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Assessment of the Position of the Mandibular Foramen and Mandibular Lingula in Children and Adolescents using CBCT

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ÀÌÁöÇý, ÃÖ³²±â, ±èº´±â, ±è¼±¹Ì,
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ÀÌÁöÇý ( Lee Ji-Hye ) - Chonnam National University School of Dentistry Department of Pediatric Dentistry
ÃÖ³²±â ( Choi Nam-Ki ) - Chonnam National University School of Dentistry Department of Pediatric Dentistry
±èº´±â ( Kim Byung-Gee ) - Chonnam National University School of Dentistry Department of Pediatric Dentistry
±è¼±¹Ì ( Kim Seon-Mi ) - Chonnam National University School of Dentistry Department of Pediatric Dentistry

Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº CBCT¸¦ ÀÌ¿ëÇØ ¼Ò¾Æ¿¡¼­ ¿¬·É¿¡ µû¸¥ ÇϾǰø°ú ÇϾǼҼ³ÀÇ À§Ä¡ ¹× ÇϾǼҼ³ÀÇ ÇüŸ¦ Æò°¡ÇÏ°í, ÇÏÄ¡Á¶½Å°æ Àü´Þ¸¶Ãë ½Ã °í·ÁÇÒ ¼ö ÀÖ´Â ÀÚÀÔÁ¡À» Á¦½ÃÇÏ´Â °ÍÀÌ´Ù.
°úÀ×Ä¡ ¹ß°Å ¶Ç´Â ¸Åº¹Ä¡ Æò°¡¸¦ À§ÇØ CBCT¸¦ ÃÔ¿µÇÑ ¸¸ 6 - 16¼¼ÀÇ ¿µ»óÀ» ¼öÁýÇÏ¿´´Ù. ¿¬·É¿¡ µû¶ó ¸¸ 6 - 7¼¼, 10 - 11¼¼, 15 - 16 ¼¼ÀÇ 3±ºÀ¸·Î ºÐ·ùÇÏ¿´À¸¸ç ±º´ç ³²³à °¢ 30¸í¾¿À» Æ÷ÇÔÇÏ¿© ÃÑ 180¸íÀÇ ÇϾÇÁö Á¿찡 ºÐ¼®µÇ¾ú´Ù. Á¿ì ÃøÀÇ ÇϾǼҼ³·ÎºÎÅÍ ÇϾÇÁöÀÇ Àü¿¬, ÈÄ¿¬, »ó¿¬, ÇÏ¿¬±îÁöÀÇ ÃִܰŸ®¸¦ °èÃøÇÏ°í ÇϾǼҼ³°ú ÇϾǰø »çÀÌÀÇ ÃִܰŸ®, ±³ÇÕÆò¸é¿¡ ´ëÇÑ ÇϾǼҼ³°ú ÇϾǰø »çÀÌÀÇ ¼öÁ÷°Å¸®¸¦ °¢°¢ ÃøÁ¤ÇÏ¿´´Ù. ÇϾǼҼ³ÀÇ ÇüŸ¦ ±âÁØ¿¡ µû¶ó 4°¡Áö ÇüÅ·ΠºÐ·ùÇÏ¿© Æò°¡ÇÏ¿´´Ù.
ÇϾÇÁöÀÇ ÀüÈÄ¹æ ¹× ¼öÁ÷Àû ±âÁØÁ¡À¸·ÎºÎÅÍ ÇϾǼҼ³ÀÇ À§Ä¡´Â ¿¬·É¿¡ µû¶ó ¸ðµç ¹æÇâÀ¸·Î Áõ°¡ÇÏ´Â ¾ç»óÀ» º¸¿´À¸¸ç ÇϾǼҼ³°úÇϾǰø »çÀÌÀÇ °Å¸® ¿ª½Ã ¿¬·É¿¡ µû¶ó Áõ°¡ÇÏ´Â ¾ç»óÀ» º¸¿´´Ù. ±³ÇÕÆò¸é¿¡ ´ëÇÑ ÇϾǼҼ³ ¹× ÇϾǰøÀÇ °Å¸®´Â ¿¬·É¿¡ µû¶ó »ó¹æÀ¸·ÎÀ̵¿ÇÏ´Â ¾ç»óÀ» º¸¿´´Ù. ÇϾǼҼ³ÀÇ ÇüÅ´ »ï°¢Çü ÇüÅ°¡ °¡Àå ¸¹¾Ò°í °áÀýÇü, ÀýµÎÇü, µ¿È­Çü ¼øÀ̾úÀ¸¸ç ¿¬·É¿¡ µû¸¥ Â÷ÀÌ´Â º¸ÀÌÁö ¾Ê¾Ò´Ù.
¿¬±¸¸¦ ÅëÇØ ¼öÆòÀûÀÎ ¸¶ÃëÀÇ ÀÚÀÔÁ¡Àº ÇϾÇÁöÀÇ Àü¿¬À¸·ÎºÎÅÍ ¿¬·É¿¡ µû¶ó °¢°¢ 17 mm, 18 mm, 19 mm·Î Áõ°¡µÈ ÁöÁ¡ÀÌ ±ÇÀåµÇ¸ç, ¼öÁ÷ÀûÀÎ ¸¶ÃëÀÇ ÀÚÀÔÁ¡Àº ¿¬·É¿¡ µû¶ó ±³ÇÕÆò¸é »ó¹æ 2 - 3 mm, 5 - 6 mm, 9 - 10 mm·Î ÀÚÀÔÁ¡À» ³ôÀÌ´Â °ÍÀÌ ±ÇÀåµÈ´Ù

The purpose of this study is to evaluate the position of the mandibular foramen and location and morphological characteristics of the mandibular lingula using Cone-Beam Computed Tomography (CBCT).
Mandibular CBCT images of children aged 6 - 16 years were collected. A total of 180 patients were divided into 3 groups, 6 - 7, 10 - 11 and 15 - 16 years, with 30 male and female patients per group. Either side of the ramus was analyzed. The shortest distances from the anterior, posterior, superior and inferior border of the ramus to the mandibular lingula were measured. The shortest distance between the mandibular lingula and the mandibular foramen was also measured. The vertical distance from the mandibular lingula and the mandibular foramen to the occlusal plane was measured. The shapes of the mandibular lingula was classified into 4 types according to the criteria.
The distances of the mandibular lingula from the anteroposterior and vertical reference points of the ramus increased in all directions with age. The distance between the mandibular lingula and the mandibular foramen also increased with age. The location of the mandibular lingula and the mandibular foramen in relation to the occlusal plane moved upwards with age. The most common shape of the mandibular lingula was triangular, followed by nodular, truncated and assimilated, and there was no difference in the shape according to age.
It is recommended that the horizontal insertion point of the anesthesia from the anterior border of the ramus increased to 17 mm, 18 mm, and 19 mm according to the age groups. It is also suggested that the vertical insertion point increased by 2 - 3 mm, 5 - 6 mm and 9 - 10 mm above the occlusal plane according to the age groups.

Å°¿öµå

Mandibular foramen; Madibular lingula; Cone-beam computed tomography

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