloy respectively. They are all inert metals with excellent biocompatibility, strong metal porcelain bonding force, soft color, no dark shadow, and refraction does not affect the magnetic resonance imaging and other instrument examination. It is the best choice to replace pure titanium and titanium alloy porcelain.
(5) Three generations of yihuojia cast porcelain (all ceramic)
After 15 years of clinical verification, IPS Empress all ceramic system has been proved to have a long-term natural effect by wearing 25 million restorations; With excellent biocompatibility, ideal light permeability and perfect cosmetic effect, there are a large number of successful cosmetic repair cases in clinic. But its hardness is not as high as zirconia all ceramic crown. It is not suitable for the design of fixed bridge denture.
(6) Computer cutting zirconia all ceramic crown
The world's only computer-aided design of fully automatic mechanical cutting zirconia all ceramic teeth, specially designed for the premolars of the anterior jaw, has unparalleled light transmission and strength, can achieve the best aesthetic effect, can use the traditional bonding method. The disadvantage is that the cost is high at present.
(7) All ceramic veneer:
If there is no big defect of teeth, but only poor color, we suggest that you adopt the most minimally invasive repair method of oral beauty, which can achieve almost perfect aesthetic effect.
1. It is through grinding off a layer (about 0.3-0.5mm) of the labial and buccal surface of the teeth evenly, and then reshaping the shape and color of the teeth with special dental ceramic materials. Because the color index of the teeth can be accurately controlled, the cosmetic effect is very good, and the wear resistance is similar to that of the teeth; Abnormal tooth color (such as tetracycline teeth, dead pulp teeth, dental fluorosis and tooth color aggravation due to aging), enamel defect (such as enamel hypoplasia and deformity, partial tooth defect but no pulp exposure, etc.), dislocated teeth (such as a few teeth twist or dislocation, healthy teeth but patients do not want to accept orthodontic treatment), anterior teeth malocclusion (mild anterior teeth malocclusion, According to the change of the shape of the labial and lingual surface of the teeth, we can adjust the anterior tooth guide and the median contact area, repair the bad labial surface (the thick or superficial labial surface of the teeth is not beautiful), wear the anterior teeth (the progressive and slow wear of the anterior teeth has enough enamel, and the porcelain veneer can restore its shape, color and function)
Advantages: the amount of tooth grinding is only about 1 / 3 of that of conventional porcelain fused to metal restoration, and it does not damage the adjacent joint and lingual tooth hard tissue, and the taste does not change. Transparent, beauty effect is remarkable.
(8) Dental implants
Dental implant is a kind of implant made of high-tech synthetic materials. One end of the implant is implanted into the alveolar bone of the missing area, and the other end is exposed to the oral cavity; It is composed of implant and upper structure supported by implant; Generally speaking, dental implant is to implant artificial materials into the alveolar bone of edentulous area through alveolar surgery as artificial root, and then repair the missing teeth on this basis. The operation of dental implant is very small and safe. There is no need to be hospitalized. The operation is completely painless and can be eaten after the operation.
2¡¢ Activities
(1) Removable partial denture
1. There are many missing teeth. You can choose this kind of removable denture with cast steel bracket, which is cheap and easy to clean
2. Invisible denture
It is suitable for anterior transitional denture. No clasp, beautiful design, good retention. It should not be used for a long time because of the pressure and stimulation on gingiva.
3. Complete denture
The most common is this, of course, you can also choose planting, planting effect is good, the cost is high
Artificial resin teeth: Holly's three-layer color, base: ordinary base
Holly's four-layer color, high strength base
Dentsberg high wire grinding resin teeth and steel brackets (co Cr alloy, pure titanium)
Dunsberg IPN resin teeth; Reinforced metal mesh
Loose wind plastic steel teeth
SONGFENG nano resin teeth
Yihuojia three layer resin teeth
3¡¢ Fixed + active
In traditional removable dentures, metal clasps used for denture retention can be seen from time to time. In clinical work, patients often put forward such a request to the doctor: "doctor, can you remove the metal hook on the denture, I don't want to expose the metal". In the past, patients can only get a negative answer; Modern dental technology will realize the beautiful dream of these patients
(1) , telescopic crown attachment (double crowns)
The double crown structure of telescopic crown is used to connect the denture and abutment. The telescopic crown is composed of an inner crown and an outer crown. The inner crown is bonded to the abutment, and the outer crown is connected with other components of the denture as a whole. The denture generates retention force through the friction between the inner crown and the outer crown, so that the denture can achieve good retention
Telescopic crown denture has unique characteristics: like all other precision attachments, it can combine the advantages of removable denture, easy to clean, with the advantages of fixed denture, such as good functional recovery and small foreign body sensation. It is especially suitable for denture restoration after periodontal disease treatment, and can play a good role in periodontal splint.
