Journal of Prevention and Treatment for Stomatological Diseases ›› 2018, Vol. 26 ›› Issue (2): 90-94.doi: 10.12016/j.issn.2096-1456.2018.02.004

• The Fourth National Epidemiological Survey of Oral Health • Previous Articles     Next Articles

A sampling survey of remaining teeth and edentulous jaw arch in people aged 35-74 in Guangdong Province (2015-2016)

Weiping WANG1(), Jianming ZHANG1, Jianbo LI2, Weihua FAN2, Ziqiang LIU2, Shaohong HUANG2()   

  1. 1. Foshan Stomatology Hospital, School of Stomatology and Medicine, Foshan University, Foshan 528000, China
    2. Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
  • Received:2017-10-23 Revised:2017-11-13 Online:2018-02-20 Published:2018-08-31

Abstract:

Obiective To investigate the current status of remaining teeth and edentulous jaw arch of people aged 35-44, 55-64 and 65- 74 in Guangdong province. Methods An equal- sized stratified multi-stage randomly sampling design was applied to select a total of 288 Guangdong residents in urban and rural areas, and the subjects were between the age of 35-44, 55-64 and 65-74, with a gender ratio of half to half. The status of remaining teeth and edentulous jaw arch were assessed according to the Guideline for the 4th National Oral Health Survey. Results 88.89% subjects in the 35-44 year group had more than 28 teeth and 100% subjects had more than 20 teeth, with an average of 29.88 teeth remaining and no edentulous jaw. The average remaining teeth was 26.06 in the group of 55-64 year, with 87.50% subjects having more than 20 teeth, 59.03% subjects having 28 or more teeth, 4.16% subjects having single edentulous jaw arch, and 1.04% subjects having both edentulous jaw arch. 73.96% and 35.07% subjects in the group of 65-74 year had 20 above or 28 above remaining teeth, respectively, and the average teeth was 22.94. There were 8.34% subjects having single edentulous jaw arch and 1.39% subjects having both edentulous jaws. In the 35-44 and 65-74 year group, the prevalence of missing teeth in the female was significantly higher than the male (P < 0.05), while no significant difference was found between urban and rural areas (P > 0.05). More remaining teeth were noticed in current survey (2015) when compared to the data in 2005 (P < 0.05). Conclusion The 35-44 year people have few lost teeth, and over half of the elderly people have several lost teeth. Elderly people with edentulous arch are very few.

Key words: Missing teeth, Middle and old age people, Oral epidemiology, Oral health survey, Cross-sectional survey, Oral health care

CLC Number: 

  • R780.1

Table 1

Condition of remaining teeth in people aged 35- 44, 55-64 and 65 -74 in Guangdong Province n(%)"

年龄(岁) 城乡 性别 受检人数 ≥15颗 ≥20颗 ≥22颗 ≥28颗
35~44 城市 72 72(100) 72(100) 72(100) 68(98.44)
72 72(100) 72(100) 72(100) 62(86.11)
小计 144 144(100) 144(100) 144(100) 130(90.28)
农村 72 72(100) 72(100) 72(100) 67(93.06)
72 72(100) 72(100) 71(98.61) 59(81.94)
小计 144 144(100) 144(100) 143(99.31) 126(87.50)
合计 144 144(100) 144(100) 144(100) 135(93.75)
144 144(100) 144(100) 143(99.51) 121(84.03)
合计 288 288(100) 288(100) 287(99.65) 256(88.89)
55~64 城市 72 65(90.28) 59(81.94) 55(76.39) 42(58.33)
72 70(97.22) 69(95.83) 68(94.44) 42(58.33)
小计 144 135(93.75) 128(88.89) 123(85.42) 84(58.33)
农村 72 67(93.06) 63(87.50) 61(84.72) 47(65.28)
72 64(88.89) 61(84.72) 61(84.72) 39(54.17)
小计 144 131(90.97) 124(86.11) 122(84.72) 86(59.72)
合计 144 132(84.72) 122(84.72) 116(80.56) 89(61.82)
144 134(90.28) 130(90.28) 129(89.58) 81(56.25)
合计 288 266(92.36) 252(87.50) 245(85.07) 170(59.03)
65~74 城市 72 67(93.06) 60(83.33) 58(80.56) 40(55.56)
72 59(81.94) 50(69.44) 46(63.89) 14(19.44)
小计 144 126(87.50) 110(76.39) 104(72.22) 54(37.50)
农村 72 60(83.33) 52(72.22) 48(66.67) 22(30.56)
72 56(77.78) 51(70.83) 44(61.11) 25(34.72)
小计 144 116(80.56) 103(71.53) 92(63.89) 47(32.64)
合计 144 127(88.19) 112(77.78) 106(73.61) 62(43.06)
144 115(79.66) 101(70.14) 90(62.50) 39(27.08)
合计 288 242(84.03) 213(73.96) 196(68.06) 101(35.07)

