8068个智齿的阻生情况调查
1??566?????1???????1??????????????
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??????19835.00
??????????38167.31
??????33159.00
?????[7622.75
3
9616.96
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??????????7212.72
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,
?P???????[????????
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??????????????????,?P????????????????,?????]???[??
?????(?5????????????????????67.31%,?????3????,???<
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??99.19%
[1]
;?????????????1??????????????????89.
62%
[2]
,?]???????????????0??;?????0???????1???.????
??,?????????1??????????,??????????????????,???]????
????????????????????????????????????????????,?????0
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???????????????????[??,?0?????1????????????????
57.5%
[3]
;???6????????????????,??59%;?P???[??????,
??????????????22.75%?5???????????;?6??638?[??????
????36.99%????,?]?????5?6????????50.83%,???(??
59.4%????
[4]
?5
???7???????2??,??????????????????????,????????
????????;?????????????????????????[??,???????7????
?????????????????[???????????,????,??????????????
??,?????????????????????????????????5
???6????
1?????9,??.?????????????????????????????6???P??.??????????
??????,1998,33.(1):21
2?????[,??.501?[???1?????????????]??????????????????????
??.????????????????,1998,33(4):227
3????????,??.?1???????????????????????P??.??????????????
??,1998,33(3):145
4????????.?(????????638?[?%?????????????????????[?????6
??.????????????????,1996,14(2):159
8068?????????????????6??
??????
?????1?8?]??????????????????????(650502)
?????(????1997??12?.??1998??5?.??2017?[(8068??
????)?????????????????????????6??,???????????2?5
?????]????
?6???????????????????????????????????1????????
2017?[,????????1417?[,????600?[?5?????6???0????
20??50??,????20??30????64.19%,31??40????24.81%,
41??50????10.28%,???????????????????[?]?9???<?5??
???????????]????????????????????????????,?????????]
???????????????????????[?,?????????8???5
????????
11:????2017??,?0399??????????,??
????289??,??110???5
21:????8068??????,?0588??
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%?5?7??3??,??%;?2??55??,??5%?5
??????,??3%;??????,??56%?5
31:????408??,??69.39%;???(98
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????16??,??27.2%;?]??3??,??0.51%?5
41:?7??????13??,??8.61%;?[??
??2??,??1.32%?5?2??????114??,??75.50%;?[????22
??,??14.57%?5
????????
?0???????????????6???????????????(?5???0??????
??????????62.8%,?]?????6?????????5?????5???6??????
???????????????]?????5(P>0.05),???2???]???????7??
(P<0.01)?5?2????????????????????????????????,?,?]
???????(,???P?2???????????????????????????,?9??????
???5?????????????????2??????????(?(?????7??)?>????
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???????????????????????????5??????????????????????
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??053????????????????2000???????????????7
7.442972.918
27.04712.41187.9
29049.22980.8