Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
  • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
  • A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C13/00—Dental prostheses; Making same
  • A61C13/0003—Making bridge-work, inlays, implants or the like
  • A61C13/0006—Production methods
  • A61C13/0007—Production methods using sand blasting
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0012—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy
  • A61C8/0013—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
  • A61C8/0037—Details of the shape
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
  • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
  • A61C8/0059—Connecting devices for joining an upper structure with an implant member, e.g. spacers with additional friction enhancing means
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
  • A61C8/0075—Implant heads specially designed for receiving an upper structure
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
  • A61C8/0037—Details of the shape
  • A61C2008/0046—Textured surface, e.g. roughness, microstructure
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
  • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
  • A61C2008/0084—Provisional implants or abutments

Definitions

• the present invention relates to a provisional implant, and in particular to a provisional implant in which a patient can easily eat food, and a provisional implant is removed from a transplanted part after a transplanted part of a permanent implant is healed in such a manner that a provisional implant is transplanted at a portion near a permanent implanted transplanted in a jawbone, and a provisional artificial tooth is fixed thereby while a transplanted part of a permanent implant is healed.
• a certain stress should not be applied to a permanent implant by a chewing operation performed when a certain food is eaten, so that it is needed an intake of a certain smooth food when eating foods.
• a certain measurement should be applied in order to prevent a certain stress from being applied to a permanent implant.
• a food menu formed of smooth food a certain nutrition unbalance may occur in patients.
• a provisional implant is transplanted, and an artificial tooth is dentally complemented into a provisional implant. Therefore, an artificial tooth is used during a healing period.
• a provisional implant includes an abutment part engaged with a dental prosthesis, a neck part connected with the abutment part and accommodating a torque, and a b ody p art connected with the n eck part a nd having threads for transplantation into a jawbone.
• a provisional implant having threads is transplanted into a jawbone, since the area contacting with a bone part of a jawbone is largely increased based on threads, it is possible to implement a stable osseointegration.
• a provisional implant having threads has a certain problem during transplantation. A large number of tools are needed.
• a position of an abutment part is adjusted in order to dentally complement an artificial tooth at a precise position, a certain torque is applied to the neck part.
• a stress is concentrated at a floor part of threads, s o t hat a b one t issue i n t he j awbone engaged n ear t he floor part i s easily broken.
• an improved provisional implant comprising an abutment part engaged with a dental prosthesis; a flexible neck part connected with the abutment part; and a tapered body part connected with the neck wherein an end portion near the neck part has the maximum cross sectional area, and the opposite end portion has the minimum cross sectional area.
• an improved provisional implant comprising an abutment part engaged with a dental prosthesis; a flexible neck part connected with the abutment part; and a body part that is connected with the neck part and has a first tapered part in which an end portion near the neck part has the maximum cross sectional area, and the cross sectional area is gradually decreased in the direction of the lower side, an inversed tapered part connected with a lower side of the first tapered part wherein the cross sectional area is gradually increased, and a second tapered part connected with the inversed tapered part wherein the cross sectional are is gradually decreased in the direction of the a lower side of the body part.
• a plurality of flat surfaces or curved surfaces are formed on the body part, and the flat surfaces o r curved surfaces are formed at an angle of 60° from each other.
• the body part is surface-processed by a blasting method or a surface coating method.
• Figure 1A is a perspective view illustrating a provisional implant according to an embodiment of the present invention
• Figure 1 B is a front view illustrating a provisional implant according to an embodiment of the present invention
• Figure 1C is a cross sectional view taken along line A-A of Figure 1B
• Figure 2A is a perspective view illustrating a provisional implant according to another embodiment of the present invention
• Figure 2B is a front view illustrating a provisional implant according to another embodiment of the present invention
• Figure 2C is a cross sectional view taken along line B-B' of Figure 2B.
• FIGS 1A through 1C are views illustrating a provisional implant according to a first embodiment of the present invention.
• a provisional implant according to a first embodiment of the present invention includes an abutment part 10 that is adapted to support a provisional artificial tooth during a healing period until a dental complementation is performed after a permanent implant is transplanted and is engaged with a dental prosthesis, a flexible neck part 20 connected with the abutment part 10, and a tapered body part 30 that is connected with the neck part 20 and has the maximum cross sectional area at an end portion near the neck part 20 and has the minimum cross sectional area at the opposite end portion.
