The impact of occluding pairs on the chewing patterns among the elderly

Huang, Yue; Liu, Shih‐Ping; Muo, Chih‐Hsin; Chang, Chung-Ta

doi:10.1016/j.jdent.2020.103511

Cited by 17 publications

(11 citation statements)

References 27 publications

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“…In 1990, the Dutch scholar Eichner proposed the Eichner Index [52] , which is based on the location of the missing teeth and the support area of the bite of the teeth for classification, the molar area and the anterior molar area of the upper and lower jaws are used as the 4 occlusal support areas, and the presence or absence of the occlusal area is used as the criterion for classification. Studies have shown that the Eichner classification can express the masticatory function well [53,54] . It is also widely used in clinical research [54][55][56] .…”

Section: Correlation Between Masticatory Function and Cognitive Impai...mentioning

confidence: 99%

Research progress on the relationship between cognitive impairment and oral health

2022

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With the intensification of the aging of population, the number of patients with neurodegenerative diseases such as cognitive impairment is increasing. Patients with cognitive impairment often have poor oral health, which previous studies have suggested that may be related to poor oral hygiene habits. However, studies in recent years have shown that oral diseases may accelerate the development of cognitive impairment through infections and other routes. In this article, the correlation and possible mechanisms of oral health including periodontitis, masticatory function, and oral mucosal disease and cognitive impairment will be elaborated.

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Section: Correlation Between Masticatory Function and Cognitive Impai...mentioning

confidence: 99%

Research progress on the relationship between cognitive impairment and oral health

2022

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“…However, that does not offer any information about the timing of the occlusal contact sequence, or the temporal sequence of the bite force buildup. The T-scan (T-Scan III v8; Tekscan Inc.) is an accurate and reliable digital dynamic occlusal analysis to objectively estimate occlusal contact [ 13 ]. The T-scan can only reveal the relative bite force compared to individual maximal occlusal force, which is represented as a percentage (%).…”

Section: Introductionmentioning

confidence: 99%

“…The T-scan can only reveal the relative bite force compared to individual maximal occlusal force, which is represented as a percentage (%). The occlusal contact sequence from the first tooth contact to maximum intercuspation is recorded, and then played in real-time on the computer screen with the intensity of the associated force [ 13 ]. In a previous study, the T-scan could only be used to compare the change of occlusion in the same subject because it provided the relative occlusal force [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

The correlation between two occlusal analyzers for the measurement of bite force

et al. 2022

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Background Occlusal force represents masticatory function. Using quantifiable occlusal indicators provides a more objective occlusal force evaluation. In the recent dental practice, digital methods such as the Dental Prescale II (DP2, GC Corp., Tokyo, Japan) and T-scan (T-Scan III v8; Tekscan Inc.) are commonly used in clinics to evaluate treatment outcomes. The T-scan provides the relative bite force (%) compared to the maximal bite force on individual teeth or the unilateral arch. The DP2 can quantify occlusal force, measured in newtons (N), on the half arch or the overall bite, but it is difficult to identify the bite force on an individual tooth. It is difficult to select a device that fulfils all the requirements to record occlusal force. This study aimed to investigate the association between the bite measured by the DPS2 and T-scan to determine whether the measured bite force is comparable through calculation. Methods A total of 80 healthy adults, including 41 women and 39 men with a mean age of 38.2, were requested to bite pressure sensitive film sheets ten minutes apart. Linear regression analysis was used to estimate the measured bite force by the DP2 and T-scan. Results There was a significant positive correlation between the occlusal force measured by the DP2 and T-scan (P < 0.01) when intercept was equal to zero as confounders were adjused. These results provided the comparability of the measured occlusal forces determined by the DP2 and T-scan. Conclusion The estimated bite force determined by DP2 and T-Scan is convertible using the linear equation from this study to increase the value for clinical applications. The estimated bite force from the two quantifiable occlusal indicators are comparable. The two commercially available quantifiable occlusal indicators can be fully adapted to all clinical requirements according to this result.

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“…Aging goes along with physiological changes in mastication, responsible for the functions of pulverizing the food into particles, mixing them with saliva and forming a bolus for swallowing 1 , and also in the oral phase of swallowing, represented by the ejection of food to the back of the oral cavity, aiming at its passage towards the pharynx 2 , which negatively affects the feeding process, favoring the occurrence of oropharyngeal dysphagia 3,4 . The reduction in the number of teeth, common in the elderly, is correlated to swallowing disorders 4 and changes in chewing capacity 5 , generating a negative impact on their quality of life 6 . In addition, totally edentulous elderly people show better swallowing performance when fitted with complete removable dentures (CRP) as compared to their absence, since the use of CRP improves bolus formation, decreases pharyngeal transit time and the risk of laryngotracheal aspiration 7 .…”

Section: Introductionmentioning

confidence: 99%

Duration of mastication and oral phase of swallowing in the elderly with different dental conditions: a clinical analysis

et al. 2022

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Purpose: to measure the total time of mastication and oral phase of swallowing in healthy elderly people, considering different food consistency, the presence of natural teeth, and the type of prosthetic oral rehabilitation, as well to compare dental conditions and consistencies. Methods: a cross-sectional study with 57 healthy elderly people, aged between 60 and 82 years, divided into: dentate group (D) (n=15); and rehabilitated groups; PD: fixed or removable partial dentures in one or both arches (n=15); CRD: maxillary and mandibular complete removable dentures (n=15); ISCD: complete dentures - maxillary removable denture and mandibular implant-supported dentures (n=12). The duration time (seconds) of chewing and of the oral phase of swallowing was measured in the consistencies: solid (a roll slice), pudding (10 ml) and liquid (10 ml). Results: healthy dentate elderly subjects had the following intervals: liquid=1.07±0.35 s; pudding=3.48±1.76 s; and solid=27.88±7.11 s. Statistically significant differences were observed between the D and ISCD groups (p=0.0056) and between D and CRD (p=0.0056) for liquid. For all groups, there was a statistically significant increase between liquid and solid consistencies and between pasty and solid ones (p<0.001). Conclusions: the dentate elderly had shorter oral phase time of swallowing for liquids than the rehabilitated edentulous elderly, but not different from the elderly with partial dentures. Chewing and swallowing time for solid food was longer than that for the other consistencies, regardless of dental condition.

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The impact of occluding pairs on the chewing patterns among the elderly

Cited by 17 publications

References 27 publications

Research progress on the relationship between cognitive impairment and oral health

Research progress on the relationship between cognitive impairment and oral health

The correlation between two occlusal analyzers for the measurement of bite force

Duration of mastication and oral phase of swallowing in the elderly with different dental conditions: a clinical analysis

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