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DR. BEENA VIJAYAN PARVATHY
II nd YEAR PG
CONTENTS
 DEFINITION
 ETIOLOGY
 HISTORICAL PRESPECTIVE
 TERMINOLOGIES WHICH HAVE BEEN USED TO
DESCRIBE OCCLSAL TRAUMA
 REVIEW OF LITERATURE
 OCCLUSAL FORCES DURING JAW MOVEMENTS
 CLASSIFICATION
 STAGES OF TISSUE RESPONSE TO EXCESSIVE
OCCLUSAL FORCES
 EXAMINATION AND DIAGNOSIS
 RADIOGRAPHIC SIGNS
 IS TRAUMATIC OCCLUSION REVERSIBLE?
 TRAUMA FROM OCCLUSION ARROUND
IMPLANTS
 OUR PRESENT UNDERSTANDING
 TREATMENT
DEFINITION
 WHO, 1978
 GPT, 2001
 Jan De Boever, 2004
 Carranza, 2006
ETIOLOGY
 Precipitating factors (Primary etiology)
Destructive occlusal forces
Magnitude of force Direction of force
Frequency of force Duration of force
 Predisposing factors
Development of TFO indirectly
Intrinsic factors Extrinsic factors
Types of Occlusal Forces
 Normal physiological forces
 Impact forces
 Continuous forces
 Jiggling forces
HISTORICAL PRESPECTIVE
 Karolyi, 1901
 Boxs Study, 1935
 Stones Study, 1938
 Bhaskar & Orban, 1955
TERMINOLOGIES WHICH HAVE BEEN USED TO
DESCRIBE OCCLUSAL TRAUMA
 Stillman 1917
 Box 1930
 Ramfjord & Ash 1972
 Muhlemann 1956 Traumatogenic occlusal situation
 Orban 1958 & Pichard 1965 Periodontal traumatism
 Glickman 1974 Trauma from Occlusion
Traumatic occlusion
REVIEWOF LITERATURE
 Stillmann 1917
AUTOPSY STUDIES:
 Weinman et al
 Glickmans Concept:-
 Glickman & Smulow (1962,1969)
 Glickman (1963,1965) Theory of Co-destruction
Trauma From Occlusion.pptx
 Waerhaugs Concept
ANIMAL STUDY:
 Rochester Group (Polson & Co-workers)
 Gothenburg Group (Lindhe & Co-workers)
HUMAN TRIALS:
 Burgett et al 1992
 Shefter GJ & Philstrom BL
 McGuire MK & Nunn ME
OCCLUSAL FORCES DURING JAW
MOVEMENTS
 Svanberg GK, King GJ & Gibbs CH
CLASSIFICATION
 Acute Trauma From Occlusion
 Chronic Trauma From Occlusion
 Primary Trauma From Occlusion
 GPT, AAP 1992
 Polson AM, 1976
 Secondary Trauma From Occlusion
 GPT, AAP 1992
STAGES OF TISSUE RESPONSE TO EXCESSIVE
OCCLUSAL FORCES
 Carranza (1967, 1970)
I. Stage I, Injury
 Slightly excessive forces Zaki AE,1963
 Greater than slightly excessive force Rygh P,1972-
1974)
 Severly high forces Stallard,1964 & Stahl SS,1975)
II. Stage II, Repair
 Buttressing Bone Formation  Glickman & Smulov,
1965
 Lipping - Glickman & Smulov, 1962
III. Stage III, Adaptive Remodelling of the Periodontium
 Lindhe & Ericsson, 1984
 Carranza & Dotto, 1966
Trauma From Occlusion.pptx
EXAMINATION AND DIAGNOSIS
Signs of Trauma From Occlusion
 Tooth Mobility
 Tooth Migration
 Wear Patterns
 Abfraction, especially in premolars
 V-Shaped or Angled Gingival Recession
 Fremitus Test  Ingervall B, 1972
Symptoms of Trauma From Occlusion
 Persistent Discomfort on Eating
 Thermal Sensitivity
 Muscle Hypertonicity
RADIOGRAPHIC SIGNS
IS TRAUMATIC OCCLUSION
REVERSIBLE?
TRAUMA FROM OCCLUSION
ARROUND IMPLANTS
TREATMENT
 Occlusal adjustments
 Management of parafunctional habits
 Splinting of teeth
 Orthodontic tooth movement
 Occlusal reconstruction
 Extraction of selected teeth
Perio 2000, 2017
OUR PRESENT UNDERSTANDING
REFERENCE
 Role Of Occlusion In The Etiology And Treatment, Of Periodontal Disease,
IRVING GLICKMAN, Tufts University School Of Dental Medicine, Boston,
Massachusetts 02111, USA.
 Radiographs In Periodontics, Niklaus P. Langi And Roger W. HILLS, Journal Of
Clinical Periodontology: 1977: 4: 16-28.
 The Infrabony Pocket And Its Relationship To Trauma From Occlusion And
Subgingival Plaque By Jens Waerhaug.
 Role Of Occlusion In Periodontal Disease, Euloir Passanezi, Adriana Campos
Passanezi Sant'ana.
 Association Of Trauma From Occlusion With Localized Gingival Recession In
Mandibular Anterior Teeth Pratibha Panduranga Kundapur, Khandige Mahalinga
Bhat, And Giliyar Subraya Bhat, Dent Res J (Isfahan). 2009 Autumn; 6(2): 7174.
 Occlusal Trauma And Excessive Occlusal Forces: Narrative Review, Case
De鍖nitions, And Diagnostic Considerations Jingyuan Fan Jack G. Caton.
