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Difference between revisions of "Bruxism"
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* '''<nowiki/>'''<nowiki/>'Bruxism AND sleep bruxism AND occlusal factor'''<nowiki/>'''<nowiki/>'- <br>We had 32 results<ref>Bruxism AND sleep bruxism AND occlusal factor.https://pubmed.ncbi.nlm.nih.gov/?term=%27Bruxism+AND+sleep+bruxism+AND+occlusal+factor&filter=datesearch.y_10</ref> that led us to wonder if there were any anxiety-producing causes in the phenomenon. | * '''<nowiki/>'''<nowiki/>'Bruxism AND sleep bruxism AND occlusal factor'''<nowiki/>'''<nowiki/>'- <br>We had 32 results<ref>Bruxism AND sleep bruxism AND occlusal factor.https://pubmed.ncbi.nlm.nih.gov/?term=%27Bruxism+AND+sleep+bruxism+AND+occlusal+factor&filter=datesearch.y_10</ref> that led us to wonder if there were any anxiety-producing causes in the phenomenon. | ||
* '''<nowiki/>'''<nowiki/>'Bruxism AND sleep bruxism AND anxiety syndromes'''<nowiki/>'''<nowiki/>'- <br>The reduction became more marked with 12 results<ref>Bruxism AND sleep bruxism AND anxiety syndrome. https://pubmed.ncbi.nlm.nih.gov/?term=%27Bruxism+AND+sleep+bruxism+AND+anxiety+syndromes&filter=datesearch.y_10</ref> so that between stress and forms of anxiety we wondered if the phenomenon was somehow attributable to a form of neuro-excitability of the Central Nervous System. | * '''<nowiki/>'''<nowiki/>'Bruxism AND sleep bruxism AND anxiety syndromes'''<nowiki/>'''<nowiki/>'- <br>The reduction became more marked with 12 results<ref>Bruxism AND sleep bruxism AND anxiety syndrome. https://pubmed.ncbi.nlm.nih.gov/?term=%27Bruxism+AND+sleep+bruxism+AND+anxiety+syndromes&filter=datesearch.y_10</ref> so that between stress and forms of anxiety we wondered if the phenomenon was somehow attributable to a form of neuro-excitability of the Central Nervous System. | ||
* '''<nowiki/>'''<nowiki/>'Bruxism AND sleep bruxism AND trigeminal motoneuron'''<nowiki/>'''<nowiki/>'<br>with immense surprise, only two fantastic scientific papers came out: that of İnan R et al.<ref>Rahşan İnan | * '''<nowiki/>'''<nowiki/>'Bruxism AND sleep bruxism AND trigeminal motoneuron'''<nowiki/>'''<nowiki/>'<br>with immense surprise, only two fantastic scientific papers came out: that of İnan R et al.<ref>{{cita libro | ||
| autore = Rahşan İnan | |||
| autore2 = Gülçin Benbir Şenel | |||
| autore3 = Figen Yavlal | |||
| autore4 = Derya Karadeniz | |||
| autore5 = Ayşegül Gündüz | |||
| autore6 = Meral E Kızıltan | |||
| titolo = Sleep bruxism is related to decreased inhibitory control of trigeminal motoneurons, but not with reticulobulbar system | |||
| url = | |||
| volume = | |||
| opera = Neurol Sci | |||
| anno = 2017 | |||
| editore = | |||
| città = | |||
| ISBN = | |||
| DOI = 10.1007/s10072-016-2711-x | |||
| PMID = | |||
| PMCID = | |||
| oaf = <!-- qualsiasi valore --> | |||
| LCCN = | |||
| OCLC = | |||
}}</ref> and that of Jessica M D'Amico et al.<ref name=":12">{{cita libro | |||
| autore = D'Amico Jessica M | |||
| autore2 = Utku Yavuz | |||
| autore3 = Saraçoglu Ahmet | |||
| autore4 = Elif Sibel Atiş | |||
| autore5 = Gorassini Monica A | |||
| autore6 = Türker Kemal S | |||
| titolo = Activation properties of trigeminal motoneurons in participants with and without bruxism | |||
| url = | |||
| volume = | |||
| opera = J Neurophysiol | |||
| anno = 2013 | |||
| editore = | |||
| città = | |||
| ISBN = | |||
| DOI = 10.1152/jn.00536.2013 | |||
| PMID = | |||
| PMCID = | |||
