Biomedical subjects
Publications and source records attributed to A G Gilmour.
Tardive dyskinesia is a syndrome of involuntary muscular movements seen in patients taking antipsychotic drugs. The dental practitioner may be the first health care worker to notice the signs and symptoms. This article describes the presentation and dental management using a clinical example.
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A dental technician suffered abrasion of his anterior teeth because of his technique of handling porcelain powder during the construction of restorations. To keep the brush moist, he habitually licked it as he applied porcelain powder to restorations. The porcelain powder, which is extremely abrasive, acted as a grinding powder between his maxillary and mandibular anterior teeth. Adjunctive orthodontics and a combination of adhesive, minimal-intervention restorations were used to create an esthetic and functional solution.
Replacement of small numbers of teeth in the dental arch has traditionally required the construction of a conventional bridge or a removable partial denture where sound reasons exist to favour restoration. Two alternative treatments now increase the choice; resin-bonded bridgework and implant-supported prostheses. A discussion of their indications and the principles of their use are given.
Dental erosion can be caused by recurrent contact with regurgitated gastric acid and there are a number of recognised conditions in which this can occur. A previously undescribed condition, which we have termed the 'voluntary reflux phenomenon', is described, and an illustrative case history given, together with details of several other similar cases. The condition may well be first recognised by the dentist, may have serious psychiatric implications, and has features which can help distinguish it from other causes of gastric acid mediated dental erosion. These features are described and discussed, and some suggestions for initial management in general practice made, should the condition be suspected.
A case of multiple idiopathic cervical root resorption is presented. It is believed to be the first report of such a case occurring in a male patient.
Bone loss resulting from periodontal disease can precipitate spontaneous tooth migration. Teeth repositioned by orthodontic means are frequently inherently unstable and may need to be permanently retained by some form of splint. A new technique for permanent anterior splinting is described.
A case is described of a patient who appeared to belong to the category labelled 'resistant' to local analgesia, in whom use of a 5% lignocaine solution with 1 in 100,000 adrenaline allowed painless routine dental treatment to be carried out. A discussion of the case, and the various other opinions which were considered for management, are presented.
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