本文選題：咬合接觸時(shí)間 + 累積最大牙合力��； 參考：《南昌大學(xué)》2015年碩士論文

【摘要】：目的:1、通過TeeTester數(shù)字化咬合分析儀對(duì)全口義齒在牙尖交錯(cuò)位的咬合情況進(jìn)行檢測(cè),定量分析研究其隨時(shí)間的變化規(guī)律。2、使臨床醫(yī)生對(duì)全口義齒咬合情況的控制從依靠經(jīng)驗(yàn)到定量化,為全口義齒的穩(wěn)定性提供參考。方法:選擇2013年9月至2014年12月來南昌大學(xué)附屬口腔醫(yī)院修復(fù)科,要求全口義齒修復(fù)的患者39名,記錄患者的性別、年齡、佩戴全口義齒經(jīng)歷和牙槽嵴條件等信息,修復(fù)前對(duì)患者的牙槽嵴情況及戴用全口義齒(CD)前后面部的正側(cè)位進(jìn)行拍照。常規(guī)制作全口義齒,在Teetester數(shù)字化咬合分析儀指導(dǎo)下結(jié)合咬合紙印記進(jìn)行調(diào)牙合,并對(duì)患者佩戴CD當(dāng)日、2周、1.5月、3月進(jìn)行咬合檢測(cè),記錄患者的咬合接觸時(shí)間(OT)、累積最大牙合力(Max force)和咬合力中心點(diǎn)(COF)左右向(COF-X)及前后向(COF-Y)位置,對(duì)檢測(cè)結(jié)果進(jìn)行重復(fù)測(cè)量設(shè)計(jì)資料的方差分析,分析其間的差異。結(jié)果:1、隨著時(shí)間的推移,OT和COF-X值逐漸縮短,Max force和COF-Y值逐漸增加,差異均有統(tǒng)計(jì)學(xué)意義(P0.05)。兩兩比較結(jié)果顯示,OT、Max force和COF-X之間的差異均有統(tǒng)計(jì)學(xué)意義(P0.05);COF-Y在佩戴當(dāng)日與2周、1.5月和3個(gè)月相比,差異有統(tǒng)計(jì)學(xué)意義(P0.05),2周及以后,差異無統(tǒng)計(jì)學(xué)意義(P0.05)。2、有佩戴全口義齒經(jīng)歷的患者,OT和COF-X值較短,而Max force和COF-Y值較大。有無佩戴全口義齒經(jīng)歷的患者OT、Max force、COF-X之間的差異有統(tǒng)計(jì)學(xué)意義(P0.05);而COF-Y之間的差異無統(tǒng)計(jì)學(xué)意義(P0.05)。3、男性患者的OT、Max force、COF-X和COF-Y值均較女性患者大。不同性別的患者OT、Max force、COF-Y之間的差異無統(tǒng)計(jì)學(xué)意義(P0.05);而COF-X之間的差異有統(tǒng)計(jì)學(xué)意義(P0.05)。4、牙槽嵴2級(jí)患者,OT、COF-X值較其他類型牙槽嵴小,Max force值較其他類型者大;其他類型者隨著牙槽嵴從1級(jí)~4級(jí),OT、COF-X值逐漸增大,Max force值有減小趨勢(shì);COF-Y值變化趨勢(shì)不甚明顯。不同牙槽嵴條件的患者OT、COF-Y之間的差異無統(tǒng)計(jì)學(xué)意義(P0.05);而Max force、COF-X之間的差異有統(tǒng)計(jì)學(xué)意義(P0.05)。5、隨著年齡的增長(zhǎng),OT值有增大趨勢(shì),Max force值逐漸減小,1.5月及3個(gè)月時(shí)COF-X值隨年齡增加有增大趨勢(shì),COF-Y值變化趨勢(shì)不甚明顯。不同年齡的患者OT、COF-X之間的差異無統(tǒng)計(jì)學(xué)意義(P0.05);而Max force、COF-Y之間的差異有統(tǒng)計(jì)學(xué)意義(P0.05)。6、咀嚼功能滿意度評(píng)估:隨著佩戴全口義齒時(shí)間延長(zhǎng),患者對(duì)咀嚼功能的滿意度逐漸增加,差異有統(tǒng)計(jì)能學(xué)意義(P0.05);有佩戴經(jīng)歷者和男性患者的咀嚼功能滿意度較高,差異有統(tǒng)計(jì)學(xué)意義(P0.05);而不同的牙槽嵴條件和年齡組之間雖有差異,但無統(tǒng)計(jì)學(xué)意義(P0.05)。結(jié)論:1、隨著佩戴義齒時(shí)間的延長(zhǎng),OT逐漸縮短,3個(gè)月時(shí)約為0.28s,早接觸的可能性減少,咬合可以迅速達(dá)到穩(wěn)定;Max force逐漸增加,3個(gè)月時(shí)平均為669.88±102.63N,咀嚼功能逐漸恢復(fù);COF逐漸向中心移動(dòng),3個(gè)月時(shí)COF-X平均為2.94±1.19mm,COF-Y為28.38±1.80mm,咬合趨于平衡。2、有無佩戴經(jīng)歷、不同性別、牙槽嵴條件、年齡對(duì)患者的咬合情況影響不同,但OT與COF-X的變化趨勢(shì)一致,可以將二者結(jié)合起來反映咬合的穩(wěn)定性。3、數(shù)字化咬合分析儀可以量化患者的咬合情況,為全口義齒的穩(wěn)定性提供參考。
[Abstract]:Objective: 1, through the TeeTester digital occlusion analyzer to detect the occlusion of the complete denture at the apex of the denture, quantitative analysis and study of the change law.2 with time, make the clinician control the bite of the complete denture from experience to quantitative, and provide reference for the stability of complete denture. Method: select 2013 9 From January to December 2014, 39 patients with full denture were required to be repaired in the Department of Dental Hospital of Nanchang University. The patient's sex, age, full denture experience and alveolar ridge condition were recorded. The patients' alveolar ridge and the positive side of the face before and after the full denture (CD) were photographed before and after the repair. The denture, under the guidance of the Teetester digital occlusal analyzer, was combined with the bite paper imprint, and the patient was wearing CD, 2 weeks, and 1.5 months, in March, and recorded the occlusion contact time (OT), the cumulative maximum resultant force (Max force) and the center point of the bite force (COF) to