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Radiosurgical Techniques
Published in Jeffrey A Sherman, Oral Radiosurgery, 2020
A 9-year-old male student reported to the office with a midline diastema. Clinical examination revealed a broad frenum connecting with the palatal papilla. It was decided that a frenectomy would be performed to eliminate tension on the marginal gingiva and to facilitate future orthodontic treatment.
Making the Best of Limited Resources and Challenges Faced in Human Rights Investigations
Published in Heather M. Garvin, Natalie R. Langley, Case Studies in Forensic Anthropology, 2019
Eugénia Cunha, Maria Teresa Ferreira, Cristina Cordeiro, Duarte Nuno Vieira
The identification process began by assessing all possible biological profile information from the skulls, ossa coxae, humeri, and femora. We applied metric and non-metric approaches for sex estimation (following Asala, 2001; Beauthier, 2011; Işcan & Steyn, 2013). Age indicators included the 4th rib, pubic symphysis, auricular surface, sternal end of the clavicle, vertebral bodies, degenerative changes, and root transparency of monoradicular teeth (again following Asala, 2001; Beauthier, 2011; Işcan & Steyn, 2013). Ancestry was assessed using non-metric features of the skull, namely of the face (Hefner, 2009; Işcan & Steyn, 2013), and, whenever possible, craniometric data were used to estimate ancestry. Stature was estimated on the basis of femoral lengths (Lundy, 1983). Invariably, all 21 individuals from the mass grave were young adult males of African ancestry, providing no assistance in discerning the individual identity of the missing individuals. Efforts then focused on individualizing traits. In the face, the presence of anterior diastemas, antemortem fractures to the anterior dentition, dental prostheses, and dental treatments were among the most diagnostic features. For the postcrania, preexisting pathological changes in bones included mild degenerative osteophytic changes on the vertebral bodies, especially the lumbar region.
Orthognathic surgery – maxilla (Le Fort I, II and III)
Published in John Dudley Langdon, Mohan Francis Patel, Robert Andrew Ord, Peter Brennan, Operative Oral and Maxillofacial Surgery, 2017
When the maxilla needs to be separated into three pieces, similar cuts are performed in the back of the hard palate and then, in addition to connecting to osteotomies across the midline of the hard palate, the cuts are extended laterally to finish, most often, between the upper canines and the lateral incisors on each side. To avoid damage to the teeth adjacent to the planned osteotomies, it is necessary to have the roots orthodontically diverged prior to surgery. It is not necessary to have a diastema between the crowns.
Occlusal traits, orthodontic treatment need and treatment complexity among untreated 17–21-year-olds in Estonia
Published in Acta Odontologica Scandinavica, 2019
Hettel Sepp, Mare Saag, Timo Peltomäki, Heli Vinkka-Puhakka, Anna-Liisa Svedström-Oristo
Four more features were verified from the plaster casts jointly by Examiner 1 and Examiner 2: 1) an end-to-end relationship in canines and 2) first molars, on the left and right sides, 3) crowding and 4) diastemas between central incisors. Registration of the occlusal traits was based on international standards [10–12]. A detailed description of the criteria has been presented previously [13]. Orthodontic treatment need and complexity were assessed from the plaster casts using the Index of Complexity, Outcome and Need [14]. A threshold score of more than 43 indicates treatment need. Scores <29 indicate easy, 29–50 mild, 51–63 moderate, 64–77 difficult and >77 very difficult treatment complexity. Participants’ opinions regarding their dental health, alignment of teeth, dental appearance and orthodontic treatment need were collected with a questionnaire [15].
Nance–Horan syndrome in females due to a balanced X;1 translocation that disrupts the NHS gene: Familial case report and review of the literature
Published in Ophthalmic Genetics, 2018
Laura Gómez-Laguna, Alejandro Martínez-Herrera, Alejandra del Pilar Reyes-de la Rosa, Constanza García-Delgado, Karem Nieto-Martínez, Fernando Fernández-Ramírez, Tania Yanet Valderrama-Atayupanqui, Ariadna Berenice Morales-Jiménez, Judith Villa-Morales, Susana Kofman, Alicia Cervantes, Verónica Fabiola Morán-Barroso
She is the mother of patient 1 (individual II.4, Figure 1A). She was diagnosed with bilateral congenital cataracts at 4 years of age that were surgically treated, and had multiple dental alterations including diastema that required orthodontic treatment. At present, she is 36-years-old, has a long narrow facies, broad forehead, long nose, prominent nasal bridge, bulbous nasal tip, thin lips, anteverted pinnae, and normal fingers. The ophthalmological evaluation showed bilateral aphakia and microcornea, as the right horizontal corneal diameter was 7 mm on the right eye and 6 mm on the left eye; the visual acuity test demonstrated that she only perceives shadows. Her cephalometric study showed a skeletal class III with a negative relationship between the maxilla and mandible. The sella-nasion plane indicated a concave side face. The angle between the long axis of the lower incisor and the mandibular plane showed a dentoalveolar maxilar and mandibular retroinclination, with maxillar and mandibular retrusion. The clinical and panorex dental analyses indicated convergent lateral incisors, lateral worn-out teeth (which previously had a conical shape) (Figure 1G and H). The ears were anteverted. Clinical photographs, cytogenetic, and molecular studies of the patients were performed with informed consent.
Successful and stable orthodontic camouflage of a mandibular asymmetry with sliding jigs
Published in Journal of Orthodontics, 2018
Dauro Douglas Oliveira, Bruno Franco de Oliveira, Carolina Morsani Mordente, Gabriela Martins Godoy, Rodrigo Villamarim Soares, Paulo Isaías Seraidarian
Pretreatment facial analysis revealed mild facial asymmetry with the mandible deviated 3 mm to the right, passive lip sealing and 100% of the maxillary incisors displayed upon smiling. The aesthetics of his smile was compromised due to the 2 mm diastema between his maxillary central incisors and the cant of his upper occlusal plane, which led to a greater exposure of his posterior teeth on the right side. The profile was slightly concave with a deficient midface and normal nasolabial angle (Figure 1).