Asymmetrical tooth defects observed in hypoplastic primary teeth and amelogenesis imperfecta: case reports.
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Adolescent↗
Biomedical subjects
A L Symons
Publications and source records attributed to A L Symons.
A preliminary study into the dental health status of multiple sclerosis patients.
Multiple sclerosis (MS) is an inflammatory disease of unknown etiology involving the central nervous system. Since MS affects the whole body, orofacial aspects of the disease must be expected, particularly since loss of muscular coordination may result in a diminished ability to maintain oral hygiene. This preliminary study examined the dental health status of 22 volunteer MS patients. A questionnaire collected data regarding medical and dental histories and socio-demographic information. Extra- and intra-oral examinations were carried out on all subjects to determine the particular dental treatment needs of this special group. The DMFT and CPITN scores for this group did not indicate that MS patients were more susceptible to dental caries or periodontal disease. However, the prevalence of trigeminal neuralgia and symptoms of TMJ dysfunction in the group studied indicated that these conditions may be manifest in MS patients and warrant further investigations.
Adult↗
Pulpal obliteration related to long-term glucocorticosteroid medication.
Glucocorticosteroids (GCS) are used in the treatment of chronic autoimmune diseases and many long-term illnesses. While these drugs may be considered essential for the patient's health, adverse reactions do occur. The incidence of adverse reactions depends upon the dose level and the duration of treatment. Three case reports of patients on long-term GCS therapy are presented. Pulpal obliteration was assessed by radiographic records. In all instances, pulpal obliteration to some degree is described; however, the rate and extent of pulpal obliteration in the mature dentition seem greater than those occurring in the immature dentition. In the cases reported, the greatest dentin deposition appeared to occur on the roof of the pulp chamber, indicating that the pattern of dentin deposition by pulp tissue in GCS-treated individuals is different from that of the normal aging process.
Adult↗
Dental characteristics of patients with Duchenne muscular dystrophy.
A comprehensive assessment of the dental characteristics of 23 patients with Duchenne muscular dystrophy (DMD) was carried out, based on dental records, oral examinations and dental models. Decreasing muscle function was associated with increased plaque and calculus accumulation, leading to gingival inflammation, but caries experience was low. Disturbances in tooth form, number and eruption of the second premolars were observed in 39% of patients. Anterior and posterior open bites were common, associated with lip incompetence, mouth breathing, macroglossia and tongue thrusting. Maxillary and mandibular arch breadths were significantly larger, on average, in the DMD group than in controls. Rather than a normal parabolic arch form, the dental arches in DMD patients tended to be hyperbolic, with the posterior teeth being displaced buccally, consistent with an imbalance between the lingual and facial musculature.
Adolescent↗
Hereditary opalescent dentine: variation in expression.
A family is described in which two females are more severely affected by hereditary opalescent dentine than the males. The genealogy of this family does not provide an accepted pattern of inheritance for this dentine anomaly. This may indicate that there is considerable variation in inheritance patterns for hereditary opalescent dentine and that this trait does not always exhibit 100 percent penetrance.
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Endodontic follow up of proximal restorations in primary molars.
Proximal restorations in primary molars were assessed according to surface, teeth affected, and the need for subsequent follow up. All primary molars demonstrated a similar incidence of proximal surface restorative intervention, but the distal surface of the first primary molar and the mesial surface of the second primary molar showed the highest incidence of proximal restorations. The patient's age at initial restorative intervention did not appear to influence the need for subsequent endodontic treatment in restored teeth, indicating that early diagnosis and treatment of the carious lesion was critical for long-term pulpal health.
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Root resorption: a complication following traumatic avulsion.
The viability of the periodontal ligament depends on the extraoral period; this viability decreases as the extraoral period of traumatically avulsed teeth increases. This case report describes the management of avulsed teeth replanted four hours after the initial trauma. Progressive root resorption was a problem.
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Preeruptive intracoronal radiolucencies: review and report of case.
Intracoronal radiolucencies in unerupted teeth are an uncommon radiographic finding; but their early detection and classification allow the most appropriate management protocol to be developed. Early separation of lesions into those that are developmental and remain static and those that are reactive and aggressive is necessary for a controlled outcome. The current paper reviews possible formative mechanisms and describes a case of severe intracoronal resorption resulting in loss of the tooth.
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