Dental implant and preparation method thereof

Abstract

The invention relates to a dental implant which comprises a neck implant section, a body implant section and a tail portion implant section which are sequentially connected. The end face of the neck implant section is provided with a center hole downwards penetrating through the body implant section. The body implant section is provided with a core made of compact metal and a peripheral part wrapping the outer side of the core and made of porous metal, and the center hole is located in the core. The core and the peripheral part are integrally formed through material increase manufacturing. The dental implant is prepared through a material increase manufacturing method, so that compact metal and porous metal are in seamless connection, machining efficiency is high, personalized customization is convenient, the micro-osmosis and infection problems can be effectively avoided, mechanical properties are good while biocompatibility is improved, micro-power resistance of the dental implant is improved easily, a tooth is prepared and loading is achieved immediately after the dental implant is implanted, further consultation time of a patient is shortened, the number of times of further consultation of the patient is reduced, the bone integration degree can be effectively improved, and stability is good.

Description

technical field [0001] The invention relates to the technical field of implant restoration after tooth defect, in particular to a dental implant and a preparation method thereof. Background technique [0002] Artificial tooth implant is to implant the dental implant into the upper / mandibular bone of the tooth-missing part of the human body through surgery. After the surgical wound heals, a device for repairing the denture is installed on the upper part of the dental implant. [0003] As a key component of implant technology, dental implants are required to have sufficient strength to offset the force generated when people chew, and to ensure that they can be well absorbed during implantation and use. Tissues such as blood, flesh and debris can prevent the invasion of bacteria and microorganisms, and avoid inflammation, loosening, and abutment shedding around the dental implant, which will affect the restoration effect of the implant. That is to say, the dental implant should...

AI Technical Summary

Problems solved by technology

[0004] At present, although there are dental implants on the market that are composed of porous metal and dense metal mechanically connected by common methods such as socketing and clamping, the connection between porous metal and dense metal mainly depends on machining. The accuracy is guaranteed, and the conventional preparation of porous metal cannot precisely control its processing size and shape. Therefore, on the one hand, traditional dental implants inevitably have the problem of poor connection between porous metal and dense metal. It is easy to cause micro-penetration problems, bacteria, microorganisms, etc. can easily invade the dental implant and cause infection, and the biocompatibility of the dental implant is relatively poor; on the other hand, it is difficult to control the overall strength of the dental implant. It is easy to produce stress shielding, so that the human bone cells cannot be well combined with the implanted dental implant, and the stability is poor, so it cannot be used for a long time

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