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Chronic periapical abscess clinical features

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CHRONIC ALVEOLAR ABSCESS: DEFINITION: A chronic alveolar abscess is a long- standing, low grade infection of the periradicular alveolar bone generally symptomless and characterized by the presence of abscess draining through the sinus tract. CAUSES: Natural sequelae of death of pulp with extension of the infective process periapically Based on clinical and radiographic findings, necrotic pulp with chronic apical abscess was diagnosed. After a comprehensive discussion of treatment options, potential risks, complications, and possible outcomes of the treatment, the decision was made to conduct a root canal treatment and regenerative endodontic therapy using L-PRF Seow WK. Diagnosis and management of unusual dental abscesses in children. Aust Dent J. 2003 Sep. 48(3):156-68. . Stefanopoulos PK, Kolokotronis AE. The clinical significance of anaerobic bacteria in acute orofacial odontogenic infections. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2004 Oct. 98(4):398-408.

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  1. An apical abscess, also called dental or dentoalveolar abscess, usually develops from a pulpo-periapical inflammatory condition. In the acute stage, the onset of infection is so sudden that there is no radiographic evidence of an apical lesion. An apical abscess can develop also from a pre-existing granuloma or cyst
  2. Acute Apical Abscess is an inflammatory reaction to pulpal infection and necrosis characterized by rapid onset, spontaneous pain, extreme tenderness of the tooth to pressure, pus formation and swelling of associated tissues. There may be no radiographic signs of destruction and the patient often experiences malaise, fever and lymphadenopathy
  3. Clinical Features Patients with periapical abscesses typically have severe pain in the area of the nonvital tooth caused by pressure and the effects of inflammatory chemical mediators on nerve tissue
  4. Periapical abscess or a dento-alveloar abscess is a pyogenic infection of the periapical region. This suppurative process may develop from an acute apical pe..

Dynamics of Bone Loss in Cases with Acute or Chronic Apical Abscess Cortical fenestration is fundamental for the development of CAA. However, periradicular lesions without evident cortical fenestration can still cause AAA and fascial space involvement. Cortical fenestration is fundamental for the development of CAA An acute periodontal abscess is clinically identical to many acute periapical abscesses of pulpal origin. The patient may experience severe swelling (Fig. 4-5, A) along with the usual symptoms of acute infection such as pain, fever, and malaise. The location of swelling near the gingival margin is common to both types (see Fig. 4-5, B) Periapical abscess occurs as a result of bacterial infection of the tooth and the surrounding structures, most commonly on the grounds of dental caries and tooth decay. Focal inflammation and abscesses can produce intense pain, and the diagnosis can be achieved through physical examination Aim: The present study aimed at comparing clinical, radiographical, and histological findings in chronic periapical lesions such as cysts, granuloma, and abscess. Methodology: The present study was conducted on 148 teeth having chronic inflammatory periapical lesions with or without nonsurgical endodontic treatment. Endodontic surgery was performed by single trained endodontist A phoenix abscess is an acute exacerbation of a chronic periapical lesion. It is a dental abscess that can occur immediately following root canal treatment. Another cause is due to untreated necrotic pulp (chronic apical periodontitis). It is also the result of inadequate debridement during the endodontic procedure

Periapical Abscess - HackDentistr

The clinical diagnosis was acute apical abscess and a root canal treatment was performed. Follow-up appointments In addition, radiographic examination revealed absence of periapical radiolucency at 16 months after endodontic treatment. Keywords: Acute apical abscess, systemic antibiotic, endodontic treatment, clinical outcome 1. Introductio Periodontal Abscess. Localized, purulent infection within the tissues adjacent to the periodontal pocket that may lead to the destruction of periodontal ligament and alveolar bone. Presentation. More Likely to Occur. Periodontitis-related abscess: as an acute exacerbation of untreated chronic periodontiti According to the American Academy of Periodontology, 1 acute periodontal diseases are rapid-onset clinical conditions that involve the periodontium or associated structures and may be characterized by pain or discomfort, tissue destruction, and infection. Among these conditions, the following diseases have been listed: gingival abscess, periodontal abscess, necrotizing periodontal diseases.