(2) MK1 precision attachment
The successful design and clinical trial of MK1 precision attachment represents the latest level of dental technology development. The function of the system is very strong, and the patients can easily take off and wear it. It can be applied to the restoration of tooth space, unilateral and bilateral free loss, to the remaining single tooth or post crown connection
(3) Bolt way precision attachment
It is the best design that can not be directly used for fixed denture
1. Strong retention and good stability. Perfect restoration of missing teeth function
2. Beautiful and metal free
The area of the base is small and the foreign body sensation is small
4 convenient for patients to clean themselves
(4) Spherical precision attachment (quick set type)
(5) , taijikou
Taijikou is a simple, reliable and highly adaptable attachment system for removable prosthesis developed to meet the needs of professional dentists. Taijikou is the most widely recognized elastic dental attachment. In the removable partial denture treatment, tooth support and implant supported overdenture cases, Taiji clasp is the best choice for experienced dentists who are just beginning to make precision attachments. Every month, around the world, dentists and technicians make thousands of taijikou retention prostheses. At the same time, patients use them without scruple.
(6) Magnetic attachment
The residual crown and root were preserved as overdenture, and the magnetic force of magnet was used to enhance the retention; The magnet imported from Japan has good retention and high masticatory efficiency, which is significantly higher than that of complete denture.
These are the main restoration methods after tooth loss. You can choose one that suits you according to your missing teeth.
1¡¢ Fixed class
(1) Ordinary Ni Cr alloy porcelain
Advantages: low price, economic benefits;
Disadvantages: the gums are easy to stain and appear black and gray. The inner crown is made of base metal nickel chromium alloy casting. In the complex oral environment, the metal part exposed in the mouth will slowly decompose and release black oxide, leading to local tissue staining, which is the most important reason for this kind of restoration experience leading to gingival black line.
It is reported that 20% of Asian women are allergic to nickel. There are some reports about the sensitization and carcinogenicity of nickel and beryllium ions to human body, but there are still some controversies.
(2) Cobalt chromium alloy porcelain fused to metal teeth
When many patients can't afford the expensive cost of precious metal porcelain teeth and have doubts about the metal materials of ordinary Ni Cr alloy porcelain, practical and economical co Cr alloy will be the most rational choice; Cobalt chromium alloy was first used to make artificial joint, which has good biocompatibility. Now it has been widely used in the field of prosthodontics. Because it does not contain harmful elements of nickel and beryllium, safe, reliable and reasonable price has become the ideal choice for the majority of patients. But for the poor light permeability, the anterior teeth were bluish black under the fluorescent lamp.
(3) Pure titanium porcelain fused to metal teeth
advantage:
1. It has very low heat conduction and no stimulation to vital pulp teeth.
The specific gravity of titanium is only 1 / 4 that of Jinde and 1 / 2 that of cobalt chromium. Strength is the best of all metals.
3. Titanium is half resistant to X-ray, which is not possessed by other metal materials.
4. Titanium has excellent biocompatibility and corrosion resistance. No stimulation, gingival atrophy, no discoloration, no swelling, safe and reliable.
The disadvantage is that the pure titanium has poor bonding with the porcelain layer, and the porcelain is easy to collapse when the chewing force is too large.
(4) , precious metal porcelain teeth:
Gold platinum alloy porcelain fused to metal crown, gold deposition porcelain fused to metal crown and silver palladium alloy porcelain fused to metal crown are called precious metal porcelain fused to metal crown. The inner crowns are gold platinum alloy, 99.99% electroplated pure gold and silver palladium alloy respectively. They are all inert metals with excellent biocompatibility, strong metal porcelain bonding force, soft color, no dark shadow, and refraction does not affect the magnetic resonance imaging and other instrument examination. It is the best choice to replace pure titanium and titanium alloy porcelain.
(5) Three generations of yihuojia cast porcelain (all ceramic)
After 15 years of clinical verification, IPS Empress all ceramic system has been proved to have a long-term natural effect by wearing 25 million restorations; With excellent biocompatibility, ideal light permeability and perfect cosmetic effect, there are a large number of successful cosmetic repair cases in clinic. But its hardness is not as high as zirconia all ceramic crown. It is not suitable for the design of fixed bridge denture.
(6) Computer cutting zirconia all ceramic crown
The world's only computer-aided design of fully automatic mechanical cutting zirconia all ceramic teeth, specially designed for the premolars of the anterior jaw, has unparalleled light transmission and strength, can achieve the best aesthetic effect, can use the traditional bonding method. The disadvantage is that the cost is high at present.
(7) All ceramic veneer:
If there is no big defect of teeth, but only poor color, we suggest that you adopt the most minimally invasive repair method of oral beauty, which can achieve almost perfect aesthetic effect.
