Diagnosis and biopsy Flashcards
determination of the nature of a disease or any pathologic condition
diagnosis
🤔 based on logic
♻️ sign & symp are pathog feat
Direct Diagnosis
🦷 mainly used for abno of teeth
direct diagnosis
💋 based on clinical exam (percus palpi physi exam)
Working or Tentative diagnosis
presumptive and initial diagnosis
Working or tentative diagnosis
“the most likely diagnosis”
working or tentative diagnosis
based on all diagnosis tests
Definitive or final diagnosis
most reliable exam
biopsy or microscopic exam or histo exam
based on the knowledge and experience of the dentist
spot or impromptu diagnosis
🧠 comparative diagnosis or diagnosis by elimination
differential diagnosis
indications for biopsy
🚗 persistent lesion 🚕 lesion with hyperkeratosis 🚡 lesion on high risk areas 🚞 suspect malignancy 🚠 boney lesion cnt be ident clinical and rx
high risk areas
floor of mouth
tongue (posterolateral border)
types of biopsy
🗺 excisional
🗿 incisional
🗽 aspiration
🗼 punch biopsy
whole thickness is taken using a device
punch biopsy
device for punch biopsy
trephine
solutions for specimen
10% buffered formalin or 70% alcohol
amount of solution
20x of sepcimen
gauge for aspiration
18 or 16
okc aspirate
creamy white or cheese colored
indicated for lesions <1cm
excisional
incision shape and size
football or eliptical
2-3mm margin
why eliptical
for better coaptation
anes technique for excisional biopsy
nerve block and local infil
injection site
1mm away from lesion