-histopathologic features Defensive rxn secondary to presence of bacteria in root canal w/ spread of toxic products into apical zone -granulation tissue surrounded by fibrous connective tissue -lymphocytic infiltrate intermixed w/ neutrophils, plasma cells, histiocytes, mast cells, eosinophil f Clinical features Pain / sensitivity thermal changes.  Sharp pain that lasts for a short period of time and disappears after removal of thermal irritant Periapical granuloma (PG) is a localized mass of granulation tissue at the apex of an infected tooth. PG is a common sequel of chronic pulpitis and develops as a result of low grade infection seeping from the pulp into the periapex unusual dental abscesses are associated with developing or newly erupted teeth, they are usually encountered in children. As the prevention of dental abscesses plays a central role in the management of these unusual entities, it is useful for the clinician to be aware of their clinical implications and the methods of abscess prevention All Natural Dentitox Pro® Rebuilds Your Teeth & Gets Rid Of Tooth Decay. Order Now! Save Money On Dental Care & Gain Relief From Gum Disease & Tooth Decay With Dentitox Pro

A periapical abscess (i.e. around the apex of the tooth root) has then formed and pus is draining into the mouth via an intraoral sinus (gumboil) Acute pain, swelling, and mild tooth elevation. Exquisite sensitivity to percussion or chewing on the involved tooth. Swelling in surrounding gingiva, buccal, lingual or palatal regions 2° Acute Apical Periodontitis Chronic Apical Periodontitis 2° Acute Apical Abscess • Intensification of inflm + symptoms • Facial Cellulitis • Periapical Cyst (pocket / true), OR • Chronic Apical Abscess (with draining sinus) If NOT treated 1° Acute Apical Abscess Short-term Irritation (e.g. trauma, canal instrm) Clinical signs of. These features and the clinical presentation are suggestive of periapical abscess surrounding the root of the left second maxillary premolar tooth with extension of the inflammatory process to surrounding soft tissue structures. It is usually secondary to dental caries and may need drainage for treatment periapical tissues, where it may present as a granuloma or cyst (if chronic) or an abscess (if acute). Acute exacerbation of a chronic lesion may also be seen. Clinical features 1-most of periapical granulomas are asymptomatic. 2-pain may develop if acute exacerbation occurs

The clinical features. the chronic abscess often forms a sinus tract, allowing the pus to drain to the surface. is a common lesion and can be distinguished from the periapical abscess by proper radiographic examination. If the x-ray shows the absence of a periapical involvement, it usually is a periodontal abscess. In addition, the. Pathophysiology. Dental caries or trauma cause chronic inflammation which eventually forms a periapical inflammation; continued inflammation stimulates cells of the rests of Malassez, the epithelial cells undergo necrosis to form the cyst which may be sterile or become secondarily infected. While most are lined by epithelium derived from rests. Acute apical periodontitis Chronic apical periodontitis Combined periodontic-endodontic lesions Fistula Periapical abscess Phoenix abscess Vertical root fracture. In other projects Wikimedia Commons. Depending on the severity of the infection, the sufferer may feel only mildly ill, or may in extreme cases require hospital care Chronic Abscess. Estrela et al., (2008) classify chronic periapical abscesses as an area of circumscribed suppuration, asymptomatic, of slow evolution and, occasionally, detected by routine radiographic examination. According to Sousa (2003), microorganisms are one of the main etiological factors in the development and maintenance of pulp and.

Dental (periapical) abscesses are an acute infection of the periapical tissue around the root of the tooth. Clinical presentation Patients may present with pain, edema, and purulent discharge localized to the site of pathology with or without f.. Periodontal abscess from deep palatal pockets and periapical abscess around palatal roots of upper distally teeth are probably source of palatal abscesses. The palatal abscess most common observe in region around premolars and molars [5]. The palatal lesions carry difficulties in diagnosis for the physician

