Masticatory Function in a Patient with Mandibular Midline Cleft

Yamaoka, Minoru; Furusawa, Kiyofumi; Iguchi, Kosei; Kumai, Toshifumi; Machida, Junji

doi:10.1597/1545-1569_1993_030_0244_mfiapw_2.3.co_2

Cited by 2 publications

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“…A man with hemifacial microsomia with a lateral facial cleft and median mandibular cleft,was observed at 4,5,6,7,8,9,15 and 21 years of age, as was previously, reported 27 . Four patients with hemifacial microsomia in the left side were selected from the patients who visited our Oral and Maxillofacial Surgery or Orthodontic Department for treatment or consultation.…”

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confidence: 65%

Bone Mineral Density in Hemifacial Microsomia

Yamaoka

Nakamura

Okafuji

et al. 2006

Oral Science International

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We aimed to assess whether patients with hemifacial microsomia can be quantitatively identified using bone mineral density information. Mandibular bone mineral density was studied using computer assisted analysis between the nonaffected (r) and the affected (l) sides with an orthopantomograph in a patient with hemifacial microsomia with median mandibular cleft, and four patients who suffered from hemifacial microsomia in the left side. Fifty controls without bone diseases were randomly selected. Bone mineral density r/l ratios in the controls ranged from 0.479 to 2.064, and those in two patients that were associated with and without median mandibular cleft were higher than those in the controls, with a maximum of 8.622 in a particular male with median mandibular cleft after bone graft, whereas the r/l ratios in the other three cases were similar to the controls. Our findings indicate that the quantitative character in the case with median mandibular cleft reveals a large discrepancy of bone mineral density between the nonaffected and the affected sides. This may suggest a compensatory mechanism for bone hypertrophy from regulated bone mineral density with underdevelopment in hemifacial microsomia.

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Section: Subjectssupporting

confidence: 65%

Bone Mineral Density in Hemifacial Microsomia

Yamaoka

Nakamura

Okafuji

et al. 2006

Oral Science International

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Long-term observation of a case of first and second branchial syndrome: Particular focus on the development of an impacted supernumerary tooth

Nakayama

Yasuda

Nakamura

et al. 2004

Jpn. J. Oral Maxillofac. Surg.

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We report a rare case of an embedded supernumerary tooth in the left pterygoid process region of a patient with first and second branchial syndrome. A 3-month-old Japanese boy was referred to our clinic for treatment of a lateral facial cleft. The patient, birth weight 2960g, was born to a 29-year-old mother following an uncomplicated full-term pregnancy. He had a left lateral facial cleft, a left lateral cleft palate, a midline mandibular cleft, and absence of the left coronoid process. The surgical procedures were directed at repairing the anatomic defects of the left lateral facial cleft and the lower lip cleft at the age of 5 months. Then, a block iliac bone was used to repair the median cleft at the age of 6 years 2 months. In a panoramic radiograph at 2 years 8 months of age, an embedded supernumerary tooth was recognized near the left pterygoid process. We regularly observed the supernumerary tooth on panoramic radiographs until he was 21 years old. We have no reliable information on its origin because there is no cleft at the upper alveolar arch of the maxilla of this patient. Perhaps the supernumerary tooth originated from the dental germ in the coronoid process and wandered into the pterygoid process because of the

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Masticatory Function in a Patient with Mandibular Midline Cleft

Cited by 2 publications

References 1 publication

Bone Mineral Density in Hemifacial Microsomia

Bone Mineral Density in Hemifacial Microsomia

Long-term observation of a case of first and second branchial syndrome: Particular focus on the development of an impacted supernumerary tooth

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