Chapter 25 Oral and Maxillofacial Surgery - PowerPoint PPT Presentation

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Chapter 25 Oral and Maxillofacial Surgery

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Title: Chapter 19 Oral and Maxillofacial Surgery Author: administrator Last modified by: Windows User Created Date: 6/12/2007 11:21:52 PM Document presentation format – PowerPoint PPT presentation

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Title: Chapter 25 Oral and Maxillofacial Surgery


1
Chapter 25 Oral and Maxillofacial Surgery
2
Surgeon
  • OMFS
  • Oral and maxillofacial surgery (surgeon)
  • Abbrev. OS
  • Oral surgeon
  • General dentist w/
  • 4 additional years of training, education.

3
Assistant
  • OMFSA
  • Assistant
  • Certification
  • DANB
  • (not necessary)
  • 2nd assistant is often utilized.
  • Six-handed dentistry

4
Treatment
  • Procedures
  • Extractions
  • Biopsy
  • Tumor removal
  • Implants
  • Oral / facial surgery
  • TMJ / TMD
  • Orthognathic

5
Extractions
  • Extractions
  • 3rd molars
  • Most common tx
  • Single tooth
  • Multiple teeth
  • Supernumerary
  • Impactions
  • ST soft tissue
  • Pb partial bony
  • Fb full bony

6
Impaction
  • Soft tissue impaction
  • Crown is erupted through bone
  • Under the gingiva
  • Tx
  • Incise gingiva
  • Section if necessary
  • Luxate / subluxate
  • Extract

7
Impaction
  • Partial bony impaction
  • Crown is partially erupted through bone, under
    gums.
  • Tx
  • Incise gingiva
  • Section tooth
  • Extract pieces of tooth.

8
Impaction
  • Full bony impaction
  • Crown of tooth (entire tooth) is covered w/ bone.
  • Tx
  • Incise gingiva
  • Remove bone to expose tooth.
  • Section tooth
  • Remove pieces

9
Biopsy
  • Biopsy
  • Surgical removal of tissue for examination.
  • 5 main types
  • Excisional
  • Incisional
  • Smear
  • Punch
  • Needle

10
Biopsy
  • Excisional biopsy
  • Complete removal of the lesion and
  • Normal tissue to compare
  • Done on small lesions.
  • lt 10mm

11
Biopsy
  • Incisional biopsy
  • Small section of the lesion is removed and.
  • Normal tissue to compare
  • Done on large lesions
  • gt 10mm
  • Smear biopsy
  • Aka
  • Exfoliative cytology
  • Layer of cells are swabbed from mucosa.
  • DNA
  • Paternity

12
Biopsy
  • Punch biopsy
  • Core of tissue is punched out of the center of
    a lesion
  • Needle biopsy
  • Needle is used to draw fluid from lesion

13
Tumors
  • Tumor removal
  • oma tumor
  • Cysts
  • Granuloma
  • Carcinoma
  • Fibroma
  • Lymphoma
  • Osteoma

14
Implants
  • Implants
  • 2 main types
  • Endosteal
  • In the bone
  • Subperiosteal
  • On top of the bone
  • Osseointegration
  • Implant fuses w/ the alveolar bone.
  • Abutments for
  • Crowns, bridges
  • Dentures

15
Temporomandibular joint
  • TMD
  • Temporomandibular disorder / dysfunction
  • Popping
  • Clicking
  • Grinding
  • Lock open / close
  • Dislocation

16
Oral / facial surgery
  • Surgery due to
  • Genetics
  • Cleft palate
  • Disease
  • Cancer
  • Trauma
  • Car accident
  • Fight
  • Animal attack

17
Orthognathic surgery
  • Ortho straight
  • Gnathia jaw
  • Surgery to correct
  • Malocclusion
  • Function
  • Chewing
  • Breathing
  • Speech
  • Coordinates tx w/ orthodontist.

18
Alveoplasty
  • Alveo alveolar bone
  • Plasty reshaping / recontouring
  • Done w/ multiple extractions
  • Dentures
  • Full
  • Partial

19
Related terms
  • Ostectomy
  • Removal of bone
  • Osteoplasty
  • Reshaping bone
  • Ankylosis
  • Tooth fuses to bone
  • Alveolitis
  • Dry socket
  • Ankyloglossia
  • Tongue tied
  • Lingual frenum is attached at/near tip of the
    tongue
  • Tx frenectomy

20
Stages of healing
  • Blood clot
  • Forms
  • Granulation tissue
  • Forms
  • Trabeculi
  • Forms
  • Bone
  • 4 -5 months females
  • 5 -6 months for males

21
Conclusion
  • Understanding why oral surgery is done and when
    is very important.
  • You are the expert, and should be able to
    explain it to your patients.
  • Never diagnose, refer difficult questions to your
    dentist.
  • Any questions????????
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