• the abutment 10 is formed in a tapered shape in which the cross sectional area of the u pper part is minimum, and the cross sectional area is gradually increased in the direction of the lower part.
• a plurality of grooves 11 are formed in an outer surface of the abutment part 10.
• a flat surface 13 is formed in the abutment part 10 for supporting an impression copping (not shown) in place.
• the neck part 20 connected with a lower side of the abutment part 10 is preferably is slim and flexible, so that it is easily bent when the position of the abutment part 10 is adjusted in order to dentally complement an artificial tooth at a precise position.
• a curved surface 31 is formed by cutting an outer surface of the body part 10. The curbed surface 31 is adapted to prevent the provisional implant 1 according to the present invention from being rotated in the bone tissue of the jawbone when the provisional implant 1 is transplanted into the jawbone.
• a flat surface may be formed on an outer surface of the body part 10 instead of the curved surface 31.
• the curves surface 31 has a larger contacting area with the bone tissue in the jawbone as compared to the flat surface, it is possible to more enhance the fixing force of the provisional implant in the bone tissue.
• the curved surface 21 or the flat surface are preferably provided in the multiple numbers, preferably in the number of three and are formed at an angle of 60° from each other for the reason that a resistance force with respect to the rotation is the largest in the case that each surface has the same angle from each other.
• a surface process such as a blasting or a surface coating is performed with respect to the body part 30 or the curved surface 31 or the flat surface of the body part 30, so that it is possible to more enhance the fixing force of the provisional implant in the bone tissue.
• FIGS 2A through 2C are views illustrating a provisional implant according to a second embodiment of the present invention.
• a provisional implant according to a second embodiment of the present invention includes an abutment part 10' engaged with a dental prosthesis, a neck part 20' connected with the abutment part 10', and a body part 30' that includes a first tapered part 33' that has the maximum cross sectional area in an end portion near the neck part 20' wherein the cross sectional area is gradually decreased in the direction of the lower side, an inversed tapered part 35' connected with the lower side of the first tapered part 33' wherein the cross sectional area is gradually increased, and a second tapered part 37' connected with the inversed tapered part 35' wherein the cross sectional area is gradually decreased in the direction of the lower side.
• the provisional implant of the second embodiment of the present invention has a difference in the construction of the body part 30' as compared to the provisional implant according to the first embodiment of the present invention. Namely, the abutment part 10' and the neck part 20' are the same as the earlier embodiment of the present invention. Therefore, only the construction of the body part 30' will be described.
• the body part 30' has a two-step tapered construction in which the first tapered part 33' and the second tapered part 37' are connected by the inversed tapered part 35', so that it is possible to effectively prevent the provisional implant 1 ' from being separated from the jawbone when it is transplanted into the jawbone.
• the flat surface or curved part formed on the body part is formed in the inversed tapered part of the connection part of each tapered shape, it is possible to further increase the fixing force of the provisional implant.
• a surface process such as a blasting or surface coating is performed with respect to the body part or the flat surface or curved surface for thereby further enhancing the fixing force.
• the curved surface 31 ' or flat surface is formed by cutting an outer surface of the body part 10 in the same manner as the first embodiment of the present invention. As shown in Figure 2B, the curved surface 31 ' or flat surface is formed on an outer surface of the body part 10 including the inversed tapered part 35', so that the fixing force of the provisional implant is further enhanced in the bone tissue.
• three curved surfaces 31 ' or flat surfaces are formed at an angle 60° from each other.
• a surface process such as a blasting or surface coating is performed with respect to the body part 30' or the curved surface 31 ' or flat surface of the body part 30' in the same manner as the first embodiment of the present invention, so that the fixing force of the provisional implant in the bone tissue is further enhanced.
• the provisional implant according to the present invention, it is not needed to perform a drilling work in a hole formed in a jawbone of a patient in order to transplant a provisional implant. Namely, transplantation is performed by a tapping method. Therefore, an implant is very easily performed. In addition, it is possible to minimize a damage of a bone tissue in a jawbone in such a manner that a stress that conventionally occurs in a body part transplanted into a jawbone in the case that a neck part of a provisional is bent by a torque applied thereto in order to adjust the position of an artificial tooth during a dental complementing operation.
• a surface process is performed with respect to a body part using a blasting method, etc., so that an engaging force with a bone tissue in a jawbone is enhanced.

Applications Claiming Priority (2)

Publications (1)

Family

ID=34836679

Family Applications (1)

Country Status (2)

Cited By (2)

Families Citing this family (4)

Citations (4)

• 2004
  • 2004-02-03 KR KR1020040006854A patent/KR20050078806A/ko active IP Right Grant
  • 2004-02-13 WO PCT/KR2004/000299 patent/WO2005074832A1/en active Application Filing

Patent Citations (4)

Also Published As

Similar Documents

Legal Events