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Способ определения позиции дентальных имплантатов на этапах реабилитации пациента с отсутствием зубов
专利权人:
发明人:
申请号:
RU2017102107
公开号:
RU2017102107A3
申请日:
申请国别(地区):
RU
年份:
2018
代理人:
摘要:
FIELD: medicine.SUBSTANCE: invention refers to medicine, namely, to surgical and orthopedic dentistry, and is intended for determining the position of dental implants on orthopantomograms of jaws, both during planning the implantation operation and after implant placement at all stages of rehabilitation of patients with no teeth. X-ray examination of the patient is performed, as a result of which the orthopantomogram of the jaws is obtained. Main anatomically stable landmarks for determining the position of dental implants in bone tissue on the orthopantomogram of the jaws are considered to be the “Dzn” points, which are located at the intersection of the line corresponding to the projection of the distal slope of the zygomatic process of the upper jaw with the boundary of the hard palate, the "C" points, which are located near the lateral walls of the nasal passage and the “Me” point – the lowest symphysis point on the chin. On the orthopantomogram of the jaws, as shown in Fig. 1, the “Dzn” points are marked and they are interconnected with the horizontal line. Resulting segment between the "Dzn" "Dzn" points is divided into two equal segments and the “K” point is obtained, from which the perpendicular is lowered until it intersects with the boundary of the lower edge of the lower jaw and thus builds the first vertical line – the line of the aesthetic center. Distance between the points – from "Dzn" to the “Dzn” point – is divided into three equal segments and the “C” points are obtained. Distance from the “Dzn” point to the “C” point is divided into three equal segments and the "M" and "Pr" points are obtained, the distance from the “C” point to the “K” point is divided into two equal segments and the “I” point is obtained. From the "Dzn", "M", "Pr", "C" and "I" points, perpendiculars are lowered from each side of the upper jaw to the intersection with the boundary of the lower edge of the lower jaw, thus, the guidelines are obtained for determining the position o
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