Periapical abscess (Pictures), Symptoms, Causes, & Treatmen

Periapical Abscess - Mouth and Dental Disorders - MSD

  1. Phoenix abscess is an acute exacerbation of chronic periapical lesion. Chronic abscess is an asymptomatic, well-circumscribed area of suppuration that shows little tendency to spread from local area Clinical Features
  2. SUMMARY Acute apical abscess is the most common form of dental abscess and is caused by infection of the root canal of the tooth. It is usually localized intraorally, but in some cases the apical abscess may spread and result in severe complications or even mortality. The reasons why dental root canal infections can become symptomatic and evolve to severe spreading and sometimes life.
  3. include periapical abscess, apical abscess, chronic periapical dental infection, dental pyogenic infection, periapical peri-odontitis and dentoalveolar abscess. The clinical presenta-tion of dentoalveolar infections depends on the virulence Clinical features Clinical signs and symptoms depend on the
  4. A clinical follow-up study was carried out between Jan 2007 to June 2010. Forty patients with chronic periapical lesions were treated with endodontic Surgery after informed consent of each patient had been obtained after explaining the clinical procedures and risks involved and clarifying all questions raised by the patients
  5. Chronic Apical Periodontitis (Periapical Granuloma) Most common sequelae of pulpitis or apical periodontitis. If acute (exudative) left untreated chronic (proliferative). Periapical granuloma is localized mass of chronic granulation tissue formed in response to infection. CLINICAL FEATURES

Dental Caries: A) Periapical Absces

A clinical classification of the status of the periradicular tissues.(a) Clinically normal periapical/periradicular tissues (b) Apical periodontitis -Acute:Primary Secondary (or acute exacerbation) -Chronic: GranulomaCondensing osteitis (c) Periapical cyst -True cyst -Pocket cyst (d) Periapical abscess -Acute:Primary Secondary -Chronic (e. apical abscess, acute alveolar abscess, dentoalveolar abscess, phoenix abscess, recrudescent abscess and secondary apical abscess. The second category is the chronic periradicular or chronic periapical abscess and both societies agree on the terminology: An inflammatory reaction to pulpal infection and necrosis characterised by grad Periapical Abscess: Acute or chronic? Symptomatic? Acute. Yes...pain, sensitivity, and possible systemic symptoms. Usually from the inflammation of a periodontal or apical abscess. Treatment of the underlying cause usually fixes the parulis. If not, surgical excision. Clinical features? Name the 3 categories Shah AC, Leong KK, Lee MK, Allareddy V. Outcomes of hospitalizations attributed to periapical abscess from 2000 to 2008: a longitudinal trend analysis. J Endod . 2013;39(9):1104-1110 Chronic apical. periodontitis ( parodontitis apicalis chronica ) Etiology, classification, clinical features, dg.,. PERIAPICAL DISEASE Classified as: Acute Apical Periodonitis Acute Apical Abscess Chronic Apical Periodontitis (Diffuse, Suppurative Apical Periodontitis with sinus tract, Apical cyst). Condensing Osteitis Definition The fundamental lesion of chronic periapical inflammation is.

Chronic apical abscess (CAA) is a lesion of apical periodontitis mostly characterized by areas of liquefactive necrosis with disintegrating polymorphonuclear neutrophils surrounded by macrophages. Its presence leads to local bacterial infection, systemic inflammatory response, pain, and swelling. The use of a novel approach for the study of CAA, such as metabolomics, seems to be important. Periapical Pathosis. Periapical lesions--types, incidence, and clinical features. Bhaskar SN. Oral surgery--oral pathology conference No. 17, Walter Reed Army Medical Center. Oral Surg Oral Med Oral Pathol 21 (5):657-71, 1966. Bhaskar studied the types, incidence, distribution, pathogenesis, natural history, and results of treatment of the.