the position of (COF-X) and the front and back (COF-Y). Results the variance analysis of the design data was carried out. The results were as follows: 1, the value of OT and COF-X decreased with time, and the value of Max force and COF-Y increased gradually. The difference was statistically significant (P0.05). The results showed that the differences between OT, Max force and COF-X were statistically significant (P0.05); COF-Y was in Pei. Compared with 2 weeks, 1.5 months and 3 months, the difference was statistically significant (P0.05). 2 weeks and later, the difference was not statistically significant (P0.05).2, with the patients wearing full denture experience, OT and COF-X were shorter, and Max force and COF-Y were higher. There were statistical significance between OT, Max force, and COF-X. 0.05), but the difference between COF-Y was not statistically significant (P0.05).3, the OT, Max force, COF-X and COF-Y of the male patients were all larger than those of the female patients. The differences in OT, Max force and COF-Y were not statistically significant. The type of alveolar ridge was small and the value of Max force was larger than those of other types. With the alveolar ridge from grade 1 ~4, OT, COF-X, the value of Max force decreased and the COF-Y value was not very obvious. The difference between OT and COF-Y in patients with different alveolar ridge conditions was not statistically significant (P0.05); Max, there were statistical differences. P0.05.5, as the age increased, the OT value increased, the Max force decreased gradually, and the COF-X value increased with age at 1.5 and 3 months, and the trend of COF-Y value was not obvious. The difference between OT and COF-X at different ages was not statistically significant (P0.05), while Max force, there was a significant difference. (P0.05).6, the satisfaction assessment of masticatory function: with the prolongation of the full denture time, the patient's satisfaction with masticatory function increased gradually, the difference was statistically significant (P0.05); the masticatory function of the wearer and the male patients had higher satisfaction, and the difference was statistically significant (P0.05); the different alveolar ridge conditions and age groups were different. Although there were differences, there was no statistical significance (P0.05). Conclusion: 1, with the prolongation of the time of the denture, the OT gradually shortened and the 3 month was about 0.28s, the possibility of early contact decreased and the occlusal could quickly reach stability; Max force increased gradually, the average of 669.88 + 102.63N, the masticatory function gradually recovered, COF gradually moved to the center and 3 months C. The average OF-X is 2.94 + 1.19mm and COF-Y is 28.38 + 1.80mm. The occlusion tends to balance.2. There is no wear experience. The different sex, alveolar ridge condition and age have different influence on the occlusion, but the change trend of OT and COF-X is the same. The two can be combined to reflect the stability of the occlusion, and the digital occlusion analyzer can quantify the patient's bite. It provides a reference for the stability of full denture.
【學(xué)位授予單位】：南昌大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：R783.6

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