| oaf = <!-- qualsiasi valore --> | |||
| LCCN = | |||
| OCLC = | |||
}}</ref> which we propose as a sub-chapter of Masticationpedia for their important specific scientific contribution on the excitability of trigeminal motor neurons in bruxism. | |||
</blockquote>Substantially, from this overview of the database research it is clear that if on the one hand bruxism is a complex phenomenon on the other the efforts have concentrated almost exclusively on occlusal and dental factors in general, leaving out one aspect, essential in our opinion, that of functionality of the trigeminal nervous system.<blockquote>From a synthetic extraction of the contents of the article by Jessica M D'Amico et al.,<ref name=":12" />, it is highlighted that the discharge of neurons in the raphe nuclei, in the locus coeruleus, in the subcoeruleus and in A5/A7 cells, they release serotonin and norepinephrine and facilitate PIC (persistent internal ionic currents referred to as 'PIC') to the trigeminal motor neuron pool. These episodes increase during micro-awakenings (Leung and Mason 1999,<ref>Leung CG, Mason P. Physiological properties of raphe magnus neurons during sleep and walking. J Neurophysiol 81: 584–595, 1999 [PubMed]</ref> Sakai and Crochet 2001,<ref>Sakai K, Crochet S. Differentiation of presumed serotonergic dorsal raphe neurons in relation to behaviour and wake-sleep states. Neuroscience 104: 1141–1155, 2001 [PubMed] [Google Scholar]</ref> Takahashi et al., 2010<ref>Takahashi K, Kayama Y, Lin JS, Sakai K. Locus coeruleus neuronal activity during the sleep-waking cycle in mice. Neuroscience 169: 1115–1126, 2010 [PubMed] [Google Scholar]</ref>). Individuals with bruxism experience an increase in the number of micro-awakenings during sleep (Kato et al. 2001,<ref>Kato T, Rompre PH, Montplaisir JY, Sessle BJ, Lavigne GJ. Sleep bruxism: an oromotor activity secondary to microarousal. J Dent Res 80: 1940–1944, 2001 [PubMed] [Google Scholar]</ref> 2003,<ref>Kato T, Montplaisir JY, Guitard F, Sessle BJ, Lavigne GJ. Evidence that experimentally induced sleep bruxism is a consequence of transient arousal. J Dent Res 82: 284–288, 2003 [PubMed] [Google Scholar]</ref> 2011<ref>Kato T, Masuda Y, Yoshida A, Morimoto T. Masseter EMG activity during sleep and sleep bruxism. Arch Ital Biol 149: 478–491, 2011 [PubMed] [Google Scholar]</ref>) with a probable increase in the monoaminergic drive towards trigeminal motor neurons. Accordingly, drugs such as serotonin reuptake inhibitors and amphetamines, which increase norepinephrine and serotonin levels, respectively, increase episodes of involuntary activity in bruxist participants (Lavigne et al. 2003,<ref>Lavigne GJ, Kato T, Kolta A, Sessle BJ.Neurobiological mechanisms involved in sleep bruxism. Crit Rev Oral Biol Med 14: 30–46, 2003 [PubMed] [Google Scholar]</ref> See and Tan 2003<ref>See SJ, Tan EK. Case Report: severe amphetamine-induced bruxism: treatment with botulinum toxin. Acta Neurol Scand 107: 161–163, 2003 [PubMed] [Google Scholar]</ref>) and the amplitude of PICs in motor neurons of the limbs (D'Amico et al. 2013,<ref>D'Amico JM, Murray KC, Li Y, Chan KM, Finlay MG, Bennett DJ, Gorassini MA. Constitutively-active 5HT2/α1 receptors facilitate muscle spasms after human spinal cord injury. J Neurophysiol 109: 1473–1484, 2013 [PMC free article] [PubMed] [Google Scholar]</ref> Udina et al. 2010<ref>Udina E, D'Amico J, Bergquist AJ, Gorassini MA.Amphetamine increases persistent inward currents in human motoneurons estimated from paired motor unit activity. J Neurophysiol 103: 1295–1303, 2010 [PMC free article] [PubMed] [Google Scholar]</ref>). | </blockquote>Substantially, from this overview of the database research it is clear that if on the one hand bruxism is a complex phenomenon on the other the efforts have concentrated almost exclusively on occlusal and dental factors in general, leaving out one aspect, essential in our opinion, that of functionality of the trigeminal nervous system.