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The neurotoxicology of lead.
In the past six years, our research group has investigated the relationship between lead exposure and mental and behavioural development. This has been carried out through studies in children and animals. Earlier studies in children have shown that associations might be expected between environmental exposure to lead and various aspects of cognitive and behavioural development. Our study has examined and continues to examine, a cohort of children sub-divided into three groups according to the level of lead exposure during early 'in utero' development. Data amassed to date includes measurement of psychometric function and post natal development, together with biochemical measures of lead exposure. Assessment will continue through to early scholastic performance and will include measurement of deciduous tooth lead concentration as an integrated measure of long term exposure. In addition to these studies in children, a series of neurochemical studies have been carried out using a rat model of lead exposure. Data obtained from both our own neurochemical experiments and those of other groups indicate an extremely complex plethora of neurotoxic actions of lead.
Retained primary teeth: their effect on developing occlusions.
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Gemination, fusion and supernumerary tooth in the primary dentition: report of case.
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[Combined surgical/orthodontic/prosthetic treatment or retained primary canines and displaced canines].
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Indications for dental anesthesia.
The need for general anesthesia management in the dental office applies to a variety of patient types. They are essentially ASA class I or class II risks with a diversity of treatment needs from the simple extraction of a deciduous tooth to multiple treatment procedures. The training, skill, and experience of the provider of anesthesia as well as the adequacy of the facilities will determine the choice of management and ultimately the nature of total patient care.
[Relationship between form of the fused teeth and the presence of permanent successor (author's transl)].
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[A case of the supernumerary milk molar tooth (author's transl)].
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[Detinomas with report of a case].
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Anomalies of form and number, fused primary teeth, a correlation of the dentitions.
Fusion is rare in the primary dentition (range .14 percent to 3 percent). Patients with fused primary lateral incisors and canines have about a 75 percent chance of lacking the succedaneous lateral incisor. Patients with fused incisors have less than a 20 percent chance of having a missing permanent tooth.
Separation of fused primary incisors: report of case.
A case of a child with a maxillary primary left lateral incisor fused to a supernumerary was presented. The teeth were separated and restored using stainless steel crowns with composite facings. The described treatment permitted a maximum level of esthetics, function, and cleansability of the primary dentition, without compromising the permanent dentition.
Ameloblastic fibrodentinoma: report of case.
The classification, progression, and treatment of the mixed odontogenic tumors remain controversial. In the case reported here, examination of a patient who presented with delayed eruption of a primary central incisor led to the discovery of an impacted incisor and an associated isolated radiolucency.
Long-term interdisciplinary management of multiple mesiodens and delayed eruption: report of case.
This report adds to existing knowledge on the treatment of mesiodens, emphasizing the need to individualize the treatment plan, and demonstrates the importance of interdisciplinary cooperation in total patient care.
[An external aprismatic layer on temporary and permanent teeth].
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Management of primary molar ankylosis: report of a case.
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[A case of an impacted maxillary second primary molar following surgical exposure and orthodontic guidance].
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[Natal and neonatal teeth. Study of prevalence and approach to treatment].
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Predictable and unforeseen consequences following pulpal necrosis in primary teeth. A report of three cases.
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