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全口义齿佩戴者口腔实体觉、咀嚼效率及唾液流速的评估

Evaluation of oral stereognosis, masticatory efficiency, and salivary flow rate in complete denture wearers.

作者信息

Mary K Manju, Cherian Babu

机构信息

Department of Prosthodontics and Crown and Bridge, Mar Baselios Dental College, Kothamangalam, Kerala, India.

出版信息

J Indian Prosthodont Soc. 2020 Jul-Sep;20(3):290-296. doi: 10.4103/jips.jips_453_19. Epub 2020 Jul 17.

DOI:10.4103/jips.jips_453_19
PMID:33223699
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7654197/
Abstract

AIM

The aim of the present study was to evaluate the improvement in oral stereognostic ability, masticatory efficiency, and difference in salivary flow rate in nonexperienced denture wearers, before, after, and 6 months after rehabilitation with complete dentures.

SETTINGS AND DESIGN

Invivo - Observational study.

MATERIALS AND METHODS

Seventy edentulous subjects were selected who came for rehabilitation with complete dentures for the first time. The study was conducted in three stages-before denture insertion, after denture insertion, and 6 months after denture insertion. Oral stereognostic ability was evaluated by asking the subjects to identify six heat cured acrylic resin samples by oral manipulation without seeing it. The unstimulated salivary flow rate was estimated by measuring the time taken to collect 5 ml of the whole saliva. Masticatory efficiency of the subjects was assessed with the help of preweighed chewing gums. The chewing gums were desiccated after the chewing strokes and weighed again.

STATISTICAL ANALYSES USED

Data were tabulated and analyzed statistically using pairedt-test, one-way ANOVA test, and the test.

RESULTS

Oral stereognostic ability increased immediately on insertion of complete dentures and was still higher 6 months post insertion of dentures. Comparison of the means of masticatory efficiency after denture insertion and 6 months after denture usage gave highly significant values (< 0.001). The salivary flow which increased immediately following denture insertion returned to almost normal 6 months after denture insertion.

CONCLUSION

The study support the hypothesis that the presence of dentures improve oral sterognostic ability and masticatory efficiency.

摘要

目的

本研究的目的是评估初次佩戴全口义齿的无经验义齿佩戴者在修复前、修复后及修复后6个月时口腔立体识别能力、咀嚼效率的改善情况以及唾液流速的差异。

设置与设计

体内观察性研究。

材料与方法

选取70名首次前来进行全口义齿修复的无牙颌患者。研究分三个阶段进行——义齿戴入前、义齿戴入后以及义齿戴入后6个月。通过让受试者在不看的情况下通过口腔操作识别六个热固化丙烯酸树脂样本，来评估口腔立体识别能力。通过测量收集5毫升全唾液所需的时间来估计非刺激性唾液流速。借助预先称重的口香糖评估受试者的咀嚼效率。咀嚼一定次数后将口香糖干燥，然后再次称重。

所用统计分析方法

数据制成表格，并使用配对t检验、单因素方差分析和检验进行统计分析。

结果

全口义齿戴入后口腔立体识别能力立即提高，义齿戴入6个月后仍较高。义齿戴入后与义齿使用6个月后的咀嚼效率均值比较具有高度显著性差异（<0.001）。义齿戴入后立即增加的唾液流速在义齿戴入6个月后几乎恢复正常。

结论

该研究支持义齿的存在可提高口腔立体识别能力和咀嚼效率这一假设。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/288e770f8b80/JIPS-20-290-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/bff7548a0751/JIPS-20-290-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/9dade5f5f4a0/JIPS-20-290-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/84de2477a739/JIPS-20-290-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/bd631c9fb53f/JIPS-20-290-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/61a23abbeaf9/JIPS-20-290-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/0eb24c095d53/JIPS-20-290-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/288e770f8b80/JIPS-20-290-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/bff7548a0751/JIPS-20-290-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/9dade5f5f4a0/JIPS-20-290-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/84de2477a739/JIPS-20-290-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/bd631c9fb53f/JIPS-20-290-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/61a23abbeaf9/JIPS-20-290-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/0eb24c095d53/JIPS-20-290-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/121c/7654197/288e770f8b80/JIPS-20-290-g007.jpg

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