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CONTENTS:

   INTRODUCTION
   CLINICAL FEATURES
   COMPLICATION
   TREATMENT
   CONCLUSION
   REFERENCES
INTRODUCTION:
The term pericoronitis refers to
inflammation of the gingiva in relation
to the crown of an incompletely eru...
It occurs most frequently in the
mandibular third molar area.
                        It may be
                          ...
CLINICAL FEATURES:
 The partially erupted or impacted
 mandibular third molar is the most
 common site of pericoronitis.
 ...
Even in patients with no clinical signs
or symptoms, the gingival flap is often
chronically inflamed & infected, with
vari...
Acute inflammatory involvement is a
constant possibility.
Acute pericoronitis is identified by
various degrees of involvem...
The flap is traumatizes by contact with
the opposing jaw, and the inflammatory
involvement is aggravated.
The clinical pic...
The patient is extremely
uncomfortable because of pain, a foul
taste, & an inability to close the jaw.
Swelling of the che...
COMPLICATION:

 The involvement may become
 localized in the form of periodontal
 abscess.
 It may spread posteriorly into...
Depending on severity & extent of the
infection, there is involvement of the
submaxillary, posterior cervical, deep
cervic...
TREATMENT:
The treatment of pericoronitis depends
on the severity of the inflammation,
the advisability of retaining invol...
The treatment of acute pericoronitis is
consist of
(i) Gently flushing the area with
    warm water to remove debris &
   ...
(ii) swabbing with antiseptic after
     elevating the flap gently from
     the tooth with a scalar.
Antibiotic can be prescribe in severe
cases.
After the acute symptoms have
subsided, a determination is made as
to whether...
Following point may be considered to
decide whether the tooth is to be retained
or not.
(1)stage of eruption of tooth.
   ...
(3)position of tooth.
     Very often the tooth may be buccally
placed with no attached gingiva on the
buccal aspect. It m...
Bone loss on the distal surface of the
second molar is a hazard after the
extraction of partially or completely
impacted t...
If it is decided to retain the tooth,
the pericoronal flap is removed using
periodontal knives.
It is necessary to removed the distal
to the tooth as well as the flap on the
occlusal surface.
Incising only the occlusal portion of
the flap leaves a deep distal pocket,
which invites recurrence of acute
pericoronal ...
The pack may be retained by bringing
it forward along the facial & lingual
surface into the interproximal space
between th...
CONCLUSION
It is the most common type of
pericoronal infection found mostly in
mandibular third molar.
Clinical features i...
REFERENCES:

 CLINICAL PERIODONTOLOGY
              CARRANZA NEWMAN
 CLINICAL PERIODONTOLOGY
              B.R.R.VARMA & R...
Pericoronitis
Pericoronitis
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Pericoronitis

  1. 1. CONTENTS: INTRODUCTION CLINICAL FEATURES COMPLICATION TREATMENT CONCLUSION REFERENCES
  2. 2. INTRODUCTION: The term pericoronitis refers to inflammation of the gingiva in relation to the crown of an incompletely erupted tooth.
  3. 3. It occurs most frequently in the mandibular third molar area. It may be ACUTE SUBACUTE or CHRONIC
  4. 4. CLINICAL FEATURES: The partially erupted or impacted mandibular third molar is the most common site of pericoronitis. The space between the crown of the tooth & overlying gingival flap is an ideal area for the accumulation of food debris & bacterial growth.
  5. 5. Even in patients with no clinical signs or symptoms, the gingival flap is often chronically inflamed & infected, with various degrees of ulceration along its inner surface.
  6. 6. Acute inflammatory involvement is a constant possibility. Acute pericoronitis is identified by various degrees of involvement of pericoronal flap & adjacent structures, as well as systemic complication. An influx of inflammatory fluid & cellular exudates results in increase in the bulk of the flap which interferes with complete closer of mouth.
  7. 7. The flap is traumatizes by contact with the opposing jaw, and the inflammatory involvement is aggravated. The clinical picture is that of markedly red, swollen, suppurating lesion that is tender, with radiating pains to ear, throat, & floor of mouth.
  8. 8. The patient is extremely uncomfortable because of pain, a foul taste, & an inability to close the jaw. Swelling of the cheek in the region of the angle of the jaw & lymphadenitis are common findings. The patient may also have toxic systemic complication such as fever, leukocytosis, & malaise.
  9. 9. COMPLICATION: The involvement may become localized in the form of periodontal abscess. It may spread posteriorly into the oropharyngeal area & medially to the base of the tongue, making it difficult for the patient to swallow.
  10. 10. Depending on severity & extent of the infection, there is involvement of the submaxillary, posterior cervical, deep cervical, & retropharyngeal lymph nodes. Peritonsillar abscess formation, cellulitis, & Ludwig’s angina are infrequent but nevertheless potential sequelae of acute pericoronitis.
  11. 11. TREATMENT: The treatment of pericoronitis depends on the severity of the inflammation, the advisability of retaining involved tooth. Persistent symptoms free pericoronal flaps should be removed as a preventive measures against subsequent acute involvement.
  12. 12. The treatment of acute pericoronitis is consist of (i) Gently flushing the area with warm water to remove debris & exudate.
  13. 13. (ii) swabbing with antiseptic after elevating the flap gently from the tooth with a scalar.
  14. 14. Antibiotic can be prescribe in severe cases. After the acute symptoms have subsided, a determination is made as to whether the tooth is to be retained or extracted. This decision is governed by the likelihood of further eruption into a good functional position.
  15. 15. Following point may be considered to decide whether the tooth is to be retained or not. (1)stage of eruption of tooth. If a possibility that the tooth will erupt further into a good functional position, it is advisable to retain the tooth. (2)impacted 3rd molar. If the tooth is impacted, it is better to extract the tooth as soon as the acute symptoms have subsided.
  16. 16. (3)position of tooth. Very often the tooth may be buccally placed with no attached gingiva on the buccal aspect. It may also be placed very much distally making it difficult to removed the gingival tissue adequately to create an environment which could be maintained plaque free.
  17. 17. Bone loss on the distal surface of the second molar is a hazard after the extraction of partially or completely impacted third molar, & the problem is significantly greater if the third molars are extracted after the roots are formed Or in patients older than the early twenties. To reduced the risk of bone loss around second molar, should be extracted as early as possible in their development.
  18. 18. If it is decided to retain the tooth, the pericoronal flap is removed using periodontal knives.
  19. 19. It is necessary to removed the distal to the tooth as well as the flap on the occlusal surface.
  20. 20. Incising only the occlusal portion of the flap leaves a deep distal pocket, which invites recurrence of acute pericoronal involvement. After the tissue is removed, a periodontal pack is applied.
  21. 21. The pack may be retained by bringing it forward along the facial & lingual surface into the interproximal space between the second & third molar. The pack is removed after one week.
  22. 22. CONCLUSION It is the most common type of pericoronal infection found mostly in mandibular third molar. Clinical features include red, swollen suppurating lesion along with the pain which may radiate to the surrounding tissues. Proper & immediate management is necessary to prevent its complication.
  23. 23. REFERENCES: CLINICAL PERIODONTOLOGY CARRANZA NEWMAN CLINICAL PERIODONTOLOGY B.R.R.VARMA & R.P.NAYAK INTERNET
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