770 likes | 2.4k Views
Chapter 25 Oral and Maxillofacial Surgery. OMFS Oral and maxillofacial surgery (surgeon) Abbrev. OS Oral surgeon General dentist w/ 4 additional years of training, education. Surgeon. OMFSA Assistant Certification DANB (not necessary) 2 nd assistant is often utilized.
E N D
OMFS Oral and maxillofacial surgery (surgeon) Abbrev. OS Oral surgeon General dentist w/ 4 additional years of training, education. Surgeon
OMFSA Assistant Certification DANB (not necessary) 2nd assistant is often utilized. Six-handed dentistry Assistant
Procedures Extractions Biopsy Tumor removal Implants Oral / facial surgery TMJ / TMD Orthognathic Treatment
Extractions 3rd molars Most common tx Single tooth Multiple teeth Supernumerary Impactions ST = soft tissue Pb = partial bony Fb = full bony Extractions
Soft tissue impaction Crown is erupted through bone Under the gingiva Tx Incise gingiva Section if necessary Luxate / subluxate Extract Impaction
Partial bony impaction Crown is partially erupted through bone, under gums. Tx Incise gingiva Section tooth Extract pieces of tooth. 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 Impaction
Biopsy Surgical removal of tissue for examination. 5 main types Excisional Incisional Smear Punch Needle Biopsy
Excisional biopsy Complete removal of the lesion and… Normal tissue to compare Done on small lesions. < 10mm Biopsy
Incisional biopsy Small section of the lesion is removed and…. Normal tissue to compare Done on large lesions > 10mm Smear biopsy Aka Exfoliative cytology Layer of cells are swabbed from mucosa. DNA Paternity 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 Biopsy
Tumor removal ‘oma’ = tumor Cysts Granuloma Carcinoma Fibroma Lymphoma Osteoma Tumors
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 Implants
TMD Temporomandibular disorder / dysfunction Popping Clicking Grinding Lock open / close Dislocation Temporomandibular joint
Surgery due to: Genetics Cleft palate Disease Cancer Trauma Car accident Fight Animal attack Oral / facial surgery
Ortho = straight Gnathia = jaw Surgery to correct Malocclusion Function Chewing Breathing Speech Coordinates tx w/ orthodontist. Orthognathic surgery
Alveo = alveolar bone Plasty = reshaping / recontouring Done w/ multiple extractions Dentures Full Partial Alveoplasty
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 Related terms
Blood clot Forms Granulation tissue Forms Trabeculi Forms Bone 4 -5 months females 5 -6 months for males Stages of healing
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????????