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==Instruments Used to Examine the Mouth==
==Instruments Used to Examine the Mouth==
[[File:Oral examination instruments.jpg|right|200px|thumb|Instruments used for oral examination – periodontal probe, explorer probe, dental mirror<small>''© Lisa Milella 2013''</small>]]
[[File:Oral examination instruments.jpg|right|200px|thumb|Instruments used for oral examination – periodontal probe, explorer probe, dental mirror<small>''© Lisa Milella 2013''</small>]]
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[[File:Modified pen grip.jpg|right|200px|thumb|Correct way to hold a periodontal probe, modified pen grip.<small>''© Lisa Milella 2013''</small>]]
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[[File:Periodontal probe 3.jpg|right|200px|thumb|Periodontal probe (14W type) showing graduations of the tip<small>''© Lisa Milella 2013''</small>]]
[[File:Explorer probes.jpg|right|200px|thumb|Different examples of explorer probes<small>''© Lisa Milella 2013''</small>]]
[[File:Explorer probes.jpg|right|200px|thumb|Different examples of explorer probes<small>''© Lisa Milella 2013''</small>]]
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[[File:Periodontal probe in situ.jpg|right|200px|thumb|Periodontal probe used to measure gingival sulcus depth and feel for attachment loss. Here the probing depth is 2mm and considered normal on a canine tooth<small>''© Lisa Milella 2013''</small>]]
===Periodontal Probe===
===Periodontal Probe===
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The markings are either engraved rings or colour coded bands. A screening probe for example has 3 or 4mm banded block markings whilst a Williams periodontal probe is more accurate with mm markings. Before using the probe, the operator should ensure that they know what the marking represent by comparing it do a ruler.
The markings are either engraved rings or colour coded bands. A screening probe for example has 3 or 4mm banded block markings whilst a Williams periodontal probe is more accurate with mm markings. Before using the probe, the operator should ensure that they know what the marking represent by comparing it do a ruler.
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[[File:Modified pen grip.jpg|right|200px|thumb|Correct way to hold a periodontal probe, modified pen grip.<small>''© Lisa Milella 2013''</small>]]
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[[File:Periodontal probe 3.jpg|right|200px|thumb|Periodontal probe (14W type) showing graduations of the tip<small>''© Lisa Milella 2013''</small>]]
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[[File:Periodontal probe in situ.jpg|right|200px|thumb|Periodontal probe used to measure gingival sulcus depth and feel for attachment loss. Here the probing depth is 2mm and considered normal on a canine tooth<small>''© Lisa Milella 2013''</small>]]
===Dental Explorer===
===Dental Explorer===