Complete and Partial Edentulism April 2, 2004 ICD-9 C & M Meeting Baltimore, MD.
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Transcript of Complete and Partial Edentulism April 2, 2004 ICD-9 C & M Meeting Baltimore, MD.
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Complete and Partial Complete and Partial EdentulismEdentulism
April 2, 2004April 2, 2004
ICD-9 C & M MeetingICD-9 C & M MeetingBaltimore, MDBaltimore, MD
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525525 Other diseases and Other diseases and conditions of the teeth and conditions of the teeth and
supporting structuressupporting structures 525.1525.1 Classification of edentulism Classification of edentulism
based based on the etiology of tooth on the etiology of tooth lossloss
- Trauma- Trauma
- Extraction- Extraction
- Periodontal Disease- Periodontal Disease
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Complete Complete EdentulismEdentulism
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Complete EdentulismComplete Edentulism
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Complete EdentulismComplete Edentulism
Edentulism, defined as total tooth loss, is more Edentulism, defined as total tooth loss, is more prevalent among persons with less than a high prevalent among persons with less than a high school education, those without dental insurance, school education, those without dental insurance, non-Hispanic blacks, and current everyday non-Hispanic blacks, and current everyday smokers (CDC, 1999) smokers (CDC, 1999)
Between the 1950s and the early 1990s the Between the 1950s and the early 1990s the prevalence of edentulism in the United States prevalence of edentulism in the United States decreased from 50% to 42% among people aged decreased from 50% to 42% among people aged 65 and older, from 28% to 11% for 45- to 64-year-65 and older, from 28% to 11% for 45- to 64-year-olds, and from 5% to 2% for persons 18 to 44 olds, and from 5% to 2% for persons 18 to 44 years old (Oliver & Brown, 1993)years old (Oliver & Brown, 1993)
1998 National Health Interview Survey, National Center for Health Statistics, and the 1999 Behavioral Risk Factor Surveillance System, CDC
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525525 Other diseases and Other diseases and conditions of the teeth and conditions of the teeth and
supporting structuressupporting structures
525.4525.4 Classification of complete Classification of complete edentulism based on the edentulism based on the
severity severity of the completely of the completely edentulous edentulous predicamentpredicament
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Complete EdentulismComplete Edentulism
Classification System for Classification System for Complete Edentulism Complete Edentulism
McGarry TJ, Nimmo A, Skiba JF, McGarry TJ, Nimmo A, Skiba JF, Ahlstrom RH, Smith CR, Koumjian JHAhlstrom RH, Smith CR, Koumjian JH
J Prosthodont. 1999 Mar;8(1):27-39J Prosthodont. 1999 Mar;8(1):27-39
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Classification System for the Completely Edentulous PatientClass I
Class II
Class III
Class IV
Diagnostic Criteria1. Bone height--mandibular2. Maxillomandibular
relationship3. Residual ridge morphology-
maxilla4. Muscle attachments
Ideal or minimally compromised
Moderately compromised
Substantially compromised
Severely compromised
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Diagnostic CriteriaDiagnostic Criteria
1. Bone height--mandibular2. Maxillomandibular
relationship3. Residual ridge morphology-
maxilla4. Muscle attachments
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1. Bone Height1. Bone Height
MandibularMandibular
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Type IType I
Residual bone height Residual bone height of 21mm or greater of 21mm or greater measured at the measured at the least vertical least vertical height of the height of the mandible.mandible.
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Type IVType IV
Residual vertical Residual vertical bone height of 10 bone height of 10 mm or less mm or less measured at the measured at the least vertical least vertical height of the height of the mandiblemandible
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2. Residual Ridge 2. Residual Ridge MorphologyMorphology
MaxillaMaxilla
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Type AType A Anterior labial and posterior buccal vestibular Anterior labial and posterior buccal vestibular
depth that resists vertical and horizontal depth that resists vertical and horizontal movement of the denture basemovement of the denture base
Palatal morphology that resists vertical and Palatal morphology that resists vertical and horizontal movement of the denture basehorizontal movement of the denture base
Sufficient tuberosity definition that resists vertical Sufficient tuberosity definition that resists vertical and horizontal movement and horizontal movement of the denture baseof the denture base
Hamular notch is well Hamular notch is well defined to establish the defined to establish the posterior extension of the posterior extension of the denture basedenture base
Absence of tori or exostosesAbsence of tori or exostoses
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Type DType D Loss of anterior labial and posterior buccal vestibulesLoss of anterior labial and posterior buccal vestibules
Maxillary palatal and/or lateral tori-rounded or undercut- Maxillary palatal and/or lateral tori-rounded or undercut- that interferes with the posterior border of the denturethat interferes with the posterior border of the denture
Hyperplastic, redundant anterior ridge Hyperplastic, redundant anterior ridge
Palatal vault morphology Palatal vault morphology that does not resist that does not resist vertical or horizontal vertical or horizontal movement of movement of the denture basethe denture base
Prominent anterior nasal Prominent anterior nasal spinespine
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3. 3. Maxillomandibular Maxillomandibular
RelationshipRelationship
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Class IClass I
Maxillomandibular Maxillomandibular relationship allows relationship allows tooth position that tooth position that has normal has normal articulation with articulation with the teeth the teeth supported by the supported by the residual ridge.residual ridge.