<blockquote>From a synthetic extraction of the contents of the article by Jessica M D'Amico et al.,<ref name=":12" />, it is highlighted that the discharge of neurons in the raphe nuclei, in the locus coeruleus, in the subcoeruleus and in A5/A7 cells, they release serotonin and norepinephrine and facilitate PIC (persistent internal ionic currents referred to as 'PIC') to the trigeminal motor neuron pool. These episodes increase during micro-awakenings (Leung and Mason 1999,<ref>Leung CG, Mason P. Physiological properties of raphe magnus neurons during sleep and walking. J Neurophysiol 81: 584–595, 1999 [PubMed]</ref> Sakai and Crochet 2001,<ref>Sakai K, Crochet S. Differentiation of presumed serotonergic dorsal raphe neurons in relation to behaviour and wake-sleep states. Neuroscience 104: 1141–1155, 2001 [PubMed] [Google Scholar]</ref> Takahashi et al., 2010<ref>Takahashi K, Kayama Y, Lin JS, Sakai K. Locus coeruleus neuronal activity during the sleep-waking cycle in mice. Neuroscience 169: 1115–1126, 2010 [PubMed] [Google Scholar]</ref>). Individuals with bruxism experience an increase in the number of micro-awakenings during sleep (Kato et al. 2001,<ref>Kato T, Rompre PH, Montplaisir JY, Sessle BJ, Lavigne GJ. Sleep bruxism: an oromotor activity secondary to microarousal. J Dent Res 80: 1940–1944, 2001 [PubMed] [Google Scholar]</ref> 2003,<ref>Kato T, Montplaisir JY, Guitard F, Sessle BJ, Lavigne GJ. Evidence that experimentally induced sleep bruxism is a consequence of transient arousal. J Dent Res 82: 284–288, 2003 [PubMed] [Google Scholar]</ref> 2011<ref>Kato T, Masuda Y, Yoshida A, Morimoto T. Masseter EMG activity during sleep and sleep bruxism. Arch Ital Biol 149: 478–491, 2011 [PubMed] [Google Scholar]</ref>) with a probable increase in the monoaminergic drive towards trigeminal motor neurons. Accordingly, drugs such as serotonin reuptake inhibitors and amphetamines, which increase norepinephrine and serotonin levels, respectively, increase episodes of involuntary activity in bruxist participants (Lavigne et al. 2003,<ref>Lavigne GJ, Kato T, Kolta A, Sessle BJ.Neurobiological mechanisms involved in sleep bruxism. Crit Rev Oral Biol Med 14: 30–46, 2003 [PubMed] [Google Scholar]</ref> See and Tan 2003<ref>See SJ, Tan EK. Case Report: severe amphetamine-induced bruxism: treatment with botulinum toxin. Acta Neurol Scand 107: 161–163, 2003 [PubMed] [Google Scholar]</ref>) and the amplitude of PICs in motor neurons of the limbs (D'Amico et al. 2013,<ref>D'Amico JM, Murray KC, Li Y, Chan KM, Finlay MG, Bennett DJ, Gorassini MA. Constitutively-active 5HT2/α1 receptors facilitate muscle spasms after human spinal cord injury. J Neurophysiol 109: 1473–1484, 2013 [PMC free article] [PubMed] [Google Scholar]</ref> Udina et al. 2010<ref>Udina E, D'Amico J, Bergquist AJ, Gorassini MA.Amphetamine increases persistent inward currents in human motoneurons estimated from paired motor unit activity. J Neurophysiol 103: 1295–1303, 2010 [PMC free article] [PubMed] [Google Scholar]</ref>). | ||