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CLINICAL PERIODONTAL
CONSIDERATIONS OF
CERVICAL EROSIVE, ABRASIVE
AND ABFRACTION LESIONS
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WHAT DO WE CALL IT?
Non-Carious Cervical Lesion
Cervical Erosion
Cervical Abrasion
Abfraction
Dental Compression
Syndrome
Stress Corrosion Lesion
Biodental Engineering
Factorial Lesion
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EROSION
The chemical dissolution of teeth by acids of nonplaque origins
Journal of Esthetic and Restorative Dentistry, 2003
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ABRASION
The wear of teeth by physical
means, other than that by
other teeth (attrition).
Journal of Esthetic and Restorative Dentistry, 2003
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ABFRACTION Taken from Latin terms:
“ab” = “away”
“fractio” = “breaking”
The term abraction is credited to:
JO Grippo, Journal Esthetic Dentistry, 1991
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Abfraction Definition
“the pathologic loss of tooth substance caused by biomechanical loading forces that results in flexure and failure of enamel and dentin at a location away from loading.”
Grippo, Journal Esthetic Dentistry, 1991
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CHARACTERISTICS OF NON-
CARIOUS CERVICAL LESIONS
V-shaped
Edges are sharp, rounded or
saucer-like
Edges are located at gingival
margin, subgingival or
supragingival
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ETIOLOGY - WHAT CAUSES IT?
Toothbrush Abrasion
Toothpaste Abrasion
Dietary Agents, soda,
acid foods, etc.
Bulemia
Excessive Occlusal
Forces
Local Contributing
Factors
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We must consider a multifactorial etiology!
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TREATMENT OPTIONS
Surgical correction of mucogingival defect, with or without root coverage
Restoration of lost cervical tooth structure
Eliminate, minimize and control etiology and contributing factors
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Why cover the root surface
with graft and/or restoration?
Eliminate dentin hypersensitivity
Prevent plaque accumulation and food packing
Improve esthetic appearance
Prevent further tooth loss toward pulp
Strengthen tooth to reduce risk of fracture
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Surgical Correction of Mucogingival Defect
Free Gingival Graft for Root Coverage
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Surgical Correction of Mucogingival Defect
Connective Tissue Graft for Root Coverage
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Surgical Correction of Mucogingival Defect
Connective Tissue Graft for Root Coverage
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Can the cervical defect be totally corrected by a
soft tissue graft?
How much coverage can we expect?
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Now what?
Do we need to correct the residual defect?
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Management of the Mucogingival Defect,
the Cervical Defect and a Restoration
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Rebuilding CEJ with cervical restoration
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Modification of existing restoration –
creating new “CEJ”
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Removal of previously place restoration
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Graft placed at level of existing restoration –
congruent with anatomic CEJ
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Modifying the soft tissue/restorative interface
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Control/Elimination of
etiology and contributing
factors
Abrasive factors such as toothbrush and
toothpaste
Erosive factors such as diet, habits, etc.
Abfractive factors such as premature
occlusal contacts and parafunctional
habits
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CONCLUSION
The diagnosis or classification given to a
cervical lesion implies a specific etiology
and contributing factors which then lead to
a specific course of treatment.
In other words, “what you call it” matters.
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CONCLUSION
In the absence of a restoration, one must determine if root coverage (and complete coverage of the cervical lesion) can be obtained.
If the lesion cannot be covered, one must determine if a restoration is indicated.
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CONCLUSION If a restoration is present one must
determine where to place the gingival graft
and whether the restoration should be
modified or completely removed.
This depends on the level of the restorative
margin relative to the level of the lost
anatomic CEJ.
This also depends on local complications
including tooth sensitivity and food
impaction.
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CONCLUSION
Once the mucogingival defect and cervical tooth defect have been corrected, contributing factors must be controlled or eliminated when possible.
This includes toothbrush habits, diet, occlusal adjustment, etc.
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