Table 2

Comparison of dental defects in people aged 35-44, 55-64 and 65-74 in Guangdong Province n"

余留牙 35~44岁组 55~64岁组 65~74岁组
城市 农村 城市 农村 城市 农村
<28颗 9 23 14 18 55 63 60 58 82 105 90 97
≥28颗 135 121 130 126 89 81 84 86 62 39 54 47
χ2 6.891 0.563 0.919 0.057 8.067 0.747
P 0.014 0.574 0.402 0.905 0.006 0.459

Table 3

Average remaining teeth in people aged 35-44, 55-64 and 65 -74 in Guangdong Province"

年龄(岁) 性别 受检
人数
城市 农村 合计
余留牙颗数 $\overline{x}$± s 余留牙颗数 $\overline{x}$± s 余留牙颗数 $\overline{x}$± s
35~44 144 2 180 30.18 ± 1.79 2 165 30.07 ± 1.79 4 345 30.17 ± 1.79
144 2 143 30.17 ± 1.79 2 117 29.40 ± 2.17 4 260 29.58 ± 2.02
小计 288 4 323 30.02 ± 1.83 4 282 29.74 ± 2.01 8 605 29.88 ± 1.93
55~64 144 1 810 25.14 ± 7.52 1 905 26.46 ± 6.55 3 715 25.80 ± 7.05
144 1 950 27.04 ± 4.28 1 836 25.50 ± 7.16 3 786 26.29 ± 5.93
小计 288 3 760 26.11 ± 6.17 3 741 25.98 ± 6.85 7 501 26.05 ± 6.51
65~74 144 1 860 25.83 ± 6.26 1 596 22.17 ± 8.05 3 456 24.00 ± 7.42
144 1 555 21.60 ± 7.78 1 596 22.17 ± 8.22 3 151 21.88 ± 7.98
合计 288 3 415 23.72 ± 7.35 3 162 22.17 ± 8.11 6 607 22.94 ± 7.76

Table 4

Condition of edentulous jaw arch in people aged 55-64 and 65-74 in Guangdong Province"

年龄(岁) 地区 性别 受检人数 上颌牙缺失 下颌牙缺失 全口牙缺失
人数 率(%) 人数 率(%) 人数 率(%)
55~64 城市 72 3 4.17 1 1.39 1 1.39
72 0 0 0 0 0 0
小计 144 3 2.08 1 0.69 1 0.69
农村 72 1 1.39 1 1.39 1 1.39
72 2 2.78 4 5.56 1 1.39
小计 144 3 2.08 5 3.47 2 1.39
合计 144 4 2.78 2 1.39 2 1.39
144 2 1.39 4 2.78 1 0.69
合计 288 6 2.08 6 2.08 3 1.04
65~74 城市 72 2 2.78 2 2.78 1 1.39
72 2 2.78 5 6.94 1 1.39
小计 144 4 2.78 7 4.86 2 1.39
农村 72 4 5.56 3 4.17 1 1.39
72 4 5.56 2 2.78 1 1.39
小计 144 8 5.56 5 3.47 2 1.39
合计 144 6 4.17 5 3.47 2 1.39
144 6 4.17 7 4.86 2 1.39
合计 288 12 4.17 12 4.17 4 1.39

Table 5

Comparison of remaining teeth in groups aged 35-44 and 65-74 between 2005 and 2005-2016 人 (%)"

年龄(岁) 时间 受检人数 ≥15颗 ≥20颗 ≥22颗 ≥28颗 χ2 P
35~44 2005 720 718(99.72) 717(99.58) 714(99.17) 590(81.94) 7.355 0.006
2015-2016 288 288(100) 288(100) 287(99.65) 256(88.89)
65~74 2005 720 546(75.83) 457(63.47) 404(56.11) 167(23.19) 14.826 < 0.001
2015-2016 288 242(84.03) 213(73.96) 196(68.06) 101(35.07)
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