Precise tooth cutting machine needle

Abstract

The invention discloses a precise tooth cutting machine needle. The precise tooth cutting machine needle comprises a clamping section and a cutting section, wherein the cutting section is conical, andthe clamping section and the cutting section are in smooth transition. The stress borne by the cutting section in a tooth cutting process is gradually changed, so that sudden breakage is not prone tohappening; a plurality of mark lines are arranged on the surface of the clamping section in the axial direction, each mark line surrounds the cylindrical surface of the clamping section by a circle,the mark lines are different in color, different mark lines can express different cutting depths of the machine needle, and a medical staff can be effectively reminded, so that secondary injuries caused by the fact that the machine needle touches soft tissues due to too deep cutting are avoided; and the alveolar bone can be reserved to the maximum extent, so that good conditions are created for later-period implantation, particularly immediate implantation and false tooth repair of a patient.

Description

Technical field [0001] The invention belongs to the field of oral and maxillofacial surgery surgical instruments, and specifically relates to a precise dental cutting bur. Background technique [0002] Existing dental burs are driven by a dental handpiece to rotate at a high speed to cut teeth that need to be repaired or extracted. The space in the oral cavity is narrow, and the doctor’s field of vision is often very limited, and it is generally difficult to observe the cutting depth of the teeth; for example, if the mandibular third molar needs to be cut to the root bifurcation, if the length of the bur is too short, it will be buried too deep Incomplete tooth cutting, prolonging the operation time or even unable to completely remove the tooth; if the length of the bur is too long, it may damage the patient’s inferior alveolar nerve due to unclear vision and insufficient surgical experience in the process of cutting tooth tissue. Temporary or permanent nerve damage; excessive a...

AI Technical Summary

Problems solved by technology

The space in the oral cavity is narrow, and the doctor's field of vision is often very limited. It is generally difficult to observe the cutting depth of the tooth; for example, the extraction of the mandibular third molar needs to cut to the furcation. Tooth cutting is incomplete, prolonging the operation time and even the tooth cannot be completely extracted; if the length of the bur is too long, the patient’s inferior alveolar nerve may be damaged due to reasons such as unclear vision and insufficient surgical experience of the doctor during the process of cutting tooth tissue, resulting in Its temporary or permanent nerve damage; removal of too much alveolar bone during the operation affects the later implantation and denture restoration

Another example is when extracting maxillary teeth, especially the first maxillary molar, due to its anatomical characteristics, when the operator is not experienced enough, perforation of the maxillary sinus is prone to occur, which will increase the pain of the second operation for the patient

At the same time, it is difficult for the patient's position to cooperate with the doctor's assistant to maintain an ideal state, and it will change accordingly with the operation of the doctor's assistant, making it difficult to complete the dental operation smoothly; in addition, the dental bur rotates at a high speed and has external loads. Broken needles are prone to occur under the action, and the broken needles are often stuck in the oral tissue and difficult to remove, resulting in interruption of the operation and increasing the pain of the patient

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