【阿威獸醫師的開口啟齒：敢刷牙就死當你？！】

這篇牙周病學的研究是1963-1965年牙周病學的挪威裔教授兼牙醫師Harald Löe進行的一個實驗，他要求牙醫系的學生們禁止刷牙兩週，之後再恢復每天刷牙兩週，觀察實驗期間學生們口腔的牙菌斑指數(plaque index, PI)以及牙齦指數(gingival index, GI)。(請見備註)

結果發現，在沒有刷牙的前兩週，學生們的PI及GI分數皆有明顯的上升(亦即是口腔衛生狀況急速惡化)，而在恢復每天刷牙的後兩週，學生們的PI及GI指數又很迅速地下降(口腔衛生狀況明顯改善)，從結果可得知，每天刷牙對於口腔衛生的維持是非常重要且不可取代性。
附帶一提，這篇文獻的理論截至目前為止都沒有被推翻，是牙周病學的聖經之一，至今所有的牙周病學研究及臨床治療都以此為基礎。

我一直提倡飼主一定要幫狗貓刷牙，也是以此為基礎，狗貓因為口腔酸鹼值與細菌菌叢與人類不同，蛀牙的機率少很多，但普遍臨床上，牙周病發生機率非常高，還是希望飼主能幫家中的伴侶動物維護口腔健康、每日確實刷牙。
※備註：牙菌斑指數(plaque index, PI)：所有牙齒的每一個面(近心、遠心、頰側與舌側)，有無牙菌斑或牙齦流血的現象(0分-無；1分-輕微；2分-中等；3分-嚴重)，數字越大表示牙菌斑附著或牙齦流血狀況越嚴重。
牙齦指數(gingival index, GI)：所有牙齒的內外側(即唇側與舌側面)，是否有牙齦發炎之狀況(0分-無發炎；1分-輕微發炎紅腫；2分-中度發炎紅腫，可能會流血；3分-嚴重發炎紅腫，可能有潰瘍及流血)，數字越大表示牙齦發炎狀況越嚴重。

  This research of periodontology was an experiment conducted by Harald Löe, a Norwegian professor and dentist in periodontology from 1963 to 1965. He asked students of the department of dentistry to stop brushing their teeth for two weeks, and then resume brushing every day for two weeks. During the experiment, the students’ oral plaque index (PI) and gingival index (GI) were observed.
  The results showed that in the first two weeks without brushing teeth, the students’ PI and GI scores increased significantly (that means the oral hygiene deteriorated rapidly), and in the next two weeks after they resumed brushing their teeth every day, the students’ PI and GI scores dropped rapidly again (the oral hygiene was significantly improved). From the results, it can be seen that brushing teeth every day is very important and irreplaceable for the maintenance of oral hygiene.
  Incidentally, the theory of this reference has not been overturned so far, and it is one of the bibles of periodontology. Until now, all research and clinical treatment about periodontology are based on this.
  I have always advocated that owners must brush their dogs and cats’ teeth. This reference is also the basis. Dogs and cats have a much lower chance of dental caries because of the difference in oral pH and bacterial flora from humans. However, in general clinically, the incidence of periodontal disease is very high, so I still hope that the owner can help dogs and cats to brush their teeth every day, maintain good oral hygiene and health.

參考文獻：
Loe, H., Theilade, E., & Jensen, S. B. (1965). Experimental Gingivitis in Man. J Periodontol, 36, 177-187. doi:10.1902/jop.1965.36.3.177

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【硬組織】
▲超音波骨刀機微創拔牙▲全口精密洗牙(含牙科X光、牙根整平術、全口牙周檢查、拋光)
▲根管治療 ▲3D列印動物牙冠和牙橋 ▲GTR牙周再生重建 ▲GBR引導骨再生術
▲動物植牙 ▲牙體復形(補牙)
▲動物齒列矯正 ▲兔子牙科(磨牙、齒列矯正）
▲上下頷骨骨折(顎間固定術、截骨術)
【軟組織】
★本院獨創的牙齦黏膜置換手術(Mucogingival Replacement Surgery, 簡稱MGRS)
▲貓口炎治療 ▲動物牙周病治療
▲齒槽廔管治療 ▲口鼻廔管治療
▲口腔腫瘤切除 ▲齒槽膿瘍治療


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