perio endo inter-relationship
TRANSCRIPT
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THE PERIO ENDO
INTER-RELATIONSHIP
Dr. Almas Muhammad Arshad
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PERIODONTIUMPULP
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CONTENTS:
• Introduction
• Pathways of Communication
• Classification
• Symptoms
• Investigation
• Decision Tree
• Case Reports
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o Pulp and the periodontium have
embryonic, functional and anatomical
relationship.
o Caused by mixed anaerobic bacteria
(J Clin Periodontol 2002: 29: 663–671)
o Combined Endo-perio lesions are
estimated to cause 50% of tooth
mortality J Conserv Dent. 2008 Apr-Jun; 11(2): 54–62.
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PATHWAYS CONNECTING
ENDODONTIC AND PERIODONTAL
TISSUE
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ANATOMICAL RELATIONSHIP:
o Dentinal tubules
o Accessory & lateral canals
o Apical foramen
o Developmental grooves
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(J Conserv Dent, Apr-Jun 2008, Vol:11, Issue:2)
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PATHOLOGICAL RELATIONSHIP:
o Iatrogenic Perforations
o Internal Resorption
o External resorption
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DENTINAL TUBULES:o Exposed dentinal tubules will create a
communication between the pulp and
periodontium because of:
• Faulty or aggressive scaling
technique
• Following root planing
• Gap joint between enamel and
cementum
• Gum recessiono The number of dentinal tubules per mm2
decreases from the pulp to the periphery
(Garberoglio & Brännström1976).
o Endo-perio > Perio-endo
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J Clin Periodontol 2002: 29: 663–671
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PALATOGINGIVAL GROOVE:o In Maxillary central and lateral
incisors
o May contribute to • Periodontal (AND/OR)
• Pulpal pathology
o To detect the effect:• Vitality testing
• Probing
o Radiograph
o Treatment:• Burning out the groove
• Surgical management
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INFECTION FROM PDL TO PULP:
Pathogenic
Bacteria and
inflammatory
products of
periodontal
disease
Accessory canal /
Lateral canals /
apical foramen
Pulpal
infection/necrosis
RETROGRADE
PULPITIS
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INFECTION FROM PULP TO PDL:
• Pulpal disease
• Procedural
errors in RCT
• Perforations
• Vertical root
fractures
• Dentinal
tubules
• Peri-radicular
inflammation
Bone loss +
CAL +/- Pus
discharge
RETROGRADE
PERIODONTITIS
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CLASSIFICATION:
Primary Endodontic Disease
Primary Periodontal disease
Combined Disease
Primary Periodontal Secondary Endodontic
Primary Endodontic Secondary Periodontal
True Combined Lesion
Simon, Glick and Frank in 1972
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PRIMARY ENDODONTIC:
Periodontology 2000, Vol. 34, 2004
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PRIMARY ENDO SECONDARY
PERIODONTAL:
Periodontology 2000, Vol. 34, 2004
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PRIMARY PERIODONTAL:
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PRIMARY PERIODONTAL
SECONDARY ENDODONTIC:
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TRUE COMBINED
PERIODONTAL & ENDODONTIC:
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CLINICAL SYMPTOMS:Swelling
of gingiva
Pus discharge
Pocket formation
Fistula tract
Tender to percussion
Mobility
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LESION CHARACTERISTICS:
LESION PAIN SWELLING PROBING
Primary
Endodontic
Moderate to
severe
Possibly when
sinus tract
None unless
sinus tract
Primary
Periodontal
None to
moderate
Possibly Moderate to
severe
Combined
pulpal and
periodontal
Moderate to
severe
Likely Severe, connects
the periapex
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INVESTIGATIONS:
History taking
Examination
Periodontal examination
Radiographic evaluation
Pulp testing
Fistula tracking DIA
GN
OS
IS
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o Visual Examination• Soft Tissue
Inflammation
Ulceration
Sinus tracts
• Teeth
Caries
Defective restorations
Cracks
Fractures
Discolorations
o Palpation - Peri-radicular abnormality
o Percussion – Peri-radicular inflammation
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o Mobility• Loss of periodontal support
• Peri-radicular abscess
• Fractured roots
o Probing
• Deep solitary pocket – Endo
cause
• Broad and deep pockets -
Perio
o Fistula Tracking
• #25 GP/Probe - radiopaque
• Until Resistance is felt
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o Pulp Testing (EPT + Cold test):
LESION RESPONSE
Primary Periodontal +
Primary Periodontal Secondary Endodontic +/-
Primary Endodontic +/-
Primary Endodontic Secondary Periodontal -
Combined pulpal -
False Positive response may be interpreted in combined lesion in
multi rooted teeth as either intact vital pulp or partially necrotic
pulp.
