Objective: Snoring occurs as a result of soft tissue vibration caused by a partial upper airway collapse during sleep. This study evaluated the effectiveness and potential adverse side effects associated with the use of a nonsurgical, erbium-doped yttrium aluminum garnet (Er:YAG) laser treatment for patients with snoring conditions. Materials and Methods: In total, 33 patients with different degrees of snoring were analyzed retrospectively. All patients received three NightLase™ Er:YAG laser treatments. Results were measured using a follow-up questionnaire and then statistically analyzed. Any effects that occurred during the first year after treatment (i.e., short-term effects) were followed up with interviews. Results: Laser treatment effectively reduced patients' snoring and achieved a 65% satisfaction rate after three treatments. The greatest improvement and satisfaction were experienced by patients aged ≥50 years. Patients reported additional benefits from this treatment including easier breathing, higher alertness, and increased focus. Conclusion: Nonsurgical Er:YAG laser treatment is an effective and minimally invasive procedure to reduce patient snoring and other sleep-disordered breathing symptoms. Patients reported minimal disadvantages including minor discomfort and a low risk of side effects.
Short-segment posterior fixation followed by indirect spinal canal decompression led to an improvement over spinal canal retropulsion in experimental burst fractures. Furthermore, the kyphosis angle and segmental height values improved following the reduction compared with those before reduction.
Dens in dente (dens invaginatus, tooth within a tooth, dilated composite odontome) is an abnormal tooth form which occurs most frequently in the permanent maxillary lateral incisor region. Dens in dente may occur, however, in any tooth in the dental arch, although these other forms are comparatively rare. It may appear within both the coronal part of the tooth and the root, although coronal forms are more common. In this paper, a case of extreme dens in dente with pulpal involvement at an early stage of eruption is presented.
A useful method is described in this paper for studying the mediators released from tooth pulp of the dog during the electrical stimulation of dentine. This method is based upon the perfusion of the pulp and superfusing the return continuously over the isolated, in cascade, cat jejunum and rat stomach fundus strip. The presented evidences in this study indicate the possibility of the release of bradykinin and prostaglandin - like materials from the tooth pulp during the electrical stimulation of dentine. Possible relationship of these mediators and tooth pain due to the electrical stimulation of dentine is discussed.
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