Extracting teeth
(exodontia)
Reasons:
 Caries - destruction of tooth
 Trauma – destruction of tooth
 Periodontitis – lost of PDL and bone
 Endodontic reasons
 Retention, semiretention if it causes
heavy inflammation and pain
Oral and maxillofacial
surgery III.
Dental speciality that deals with
diagnosis and surgical treatment of
diseases, injuries and deformities of
the face and jaws.
Principles of extraction
Interruption, rupture of preiodontal
Ligaments and extraction - the tooth
is pulled out.
Position of dentist and
sitting patient
 In front of the patient
(Upper teeth, mandibular anterior teeth
and left side premolars and molars
 Behind the patient
Right side premolars and molars
Interruption of dentogingival
junction and periodontal
ligament
 Straight elevator
Interruption of
periodontal ligament
 Moving with tooth using forceps
Pliers are applied in the long axix of the
tooth around its neck
-Movement vestibulary and orally
-Rotation is allowed only in central
incisors (the root is round)
After releasing the tooth is pulled out
Protection of surrouding
tissues
 Left hand must protect surrounding
tissues and opposite teeth.