During the 15 years from 1986 to 2000 the Department of Dentistry and Oral Surgery, Ishikawa Prefectural Central Hospital treated 23 pediatric patients younger than 15 years old for jaw fractures. We performed open reduction and internal fixation on eight of these patients (five males and three females). The number of fractures is decreasing year by year. Male patients over the age of ten were in the majority. The main causes of fracture were traffic accidents, sports accidents, falls and violence. The locations of the fractures were mandibular body, angle and/or symphysis in all cases. Five cases were on one side and three cases were on both sides. The total number of fracture lines was 11. Titanium miniplate fixation was conducted for fixation of the fracture in all cases. In six out of eight cases maxillomandibular fixation was combined with miniplate fixation. Fixation was conducted for one to two weeks. Fixing pins were removed four to eight months after operation in all cases. No tooth follicle damage, tooth deformation, tooth eruption, dysfunction of occluding relation or facial deformation was observed during the follow-up period in any of the cases.

抄録全体を表示

The emergency center had taken a girl, who with attempted suicide by jumping-down. We found the child's face, with external injuries and we did multiple therapies with other sections.
The patient was a 14-year-old girl and the suicide was caused by complicated relations, etc. She was carried to the emergency center, by someone calling 119.
Multiple face injuries and bone fractures of both legs were recognized. The therapies were done with the orthopedic surgery and psychiatry because of the suicide attempts.
As the result, she could progress in her mind and body health. We reconfirmed the multidisciplinal therapies with several specialities, which were very important. Especially, it was necessary, the therapy to consider because of the background of the cause of the injuries.

抄録全体を表示

We reported a case of eosinophilic granuloma of the mandible in a 6-year-old boy. He complained of swelling at the left submandibular region with pain. This lesion appeared radiographically as radiolucent with a diffuse peripheral margin at the apical of the left first molar, and with the destruction of the cortical bone of the mandiblar edge. The lesion was surgically removed with the first and second molars in the mandible. The pathological diagnosis was eosinophilic granuloma. The lesion was found to be composed of histiocyte and eoginophils by hematoxylin and eosin staining. In the immunohistochemical study, histiocytic cells reacted positively with anti-S100 protein antibody. There has been no evidence of local recurrence for 3 years and 9 months since the surgery.

抄録全体を表示

We report a case of traumatic neuroma on the lower lip following enucleation of the mucocele, and add a brief discussion. A 4-year-old boy was referred to the 2nd Department of Oral & Maxillofacial Surgery, Meikai University School of Dentistry, complaining of a mass of the lower lip. The past medical history was significant in that the patient had a trauma on his lower lip at age of 1-year, and was treated for mucocele on the same region at age of 2. Physical examination revealed that the lesion was an elastic soft mass without pain. The patient was admitted to our hospital with a provisional diagnosis of recurrence of mucocele. Enucleation was performed under general anesthesia. Postoperative course was uneventful. Histological findings showed numerous, distinct neural bundles with a densely collagenous connective tissue. The diagnosis of traumatic neuroma was made.

抄録全体を表示

A male child case with left uni. C. L. A. P. combined with a conical surplus soft tissue (abridged as C. S. S. T.) on the middle portion of the lower lip was reported 2 days after the birth and the following treatments. The C. S. S. T. was very specified with fresh red colour and elastic soft like as the red portion of the normal lip and characteristic with a round base of the diameter 10mm and height 12mm. At birth, the tip of the C. S. S. T., existed on the lower red lip, was connected to the upper gum on the cleft alveolus, which was cut by the first doctor. Four months after the birth, the C. S. S. T. was cut-off at its base and the lower lip plasty was done, following the upper cheiloplasty by Croninmethod.
The histological finding of the excised C. S. S. T. was almost the same with normal red lip. After that, because of hyperplastic growth of the lower lip, surgical reduction was performed three times during 5 years. Histologically, the excised tissue shown normal epithelium and muscle mixed with scar tissue and didn't suggest any tumorlike tissues. At the age of 1 year and 9 months, palatoplasty was done. The general results have now, at 14 years old, morphologically and functionally no problem.
The genesis for formation of C. S. S. T. is important and interesting, therefore it has been discussed from various view points, but not yet enough clarified, because of its rarity. From the reported case it would be reasoned, as if the missed tissue of the left upper lip were transplanted on the border of lower red lip at the early stage of pregnancy .
Further research would be demanded and at the same time should be entrusted to the next researchers.

抄録全体を表示

A case report of a compound odontoma which was operated after four years and five months follow up
A 6-year-old boy visited a dental clinic, complaining of delayed eruption of teeth. On examination, in the panoramic radiograph, small multiple radio-opaque structures were found incidentally in the right side mandible. Then he was introduced to our outpatient clinic.
It was diagnosed as odontoma, however his permanent teeth eruption and the apex of the root canal were not accomplished. Then we followed up for four years and five months.
When he was 11 years and 3 months old, the lesion was removed under general anaesthesia. He has been followed up for one and a half-years with no evidence of recurrence.

抄録全体を表示

We encountered a relatively rare case of multiple mucous cyst of an infant's lower lip.
The patient was a 1-year and 6-month-old girl who had a multiple, painless mass (one was dome-shaped and the other was inverted heart-shaped) on the midline of the lower lip. The lesion was excised under general anesthesia. Histopathological examination revealed the lesion was composed of three mucous cysts with no epithelial lining.
There is no evidence of recurrence two years after surgical removal of the cysts.

抄録全体を表示