Apical Periodontitis: Symptoms and Treatment Intelligent

Actinomycosis is a rare chronic disease caused by Actinomyces spp., anaerobic Gram-positive bacteria that normally colonize the human mouth and digestive and genital tracts. Physicians must be aware of typical clinical presentations (such as cervicofacial actinomycosis following dental focus of infection, pelvic actinomycosis in women with an intrauterine device, and pulmonary actinomycosis in. Furthermore, clinical evidence of a dental abscess including pain, swelling, and exudate may be present.Periapical Condensing OsteitisRadiographic Appearance/CharacteristicsPeriapical condensing osteitis is recognized by the forma-tion of dense bone around the apex of a tooth in response to low-grade pulpal necrosis. is radiopaque asymptomatic. Based on clinical and radiographic features, the present case was diagnosed as fusion of two normal crowns along their crown and root length with periapical abscess. Hence, non-surgical endodontic treatment for both crowns followed by esthetic correction of clinical crowns was planned Apical periodontitis represents a chronic inflammation and destruction of periradicular tissue caused by polymicrobial infection of endodontic origin. The aim of this systematic review was to make an update on findings related to Epstein-Barr virus (EBV) and human cytomegalovirus (HCMV) presence in periapical pathoses and to correlate these findings with clinical, histopathological and. Surgical management can be required for drainage of voluminous abscesses, marsupialization of chronic sinus tracts, excision of recalcitrant fibrotic lesion, and/or debridement of necrotic bone tissue in case of osteomyelitis. 1-3,24,49 Treatment of dental caries and/or apical abscesses is essential, often necessitating dental avulsions

Oral Pathology Periapical Disease Flashcards - Cram

Acute alveolar abscess is a [blank_start]supparative[blank_end] process following on from [blank_start]acute or chronic[blank_end] periapical periodontitis. It causes initial t[blank_start]enderness[blank_end] of the tooth which goes on to become extremely painful Abscess Definition An abscess is an enclosed collection of liquefied tissue, known as pus, somewhere in the body. It is the result of the body's defensive reaction to foreign material. Description There are two types of abscesses, septic and sterile. Most abscesses are septic, which means that they are the result of an infection. Septic abscesses can.

Pulpal and Periapical disease Flashcards Quizle

  1. Study Clinical classification and presentation of pulp and periapical disease flashcards from Rachel Sladden's university of sheffield class online, or in Brainscape's iPhone or Android app. Learn faster with spaced repetition
  2. There are limited data on the relationship of acute dental infections with hospitalisation and new-onset atrial fibrillation (AF). This study aimed to assess the relationship between acute periapical abscess and incident AF. This was a retrospective cohort study from a French national database of patients hospitalized in 2013 (3.4 million patients) with at least five years of follow up. In.
  3. Clinical Features of Periapical Disease The signs and symptoms of periapical disease are related to inflammation Being inflammatory in origin, periapical diseases manifest with the signs and symptoms of acute or chronic inflammation. However, there is no consistent relationship between patient´s symptoms and histologic findings
  4. T1 - Clinical, radiographic, and histological observation of a human immature permanent tooth with chronic apical abscess after revitalization treatment. AU - Shimizu, Emi. AU - Ricucci, Domenico. AU - Albert, Jeffrey. AU - Alobaid, Adel S. AU - Gibbs, Jennifer L. AU - Huang, George T.J. AU - Lin, Louis M. PY - 2013/8. Y1 - 2013/
  5. Human teeth with periapical pathosis after overinstrumentation and overfilling of the root canals: a scanning electron microscopic study. Gutiérrez JH(1), Brizuela C, Villota E. Author information: (1)Faculty of Dentistry, Department of Restorative Dentistry, University of Concepción, Chile

PAP or periapical pathology Area Endo tooth Perio-endo lesion Endo-perio lesion Radiology Station TM Interrelationship of possible results of periapical inflammation Caries Periapical abscess Osteomyelitis Acute Necrotic pulp Apical periodontitis Chronic Trauma Periapical granuloma Periapical cyst From White and Pharoah, 5th edition p.367. The lesion may be 1. a periapical granuloma. 2. a periapical cyst. 3. a chronic periapical abscess. 4. the mental foramen. The earliest radiographic sign of occlusal trauma is In radiography, minimum magnification and maximum definition are achieved by Question was removed from public access An acute periapical abscess must be associated with 1 1. Symptomatic (acute) apical periodontitis 2. Asymptomatic (chronic) apical periodontitis 3. Condensing osteitis 4. Apical abscess: Lesions associated with pain or swelling is referred to as acute and those with mild or no symptoms as chronic. Apical periodontitis: - It may be symptomatic (acute) or asymptomatic (chronic) Conclusion : calcium hydroxide iodoform paste used in root canal disinfection can decrease times of the block therapy on chronic periapical abscess with sinuses; Most infections spread through the apical foramen from the pulp to periapical tissue. Apical foramen is the opening of the radicular pulp into the periapical connective tissue