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Class IIIClass IIIMaxillomandibular Maxillomandibular relationship requires relationship requires tooth position tooth position outside the normal outside the normal ridge relation in ridge relation in order to attain order to attain phonetics and phonetics and articulation;articulation;i.e., crossbite—i.e., crossbite—anterior or posterior, anterior or posterior, tooth position not tooth position not supported by the supported by the residual ridge.residual ridge.
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4. Muscle 4. Muscle AttachmentsAttachments
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Type AType AAdequate attached mucosal base without Adequate attached mucosal base without undue muscular impingement during undue muscular impingement during normal normal function in function in
all regions.all regions.
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Type DType D Adequate attached mucosal base only Adequate attached mucosal base only
in the posterior lingual in the posterior lingual region region
All other regions areAll other regions aredetacheddetached
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Diagnostic Classification Diagnostic Classification
of of Complete EdentulismComplete Edentulism
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Class IClass I
This classification level describes the This classification level describes the stage of edentulism that is most apt to be stage of edentulism that is most apt to be successfully treated by conventional successfully treated by conventional prosthodontic techniques with complete prosthodontic techniques with complete denture prosthesis.denture prosthesis.
All four of the diagnostic criteria are All four of the diagnostic criteria are favorable.favorable.
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Class IClass I
Residual bone height of Residual bone height of 21 mm or greater 21 mm or greater measured at the least measured at the least vertical height of the vertical height of the mandible mandible
Class I Class I maxillomandibular maxillomandibular relationshiprelationship
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Class IIClass II
This classification level distinguishes itself This classification level distinguishes itself with the noted continuation of the physical with the noted continuation of the physical degradation of the denture supporting degradation of the denture supporting structures and in addition is characterized structures and in addition is characterized with the early onset of systemic disease with the early onset of systemic disease interactions, localized soft tissue factors interactions, localized soft tissue factors and patient management/lifestyle and patient management/lifestyle considerations.considerations.
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Class IIClass II
Residual bone height Residual bone height of 16-20 mm of 16-20 mm measured at the measured at the least vertical height least vertical height of the mandibleof the mandible
Class I Class I maxillomandibular maxillomandibular relationshiprelationship
Residual ridge Residual ridge morphology that morphology that resists horizontal and resists horizontal and vertical movement of vertical movement of the denture base—the denture base—Type A, B--MaxillaType A, B--Maxilla
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Class IIIClass III
This classification level is This classification level is characterized by the need for characterized by the need for surgical revision of denture surgical revision of denture supporting structures to allow for supporting structures to allow for adequate prosthodontic function. adequate prosthodontic function.
Additional factors now play a Additional factors now play a significant role in treatment significant role in treatment outcomes.outcomes.
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Class IIIClass III Residual bone height of Residual bone height of
11-15 mm measured at 11-15 mm measured at the least vertical height the least vertical height of the mandibleof the mandible
Class I, II and III Class I, II and III maxillomandibular relationshipmaxillomandibular relationship
Residual ridge morphology Residual ridge morphology has minimum influence tohas minimum influence toresist horizontal or verticalresist horizontal or verticalmovement of the denture base—movement of the denture base—Type C—MaxillaType C—Maxilla
Location of muscle attachments with moderate Location of muscle attachments with moderate influence on denture base stability and retention—influence on denture base stability and retention—Type C--MandibleType C--Mandible
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Class IVClass IV This classification level depicts the most This classification level depicts the most
debilitated edentulous conditiondebilitated edentulous condition
Surgical reconstruction is almost always Surgical reconstruction is almost always indicated but can not always be accomplished indicated but can not always be accomplished due to the patient’s health, desires, past due to the patient’s health, desires, past dental history and financial considerations dental history and financial considerations
When surgical revision is not selected, When surgical revision is not selected, prosthodontic techniques of a specialized prosthodontic techniques of a specialized nature must be used in order to achieve an nature must be used in order to achieve an adequate treatment outcomeadequate treatment outcome
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Class IVClass IV Residual bone height of Residual bone height of
least vertical height least vertical height of the mandibleof the mandible
Class I, II and III Class I, II and III maxillomandibular relationshipsmaxillomandibular relationships