1. It is through grinding off a layer (about 0.3-0.5mm) of the labial and buccal surface of the teeth evenly, and then reshaping the shape and color of the teeth with special dental ceramic materials. Because the color index of the teeth can be accurately controlled, the cosmetic effect is very good, and the wear resistance is similar to that of the teeth; Abnormal tooth color (such as tetracycline teeth, dead pulp teeth, dental fluorosis and tooth color aggravation due to aging), enamel defect (such as enamel hypoplasia and deformity, partial tooth defect but no pulp exposure, etc.), dislocated teeth (such as a few teeth twist or dislocation, healthy teeth but patients do not want to accept orthodontic treatment), anterior teeth malocclusion (mild anterior teeth malocclusion, According to the change of the shape of the labial and lingual surface of the teeth, we can adjust the anterior tooth guide and the median contact area, repair the bad labial surface (the thick or superficial labial surface of the teeth is not beautiful), wear the anterior teeth (the progressive and slow wear of the anterior teeth has enough enamel, and the porcelain veneer can restore its shape, color and function)
Advantages: the amount of tooth grinding is only about 1 / 3 of that of conventional porcelain fused to metal restoration, and it does not damage the adjacent joint and lingual tooth hard tissue, and the taste does not change. Transparent, beauty effect is remarkable.
(8) Dental implants
Dental implant is a kind of implant made of high-tech synthetic materials. One end of the implant is implanted into the alveolar bone of the missing area, and the other end is exposed to the oral cavity; It is composed of implant and upper structure supported by implant; Generally speaking, dental implant is to implant artificial materials into the alveolar bone of edentulous area through alveolar surgery as artificial root, and then repair the missing teeth on this basis. The operation of dental implant is very small and safe. There is no need to be hospitalized. The operation is completely painless and can be eaten after the operation.
2¡¢ Activities
(1) Removable partial denture
1. There are many missing teeth. You can choose this kind of removable denture with cast steel bracket, which is cheap and easy to clean
2. Invisible denture
It is suitable for anterior transitional denture. No clasp, beautiful design, good retention. It should not be used for a long time because of the pressure and stimulation on gingiva.
3. Complete denture
The most common is this, of course, you can also choose planting, planting effect is good, the cost is high
Artificial resin teeth: Holly's three-layer color, base: ordinary base
Holly's four-layer color, high strength base
Dentsberg high wire grinding resin teeth and steel brackets (co Cr alloy, pure titanium)
Dunsberg IPN resin teeth; Reinforced metal mesh
Loose wind plastic steel teeth
SONGFENG nano resin teeth
Yihuojia three layer resin teeth
3¡¢ Fixed + active
In traditional removable dentures, metal clasps used for denture retention can be seen from time to time. In clinical work, patients often put forward such a request to the doctor: "doctor, can you remove the metal hook on the denture, I don't want to expose the metal". In the past, patients can only get a negative answer; Modern dental technology will realize the beautiful dream of these patients
(1) , telescopic crown attachment (double crowns)
The double crown structure of telescopic crown is used to connect the denture and abutment. The telescopic crown is composed of an inner crown and an outer crown. The inner crown is bonded to the abutment, and the outer crown is connected with other components of the denture as a whole. The denture generates retention force through the friction between the inner crown and the outer crown, so that the denture can achieve good retention
Telescopic crown denture has unique characteristics: like all other precision attachments, it can combine the advantages of removable denture, easy to clean, with the advantages of fixed denture, such as good functional recovery and small foreign body sensation. It is especially suitable for denture restoration after periodontal disease treatment, and can play a good role in periodontal splint.
(2) MK1 precision attachment
The successful design and clinical trial of MK1 precision attachment represents the latest level of dental technology development. The function of the system is very strong, and the patients can easily take off and wear it. It can be applied to the restoration of tooth space, unilateral and bilateral free loss, to the remaining single tooth or post crown connection
(3) Bolt way precision attachment
It is the best design that can not be directly used for fixed denture
1. Strong retention and good stability. Perfect restoration of missing teeth function
2. Beautiful and metal free
The area of the base is small and the foreign body sensation is small
4 convenient for patients to clean themselves
(4) Spherical precision attachment (quick set type)
(5) , taijikou
Taijikou is a simple, reliable and highly adaptable attachment system for removable prosthesis developed to meet the needs of professional dentists. Taijikou is the most widely recognized elastic dental attachment. In the removable partial denture treatment, tooth support and implant supported overdenture cases, Taiji clasp is the best choice for experienced dentists who are just beginning to make precision attachments. Every month, around the world, dentists and technicians make thousands of taijikou retention prostheses. At the same time, patients use them without scruple.
(6) Magnetic attachment
The residual crown and root were preserved as overdenture, and the magnetic force of magnet was used to enhance the retention; The magnet imported from Japan has good retention and high masticatory efficiency, which is significantly higher than that of complete denture.
These are the main restoration methods after tooth loss. You can choose one that suits you according to your missing teeth.
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