The effect of cervical inclination and body position on postmortem cephalometric airway measurements

Tiihonen, Mikko; Heliövaara, Arja; Partinen, Markku; Pirinen, Sinikka; Wolf, Juhani; Penttilä, Antti

doi:10.1016/s0379-0738(99)00044-4

Cited by 1 publication

(2 citation statements)

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“…The other limitation was that measurements were not performed by a second rater, Inter-Rater-Reliability was not investigated. Finally, it is known, that the position of the patient inside the gantry has an effect on the projection of the posterior airway [ 31 , 32 ]. As most of the manufacturer instructions for taking lateral radiographs do not describe the required stance of the patient inside the gantry, there is a certain leeway space for different alignment within the gantry [ 31 , 32 ].…”

Section: Discussionmentioning

confidence: 99%

“…Finally, it is known, that the position of the patient inside the gantry has an effect on the projection of the posterior airway [ 31 , 32 ]. As most of the manufacturer instructions for taking lateral radiographs do not describe the required stance of the patient inside the gantry, there is a certain leeway space for different alignment within the gantry [ 31 , 32 ]. Future studies have to be conducted to investigate if there are inaccuracies caused by this effect.…”

Section: Discussionmentioning

confidence: 99%

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Impact of occlusal reconstruction positions on airway dimensions in patients with edentulism and long centric occlusion

Zhang

2023

BMC Oral Health

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Objective To study the airway changes of edentulous patients with a magnitude of long centric (MLC) ≥ 1.5 mm during occlusal reconstruction at the centric relation position (CRP) and muscular position (MP). Methods The CRP and MP were determined by Gothic arch. The cephalometric analysis was taken at the two occlusal positions. The sagittal distance of each part of the upper airway was measured. The differences between two occlusal positions were compared. The difference values were calculated by subtracting the two. The correlation between the MLC and the difference value was analyzed. Results The sagittal diameters of palatopharynx and glossopharynx airway at MP were statistically larger than those at CRP (P < 0.05). The MLC had a strong correlation with the ANB angle (r = 0.745, P < 0.001). Conclusion Compared with the occlusal position of CRP, occlusion reconstruction at MP can provide better airway condition for edentulous patients with large MLC.

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