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DECESION TREE:[History + C/E + Probing + Radiograph]
+ Vitality
+ ive
Perio pockets (+)
Pulpitis & PA (-)
Primary periodontal
Scaling + Root planning
Perio Pockets (+)
Pulpal & PA (False+)
Primary periodontal
Secondary endo
RCT + Scaling cleaning and shaping Follow up
Obturation
- ive
Pulpal & PA (+)
Perio pockets (-)
Sinus tract (+/-)
Primary Endodontic
RCT
Pulpal & PA(+)
Probing (+)
Primary endoSecondary periodontal
RCT + Periodontal
therapy immediately
Pulpal & PA (+)
Probing (++)
Combined perio endo
RCT + Periodontal
therapy
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PROGNOSIS:
o Depends on • Patients oral hygiene
• The amount of attachment loss
• Endodontic status
• Effectiveness of the periodontal treatment accomplished
o Primary endo -- Good to excellent prognosis
o Primary perio -- Depends on periodontal therapy
o Combined lesion -- Poor prognosisPeriodontology 2000, Vol. 34, 2004, 165–203
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FLOW OF WORK:
• RCTPrimary Endodontic
• Periodontal therapy Primary Periodontal
• RCT + Periodontal therapy immediately/laterPrimary Endodontic
Secondary Periodontal
• Scaling + Immediately followed by cleaning and shaping Follow up & observe pocketing Obturation
Primary Periodontal and Secondary Endodontic
• RCT + periodontal therapyTrue Combined lesion
Prognosticate before treatment
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CASE REPORT 1: J Clin Exp Dent. 2014;6(1):e91-5.
oA 42y old male pt presented with a complain of acute pain and
swelling in the left mandibular area.
o Medical history: Non contributory
o Periodontal Examination:
Deep pocket between #37 and #38
o Vitality: -ive (non vital)
o R/E:
Bone loss around distal root of #37
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o R/E:
Bone loss around distal root of #37
o Diagnosis ??
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o Diagnosis:
Primary periodontal with secondary endodontic
involvement
o Treatment:
1. RCT
2. Scaling and Root planing
3. KIV Extraction of #38
4. Follow Up..
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1 YEAR:
6 MONTH:
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CASE REPORT 2: J Clin Exp Dent. 2014;6(1):e91-5.
oA 45-years old women presented with a complain of
intermittent pain and periodic discharge of pus from tooth
#36 and wanted to inquire about options for preserving the
tooth.
o Medical status was noncontributory
o I/O:
•Gingival reddening and swelling
at buccal side of 36
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o Periodontal Examination:
• The probing depth in the furcal area
was 12mm
• Grade III furcal lesion
o Percussion: +ive
o Mobility: +ive
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o Radiographs :
•Bony defect in the furcal and
periapical area of tooth #36 had
unsuccessful RCT
o Diagnosis???
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o Diagnosis:
Primary endodontic disease with secondary
periodontal involvement
o Treatment:
•Endodontic retreatment was performed
•Evaluated 3 month later furcation lesion still remain
intact
•Periodontal regenerative surgery was planned for
treatment of furcation defect
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3 Month Recall:
2 Year Recall:
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CONCLUSION:
The proper diagnosis and complete
treatment of both aspects of perio-
endo lesions is essential for
successful long-term results.
A secondary disease develops due
to an untreated primary one.
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Refrences• http://www.ijdr.in/article.asp?issn=0970-
9290;year=2010;volume=21;issue=4;spage=579;epage=585;aulast=Shenoy
• http://www.ijstr.org/final-print/may2013/Endo-perio-Lesions.pdf
• https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2813095/#sec1-13title
• https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4190803/
• https://www.scienceopen.com/document/read?vid=02cf1c92-a231-41f8-b1c6-
c4302bbfd2ae
• http://www.ijstr.org/final-print/may2013/Endo-perio-Lesions.pdf
• https://www.hindawi.com/journals/ijd/2014/919173/
• http://semmelweis.hu/konzervalo-fogaszat/files/2014/11/Endodontic-and-
Periodontal-v9-angol.pdf
•http://suffolkrootcanal.co.uk/wp-content/uploads/2015/04/Diagnosis-
prognosis-and-decision-making-in-the-treatment-of-combined-periodontal-
endodontic-lesions-Rotstein-2004.pdf
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