Regional Odontodysplasia with Generalised Enamel Defect

Abstract

Regional odontodysplasia (ROD) is uncommon developmental anomaly, which tends to be localised and involves the ectodermal and mesodermal tooth components. A five-year-old female was referred to Department of Child Dental Health at the Leeds Dental Institute regarding malformed primary teeth. On examination 64, 74, and 72 had localised hypomineralized enamel defect. The crown of 55 was broken down with only the root remaining below the gingival level. 54 has a yellowish brown discolouration with rough irregular surface. The upper anterior teeth show mild enamel opacity. Radiographically, 55 and 54 had thin radioopaque contour, showing poor distinction between the enamel and dentine and the classic feature of a wide pulp chamber. 15, 16, and 17 were developmentally delayed and were displaying the characteristic “ghost appearance.” Comprehensive dental care was done under local anaesthesia and it included extraction of the primary molars affected by ROD, stainless steel crown on 64, and caries prevention program. Fifteen months following the initial assessment the patient's oral condition remains stable and she is under regular follow-up at the department. Paediatric dentists should be aware of this anomaly as it involves both dentitions and usually requires multidisciplinary care.

Regional odontodysplasia: An analysis of 161 cases from 1953 to 2017

“…Walton et al (1978) proposed that local disturbance of vascular supply produces a localized ischemia that disturbs odontogenesis. Another interesting finding was reported in a 5-year-old girl which presented with generalized enamel defects in the primary dentition in addition to regional odontodysplasia (Al-Mullahi and Toumba, 2016). Although generalized enamel defects in primary teeth of healthy children are relatively common (Robles et al, 2013), the authors did not present any investigations to correlate between those concomitant conditions.…”

Oral rehabilitation of a case with regional odontodysplasia using a regenerative approach—A case report and a review of literature

“…On the other hand, both genders were almost equally affected which is interesting since females should be affected more than males. Moreover, the review of the literature showed that most authors recommend extraction of the affected teeth, few authors prefer the conservative approach, while only two studies used autotransplantation of structurally sound teeth into the affected area . Nevertheless, between the conservative approach and the radicular approach, the regenerative approach has never been used.…”

“…It affects a specific segment in either/both dentitions in the either/both jaws. It is suggested that ROD affects females more than males but does not affect any particular ethnic group more than others . ROD usually affects the maxilla twice as often as the mandible.…”

“…It is suggested that ROD affects females more than males but does not affect any particular ethnic group more than others. 2 ROD usually affects the maxilla twice as often as the mandible. It is associated with distinctive clinical, radiographic, and histologic findings.…”

Clinical, Radiographic and Histologic Evaluation of Regional Odontodysplasia: an Unusual Case Report with 6-Year Follow-Up

“…Other factors causing OR have been mentioned, such as neural crest cell defects, viral infections, local trauma, Rh incompatibility, hyperpyrexia, ionizing radiation, teratogenic pharmacological agents and nutritional and/or metabolic alterations. OR has been associated with the presence of nevus, hypophosphatasia, hypocalcaemia, ectodermal dysplasia, and hydrocephalus; however, most cases of OR are not associated with medical alterations [9,[14][15][16][17].…”