Management of apical lesions

PERIAPICAL DISEASES - SlideShar

A tooth abscess is a pocket of pus that's caused by a bacterial infection. The abscess can occur at different regions of the tooth for different reasons. A periapical (per-e-AP-ih-kul) abscess occurs at the tip of the root, whereas a periodontal (per-e-o-DON-tul) abscess occurs in the gums at the side of a tooth root An article in Decisions in Dentistry outlines the two types of apical abscesses: chronic and acute. The symptoms of an abscess depend on the type. A chronic abscess occurs gradually with little or no discomfort and occasional discharge of pus. On an X-ray, a chronic abscess will display bone destruction as dark regions in the bone, also known. Clinical features of Chronic Apical Periodontitis. Common features of Chronic Apical Periodontitis are : Chronic periodontitis is a low-grade infection. It may follow an acute infection that has been inadequately drained and incompletely resolved. The tooth is non-vital and may be slightly tender to percussion but otherwise symptoms may be minimal A chronic dental abscess, on the other hand, grows slowly and may cause no pain whatsoever. The patient is therefore unaware of the presence of the abscess, and only a dental x-ray will be able to identify it. This is usually a periapical abscess, spreading gradually through the tooth root and into the surrounding tissue

Apart from its chronic forms, apical periodontitis can manifest itself in different clinical ways, including the development of an acute abscess [39]. An abscess is defined as a localized collection of pus inside the cavity formed by tissue liquefaction. The acute apical abscess is th These features and the clinical presentation are suggestive of periapical abscess surrounding the root of the left second maxillary premolar tooth with extension of the inflammatory process to surrounding soft tissue structures. It is usually secondary to dental caries and may need drainage for treatment A chronic periapical abscess is a. The most common type of dental abscess is a periapical abscess, and the second most common is a periodontal abscess. Unsourced or poorly sourced material may be challenged and removed. Retrieved from https: It is important to get anything that presents like this checked by a dental professional as it may become chronic later

An acute abscess may be painless but still have a swelling present on the gum. It is important to get anything that presents like this checked by a dental professional as it may become chronic later. A periapical abscess i. absceso periapical - English Translation - Word Magic Spanish-English Dictionar Clinical findings: for more than 4 weeks exhibiting chronic episodes of pus, abscess, fistula formation, and/or sequestration. Unlike PCO, symptoms usually are resolved earlier than 2 years. Pain and swelling were the most common complaints, followed by paresthesia and tooth mobility Since dental (pulpal) disease can cause periodontal lesions (and vice versa) (Grant et al. 1988), the two types of pathological conditions are often closely related. In early populations, the main causes of tooth loss were periodontal disease (lateral periodontitis) and pulpoalveolar disease (periapical periodontitis), both of which are. A chronic apical abscess usually presents with gradual onset, no to mild symptoms and the presence of a sinus tract or parulis (Figure 2). The majority of chronic apical abscesses of endodontic origin do not require systemic antibiotic therapy for satisfactory resolution and healing. An acute apical abscess usually presents with rapi Periapical abscess. Periapical abscess or periapical tooth abscess, is a collection of pus at the tip of the root of a tooth, usually caused by bacterial infection that has spread from a tooth to the surrounding tissues. A periapical tooth abscess usually occurs as a result of an untreated dental cavity, an injury or prior dental work

Endodontic Management of a Chronic Periapical Abscess in a

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. Periapical abscess can be differentiated by the following features: Located over the root apex Non-vital tooth, heavily restored or large filling Large caries with pulpal involvement. History of sensitivity to hot and cold food No signs / symptoms of periodontal diseases Successful treatment of a dental abscess centers on the reduction and elimination of the offending organisms. A failed root canal treatment may also create a similar abscess. Therapeutics and Clinical Risk Management. Chronic drainage will allow an epithelial lining to form in this communication to form a pus draining canal fistula

