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Crown preparations for semiprecision attachment removable partial dentures.

The utilization of intracoronal or extracoronal removable partial denture attachments in conjunction with a fixed retainer applies additional stresses to the structural durability of the fixed retainer and its integrity with the underlying abutment. Therefore, the utilization of this attachment with a fixed retainer requires understanding and diligent application of the basic principles of fixed prosthodontics.The primary objective of prosthodontics must be the preservation and health of the remaining existing tissues and structures: teeth, periodontal tissues, temporomandibular joint, and oral facial muscles. This must be of primary importance as we achieve our goals of (1) eliminating existing pathology, (2) restoring morphology and function, and (3) improving esthetics and thereby heightening self-esteem and the psychological well-being of the individual. These objectives make us sensitive to the considerations we have discussed in preparation design and the tissue management required in the fabrication of fixed retainers.

Crowns↗

[Hyperbaric oxygenation in the treatment of facial neuritis].

The effectiveness of hyperbaric oxygenation (HBO) in a multiple modality therapy versus the conventional treatment of patients with facial neuritis was investigated. HBO was used in the treatment of 42 patients. Twenty-nine patients with a similar picture of the diseases treated by conventional methods without the use of HBO constituted the control group. The inclusion of hyperbaric oxygenation in to the multiple modality treatment of patients with facial neuritis increased the efficacy of therapy and reduced the period needed for the restoration of the function of the damaged nerve.

Adolescent↗

Neurovascular compression syndromes.

As I have indicated in the foregoing discussion, there are several syndromes that with various degrees of proof seem to be caused by unilateral vascular compression of a cranial nerve at the brain stem. Jannetta has summarized this concept as follows: "As we age, our arteries elongate and our brains 'sag'. As a consequence of these processes, redundant arterial loops and bridging or intrinsic hindbrain veins may cause cross-compression of cranial nerve root entry zones in the cerebellopontine angle. This pulsatile compression can be seen to produce hyperactive dysfunction of the cranial nerve. Symptoms of trigeminal or glossopharyngeal neuralgia (somatic sensory), hemifacial spasm (somatic motor), tinnitus and vertigo (special sensory), and some cases of 'essential' hypertension are caused by these vessels compressing cranial nerves V, IX-X, VII, VIII, and left X and medulla oblongata. Using microsurgical techniques, the symptoms may be relieved by vascular decompression. . .".

Accessory Nerve↗

Bell's palsy: delayed recovery after one year with surgical confirmation.

An instance of Bell's palsy with complete flaccid peripheral facial paralysis at one year with surgical confirmation by total facial nerve decompression and incision of the intratemporal facial nerve sheath confirmation is presented. This individual, with a most unusual duration of total facial paralysis in an instance of Bell's palsy, nevertheless developed eventual recovery typical of the delayed recovery from Bell's palsy, with considerable improvement in facial symmetry at rest, eyelid closure, and facial motion.

Eyelids↗

[Lesions of the nervous system in tick-borne erythema annulare].

The authors examined thirty-two patients with tick-borne erythema annulare which developed after tick bites. The disease had a peculiar nosological form and was characterized by tick sticking, an incubation period, the presence in the majority of patients of the temperature reaction and manifestations of general infection in the acute period, the development of migrating erythema annulare, frequent lesions (26 patients) of the nervous system in the form of the radicular symptoms, serous meningitis, pareses of the facial muscles, etc. Electrophysiological examination of patients revealed marked changes. Serological tests for tick-borne encephalitis proved negative. The time-course of the disease in the majority of patients was favourable. The disease was characterized by all features typical of an infection lesion, with neurological disorders being predominant, which requires further investigation.

Adult↗

Bilateral Bell's palsy due to Mycoplasma pneumoniae infection.

A 12-month-old infant developed bilateral facial paresis 4 weeks following a febrile illness associated with tonsillitis, bronchopneumonia and hepatosplenomegaly. Complement fixing antibody titer to Mycoplasma pneumoniae was 1:128, which subsequently dropped to 1:16. The clinical presentation in our patient was unusual in that he developed bilateral facial palsy at a very young age, and there was also a possible association of the palsy with Mycoplasma infection.

Electromyography↗

Bell's palsy.

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Adrenocorticotropic Hormone↗