Residual ridge offers no Residual ridge offers no resistance to horizontal or resistance to horizontal or vertical movement –vertical movement –TypeType D—MaxillaD—Maxilla
Location of muscle attachments with significant Location of muscle attachments with significant influence on denture base stability and retention—influence on denture base stability and retention—Type D and E--MandibleType D and E--Mandible
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Completely DentateCompletely Dentate
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PartialPartial Edentulism Edentulism
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Partial EdentulismPartial Edentulism
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Partial EdentulismPartial Edentulism
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525525 Other diseases and Other diseases and conditions of the teeth and conditions of the teeth and
supporting structuressupporting structures
525.5525.5 Classification of partial Classification of partial edentulism based on edentulism based on
the severity the severity of the partially of the partially edentulous edentulous predicamentpredicament
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Partial EdentulismPartial Edentulism
Classification System for Partial Classification System for Partial Edentulism Edentulism
McGarry TJ, Nimmo A, Skiba JF, Ahlstrom McGarry TJ, Nimmo A, Skiba JF, Ahlstrom RH, Smith CR, Koumjian JH, Arbree NSRH, Smith CR, Koumjian JH, Arbree NS
J Prosthodont. 2002 Sep;11(3):181-93J Prosthodont. 2002 Sep;11(3):181-93
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Classification System for the Partially Edentulous PatientClass I
Class II
Class III
Class IV
Diagnostic Criteria1. Location and extent of the edentulous area(s)2. Condition of the abutment teeth3. Occlusal scheme4. Residual ridge
Ideal or minimally compromised
Moderately compromised
Substantially compromised
Severely compromised
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DIAGNOSTIC CRITERIADIAGNOSTIC CRITERIA
1.1. Location and extent of the Location and extent of the edentulous area(s)edentulous area(s)
2.2. Condition of the abutment teethCondition of the abutment teeth
3.3. Occlusal schemeOcclusal scheme
4.4. Residual ridgeResidual ridge
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Class I Class II Class III Class IVLocation & Extent of Edentulous Areas
Ideal or minimally compromised-single archModerately compromised-both archesSubstantially compromised- >3 teethSeverely compromised-guarded prognosisCongenital or acquired maxillofacial defect
Abutment Tooth ConditionIdeal or minimally compromisedModerately compromised-local adjunctive txSubstantially compromised-mod adjunctive txSeverely compromised-extensive adjunctive tx
Occlusal SchemeIdeal or minimally compromisedModerately compromised-local adjunctive txSubstantially compromised-occlusal schemeSeverely compromised-change in VDO
Residual RidgeClass I EdentulousClass II EdentulousClass III EdentulousClass IV Edentulous
Conditions Creating a Guarded PrognosisSevere oral manifestations of systemic diseaseMaxillomandibular dyskinesia and/or ataxiaRefractory patient
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Partial EdentulismPartial Edentulism
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Committed to developing a dental educational Committed to developing a dental educational curriculum that is diagnosis drivencurriculum that is diagnosis driven
The only dental school in the third largest city The only dental school in the third largest city in the US providing service to more than in the US providing service to more than 100,000 patient visits per year 100,000 patient visits per year
Need for clinical studies that have a common, Need for clinical studies that have a common, transparent and systematic diagnosis. transparent and systematic diagnosis. Achieved by employing the evidence-based Achieved by employing the evidence-based process to assemble, organize and synthesize process to assemble, organize and synthesize clinical research in a rigorous and transparent clinical research in a rigorous and transparent fashion. This body of evidence, coupled with fashion. This body of evidence, coupled with clinical expertise, will lead to the creation of clinical expertise, will lead to the creation of guidelines designed to enhance clinical guidelines designed to enhance clinical judgment and decision-makingjudgment and decision-making
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Concluding RemarksConcluding Remarks
The codes being proposed are part of normal The codes being proposed are part of normal diagnostic data collection that occurs for all diagnostic data collection that occurs for all patients, meeting with the existing standard patients, meeting with the existing standard of care in dentistry of care in dentistry
The proposed new codes are within the scope The proposed new codes are within the scope and conventions of the existing classificationand conventions of the existing classification
By adopting these codes into the public By adopting these codes into the public domain, dental educators, researchers and domain, dental educators, researchers and clinicians will be able to contribute clinicians will be able to contribute significantly to the body of evidencesignificantly to the body of evidence
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AcknowledgementsAcknowledgements
Dr. Stephen CampbellDr. Stephen Campbell UIC CODUIC COD Dr. Kent KnoernschildDr. Kent Knoernschild UIC CODUIC COD Dr. John ZarbDr. John Zarb UIC CODUIC COD Dr. Thomas McGarryDr. Thomas McGarry ACPACP Dr. Barry ShipmanDr. Barry Shipman ACPACP Dr. Rosemary WalkerDr. Rosemary Walker UIC SBHIUIC SBHI Ms. Teri JorwicMs. Teri Jorwic UIC SBHIUIC SBHI Dr. Bruce GrahamDr. Bruce Graham UIC CODUIC COD Ms. Lea AlexanderMs. Lea Alexander UIC CODUIC COD
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