Surgical Orthodontics Question And Answers

Surgical Orthodontics Important Notes

  • Pericision/circumferential supracrestalfibrotomy
    • Performed in case of rotations
    • In it, gingival fibres are incised to prevent relapse
    • Performed under LA with no. 11 knife

Surgical Orthodontics Long Essays

Question 1. Classify surgical orthodontics. Discuss about minor surgical orthodontic procedure.
Answer.

Surgical Orthodontic Procedure

Minor Procedure:

  • Extractions
    • Therapeutic
    • Serial
    • Carious teeth
    • Malformed teeth
    • Impacted teeth
    • Supernumerary teeth
  • Surgical uncovering of teeth
  • Frenectomy
  • Pericision
  • Transplantation of teeth
  • Corticotomy

Major procedures:

  • Orthodontic surgeries
  • Cosmetic surgeries
  • Surgical corrections of clefts
  • Surgical RME

Minor Surgical Procedures:

Extraction:

  • Therapeutic extraction
    • To gain space
    • Should be atraumatic
  • Serical extraction
    • Removal of some deciduous teeth followed by specific permanent
    • Done during mixed dentition period
    • In severe arch length deficient
  • Supernumeray teeth
    • It leads to malocclusion or development of cyst
    • Thus, need to be extracted

Surgical Uncovering of Impacted teeth:

  • Impacted teeth causes deflection of teeth
  • Common – Maxillary permanent canine
    • Cause – Arch length deficiency, Mucosal/bony barriers
    • These barriers are removed to allow eruption of impacted teeth

 

Orthodontics Surgical Orthodontics Periapical radiograph anterior view

Frenectomy:

  • Abnormal labial frenum causes mid line diastema
  • Frenum is totally excise along with attached fibrous tissue
  • Undermining of mucosa of lip is done

Orthodontics Surgical Orthodontics Maxillary Labial Frectonomy

Corticotomy:

Indication of Corticotomy:

  • Proclination with spacing

Procedure of Corticotomy:

 

Orthodontics Surgical Orthodontics Corticotomy Procuedure

Pericision:

Synonym – Circumferential Supra-crestal Fibrotomy [CSF]

  • It is procedure to counter the relapse tendency of stretched gingival fibres

Cause of Relapse: Faillure of adaptation of transeptal and alveolar crestal group of gingival fibres to the new tooth position

Procedure of Relapse:

 

Orthodontics Surgical Orthodontics Pericision Procedure

Surgical Orthodontics Short Essays

Question 1. Genioplasty.
Answer.

  • Used as an adjunctive.

Types of Genioplasty:

Augmentation genioplasty:

  • Horizontal osteotomy cut given
  • Mobilize the segment and fix

Reduction genioplasty:

  • Horizontal osteotomy cut given
  • Setback fragment and fix it

Straightening genioplasty:

  • Horizontal osteotomy cut given
  • Shift it laterally and fix it

Lengthening genioplasty:

  • Horizontal osteotomy cut given
  • Shift fragment inferiorly

Read And Learn More: Orthodontics Short And Long Essay Question And Answers

  • Sandwich grafts in between them

Orthodontics Surgical Orthodontics Sliding and reduction genioplasty

Question 2. Orthognathic Surgery in Maxilla.
Answer.

  • Carried out along with orthodontic therapy to correct dento facial deformities
  • Involves fracturing of facial skeletal parts and respositioning them as desired

Steps of Orthognathic Surgery:

  • Diagnosis
  • Pre-surgical orthodontics
  • Mock surgery
  • Surgery and stabilization
  • Post surgical orthodontics

Steps of Orthognathic Surgery

Orthodontics Surgical Orthodontics Orthognathic surgery

Orthodontics Surgical Orthodontics Maxillary protrusion

Orthodontics Surgical Orthodontics Class 3 skeletal pattern

Orthodontics Surgical Orthodontics Long face is usually associated with vertical maxillary

Orthodontics Surgical Orthodontics Bimaxillary protrusion require maxillary and mandibular segmental osteotomy

Surgical Orthodontics Short Questions And Answers

Question 1. Frenectomy.
Answer.

  • Abnormal labial frenum causes mid line diastema
  • Frenum is totally excise along with attached fibrous tissue
  • Undermining of mucosa of lip is done

Question 2. Pericision.
Answer.

  • Synonym – Circumferential Supra-crestal Fibrotomy [CSF]
    • It is procedure to counter the relapse tendency of stretched gingival fibres
  • Cause of Relapse: Faillure of adaptation of transeptal and alveolar crestal group of gingival fibres to the new tooth position

Procedure of Pericision:

 

Orthodontics Surgical Orthodontics Pericision Procedure

Surgical Orthodontics Viva Voce

  • Pericision is done to prevent relapse of rotation of teeth
  • Pericision involves surgical lysis of gingival

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