Olfactory dysfunction : Its definition, clasification, and epidemiology

正佳, 小林

doi:10.2171/jao.45.246

Cited by 4 publications

(3 citation statements)

References 10 publications

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“…Children with nasal or congenital diseases were excluded from participation. Furthermore, histories of olfactory disorders in the children were collected from their guardians (Kobayashi, 2014). All patients examined at the Department of Orthodontics at Ohu University Hospital during the ethics approval period, and who did not have the exclusion criteria, were considered for participation.…”

Section: Methodsmentioning

confidence: 99%

Relationship between olfaction and maxillofacial morphology in children with malocclusion

Oka

Kawanabe

Yamanobe

et al. 2020

Clinical & Exp Dental Res

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Objectives Functional problems, including nasal flow problems, are associated with specific skeletal and dental features. Further, maxillary expansion has been associated with nasal airway resistance alterations. This study aimed to investigate whether there is a correlation between skeletal features and nasal airflow‐ and olfaction‐related problems. Materials and methods This prospective study included 68 patients (30 boys, 38 girls; mean age 9 ± 2 years) examined at the Ohu University Hospital. We classified patients into three skeletal Classes (Class I, II, and III) based on the ANB angle. Olfactory disorder history was collected from the guardians. Maxillofacial measurements, nasal airflow assessments, and olfactory tests were performed using cephalometric analysis, rhinomanometry, and T&T olfactometer, respectively. Results Malocclusion, resulting from skeletal mandibular protrusion and smaller maxilla, was associated with reduced olfaction in children. The detection and recognition thresholds of skeletal Class III were significantly higher than those of Classes I (p = .01) and II (p = .01). Significant correlations were observed between SNA and the detection threshold (r = −.50) as well as between nasion perpendicular‐point A and the recognition threshold (r = −.53). The detection and recognition thresholds were significantly higher in Class III than in Classes I (r = .3) and II (r = −.1). Conclusions Maxillary growth and development may be associated with olfaction in children. Changing the maxillofacial morphology may improve olfactory function. In the future, we will investigate how malocclusion treatment affects olfactory function.

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Section: Methodsmentioning

confidence: 99%

Relationship between olfaction and maxillofacial morphology in children with malocclusion

Oka

Kawanabe

Yamanobe

et al. 2020

Clinical & Exp Dental Res

View full text Add to dashboard Cite

show abstract

“…Olfactory dysfunction may be caused by factors other than aging. 8,9 In case of total anosmia, amplified olfactory presentation has no effect. However, when olfactory cells decrease with age, when the cells are partly damaged because of disease, or when airflow to olfactory epithelium is hindered by nasal deformity, and so on, one can expect recovery of olfactory sensitivity.…”

Section: Introductionmentioning

confidence: 99%

Review on Development of Devices for Amplifying Human Olfaction: Approaches using Real and Virtual Concentration Method

Matsukura

Ishida

2018

IEEJ Trans.SM

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This paper reports on olfactory amplifying systems and reviews related technologies.We have developed two types of olfactory amplifying systems that allow the user to sense smells with amplified sensitivities. In the first system, odor molecules drifting in the air are collected using an adsorbent material. The concentrated odor vapor is generated and presented to the user by thermal desorption of the collected odor molecules.The second system is a virtual odor concentrator. An odor with an amplified intensity is presented to the user when the presence of a volatile organic compound in the air is detected using a gas sensor. These systems can be viewed as olfactory versions of augmented reality systems. The user's perception of the world is altered by modifying the olfactory stimuli perceived by the user's nose. Ongoing research efforts toward the development of the olfactory amplifying systems are presented in this paper and their potential applications are discussed. K E Y W O R D S adsorbent, gas sensor, olfactory display Electron Comm Jpn. 2019;102:55-60.

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“…So far, we proposed a method to collect odor drifting in the air with an adsorbent, and then to present it through short‐time thermal desorption . Here, we call this amplification method “real concentration.” Olfactory dysfunction may be caused by factors other than aging . In case of total anosmia, amplified olfactory presentation has no effect.…”

Section: Introductionmentioning

confidence: 99%

Review on development of devices for amplifying human olfaction: Approaches using real and virtual concentration method

Matsukura

Ishida

2018

Elect Comm in Japan

View full text Add to dashboard Cite

This paper reports on olfactory amplifying systems and reviews related technologies. We have developed two types of olfactory amplifying systems that allow the user to sense smells with amplified sensitivities. In the first system, odor molecules drifting in the air are collected using an adsorbent material. The concentrated odor vapor is generated and presented to the user by thermal desorption of the collected odor molecules. The second system is a virtual odor concentrator. An odor with an amplified intensity is presented to the user when the presence of a volatile organic compound in the air is detected using a gas sensor. These systems can be viewed as olfactory versions of augmented reality systems. The user's perception of the world is altered by modifying the olfactory stimuli perceived by the user's nose. Ongoing research efforts toward the development of the olfactory amplifying systems are presented in this paper and their potential applications are discussed.

show abstract

Olfactory dysfunction : Its definition, clasification, and epidemiology

Cited by 4 publications

References 10 publications

Relationship between olfaction and maxillofacial morphology in children with malocclusion

Relationship between olfaction and maxillofacial morphology in children with malocclusion

Review on Development of Devices for Amplifying Human Olfaction: Approaches using Real and Virtual Concentration Method

Review on development of devices for amplifying human olfaction: Approaches using real and virtual concentration method

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