 Clinical Diagnosis Of Trauma From Occlusion And Its Relation With Severity Of
Periodontitis L. J. Jtn And C. F. Cao.
Trauma From Occlusion.pptx

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Trauma From Occlusion.pptx

  • 1. DR. BEENA VIJAYAN PARVATHY II nd YEAR PG
  • 2. CONTENTS DEFINITION ETIOLOGY HISTORICAL PRESPECTIVE TERMINOLOGIES WHICH HAVE BEEN USED TO DESCRIBE OCCLSAL TRAUMA REVIEW OF LITERATURE OCCLUSAL FORCES DURING JAW MOVEMENTS CLASSIFICATION STAGES OF TISSUE RESPONSE TO EXCESSIVE OCCLUSAL FORCES EXAMINATION AND DIAGNOSIS
  • 3. RADIOGRAPHIC SIGNS IS TRAUMATIC OCCLUSION REVERSIBLE? TRAUMA FROM OCCLUSION ARROUND IMPLANTS OUR PRESENT UNDERSTANDING TREATMENT
  • 4. DEFINITION WHO, 1978 GPT, 2001 Jan De Boever, 2004 Carranza, 2006
  • 5. ETIOLOGY Precipitating factors (Primary etiology) Destructive occlusal forces Magnitude of force Direction of force Frequency of force Duration of force Predisposing factors Development of TFO indirectly Intrinsic factors Extrinsic factors
  • 6. Types of Occlusal Forces Normal physiological forces Impact forces Continuous forces Jiggling forces
  • 7. HISTORICAL PRESPECTIVE Karolyi, 1901 Boxs Study, 1935 Stones Study, 1938 Bhaskar & Orban, 1955
  • 8. TERMINOLOGIES WHICH HAVE BEEN USED TO DESCRIBE OCCLUSAL TRAUMA Stillman 1917 Box 1930 Ramfjord & Ash 1972 Muhlemann 1956 Traumatogenic occlusal situation Orban 1958 & Pichard 1965 Periodontal traumatism Glickman 1974 Trauma from Occlusion Traumatic occlusion
  • 9. REVIEWOF LITERATURE Stillmann 1917 AUTOPSY STUDIES: Weinman et al Glickmans Concept:- Glickman & Smulow (1962,1969) Glickman (1963,1965) Theory of Co-destruction
  • 11. Waerhaugs Concept ANIMAL STUDY: Rochester Group (Polson & Co-workers) Gothenburg Group (Lindhe & Co-workers) HUMAN TRIALS: Burgett et al 1992 Shefter GJ & Philstrom BL McGuire MK & Nunn ME
  • 12. OCCLUSAL FORCES DURING JAW MOVEMENTS Svanberg GK, King GJ & Gibbs CH
  • 13. CLASSIFICATION Acute Trauma From Occlusion Chronic Trauma From Occlusion Primary Trauma From Occlusion GPT, AAP 1992 Polson AM, 1976 Secondary Trauma From Occlusion GPT, AAP 1992
  • 14. STAGES OF TISSUE RESPONSE TO EXCESSIVE OCCLUSAL FORCES Carranza (1967, 1970) I. Stage I, Injury Slightly excessive forces Zaki AE,1963 Greater than slightly excessive force Rygh P,1972- 1974) Severly high forces Stallard,1964 & Stahl SS,1975) II. Stage II, Repair Buttressing Bone Formation Glickman & Smulov, 1965 Lipping - Glickman & Smulov, 1962
  • 15. III. Stage III, Adaptive Remodelling of the Periodontium Lindhe & Ericsson, 1984 Carranza & Dotto, 1966
  • 17. EXAMINATION AND DIAGNOSIS Signs of Trauma From Occlusion Tooth Mobility Tooth Migration Wear Patterns Abfraction, especially in premolars V-Shaped or Angled Gingival Recession Fremitus Test Ingervall B, 1972
  • 18. Symptoms of Trauma From Occlusion Persistent Discomfort on Eating Thermal Sensitivity Muscle Hypertonicity
  • 22. TREATMENT Occlusal adjustments Management of parafunctional habits Splinting of teeth Orthodontic tooth movement Occlusal reconstruction Extraction of selected teeth Perio 2000, 2017
  • 24. REFERENCE Role Of Occlusion In The Etiology And Treatment, Of Periodontal Disease, IRVING GLICKMAN, Tufts University School Of Dental Medicine, Boston, Massachusetts 02111, USA. Radiographs In Periodontics, Niklaus P. Langi And Roger W. HILLS, Journal Of Clinical Periodontology: 1977: 4: 16-28. The Infrabony Pocket And Its Relationship To Trauma From Occlusion And Subgingival Plaque By Jens Waerhaug. Role Of Occlusion In Periodontal Disease, Euloir Passanezi, Adriana Campos Passanezi Sant'ana. Association Of Trauma From Occlusion With Localized Gingival Recession In Mandibular Anterior Teeth Pratibha Panduranga Kundapur, Khandige Mahalinga Bhat, And Giliyar Subraya Bhat, Dent Res J (Isfahan). 2009 Autumn; 6(2): 7174. Occlusal Trauma And Excessive Occlusal Forces: Narrative Review, Case De鍖nitions, And Diagnostic Considerations Jingyuan Fan Jack G. Caton. Clinical Diagnosis Of Trauma From Occlusion And Its Relation With Severity Of Periodontitis L. J. Jtn And C. F. Cao.