Is a periapical abscess acute or chronic? Definition. can occur in an acute episode or chronic: -no immediate features as exudate progresses through marrow spaces Is there any pain or clinical significance? Definition. no pain or clinical significance Chronic Alveolar Abscess: It is defined as a long standing, low grade infection of the periradicular tissues. It results from direct extension of acute pulpitis or acute non suppurative periodontitis or acute exacerbation of periapical granuloma, cyst or Chronic abscess

Video: Dental Abscess Clinical Presentation: History, Physical

Difference between tooth abscess, cyst and granuloma

A clinical follow-up study was carried out between January 2012 to June 2014; 40 patients with chronic periapical lesions were treated with endodontic surgery after informed consent of each patient had been obtained after explaining the clinical procedures and risks involved and clarifying all questions raised by the patients Clinical features. Clinical presentation of secondary chronic osteomyelitis of jaws may be variable, based on intensity of disease, the host, the organisms and length of time the disease has been in place. Clinically and radiographically, ranges from aggressive osteolytic putrefactive phase to a 'dry' osteosclerotic phase periapical tissue diseases. Chronic apical abscess is a pulp-borne inflammatory lesion characterized by the presence of long-lasting lesions that result in resistance to the mucosa or skin surface, causing an abscess. It can remain in the apical area for a long time without any clinical symptoms. However, in the presence of a fistula

Periapical periodontitis and periapical abscess. Features: Pain is localized; pain can be aggavated by percussion; site and source of pain are the same. May be present with oral or facial swelling. Verified by dental exam and dental x-ray. Pericoronitis and pericoronal abscess unilocular periapical radiolucency with smooth, sclerotic borders, 1.5 cm in widest dimension, and involving the periapices of mesial roots (Fig.1) of 46. It was provisionally diagnosed as chronic periapical lesion. Emergency treatment included drainage of the abscess with prescription of antibiotic regime

Background . The study aim is to avoid tooth extraction by nonsurgical treatment of periapical lesion. It assesses healing progress in response to calcium hydroxide-iodoform-silicon oil paste (CHISP). Numeric Pain Rating Scale was used to validate the approach. Furthermore, CHISP was used to treat cystic lesions secondary to posttraumatic avulsion of permanent teeth.<i> Materials and Methods</i> A tooth that has an abscess at its root is generally sensitive to touch or pressure. Recommend an X-ray. An X-ray of the aching tooth can help identify an abscess. Your dentist may also use X-rays to determine whether the infection has spread, causing abscesses in other areas. Recommend a CT scan Clinical features Endodontic and periodontal abscesses may resemble each other clinically, differing only in their point of origin and specific path of infection. Both periapical and periodontal abscesses may occur together on the one tooth and treatment of these lesions requires combined endodontic and periodontic therapy

  1. according to accepted clinical principles and under aseptic conditions, the success rate is generally high. The host response is further characterized by bone resorption and an extr - aradicular infection resulting in radiolucency. An acute apical periodontitis or periapical abscess is associated with clinical signs of inflammation and pain
  2. A chronic apical abscess is a long-standing periapical inflammation characterized by intermittent discharge of pus through an intraoral sinus tract, with radiolucent signs of periapical osseous destruction [].Several studies reported that the prevalence of mature teeth with chronic apical abscesses ranges between 9.7 % and 18.1 % [2, 3].In general, the presence of direct communication between.
  3. ation, microdontia, taurodontism, dentinogenesis imperfecta, supernumerary tooth and hyperplasias, resulting frequently in early pulp necrosis

The infection typically has short duration, although abscesses form throughout the body. Chronic suppurative infection: Chronic melioidosis is an infection involving several organs, typically including the joints, viscera, lymph nodes, skin, brain, liver, lung, bones, and spleen. Chronic apical lung disease often resembles tuberculosis (TB) Periapical Lucency Related to Apical Periodontitis. Periapical granuloma , cyst , and abscess represent a spectrum of the same pathologic process and are difficult to distinguish from one another radiographically. The shared radiographic features include a lucent halo surrounding the tooth root, often with caries of the affected tooth If there is a periapical dental abscess, it may require incision and drainage. Incision and drainage can be performed in the emergency department or the clinic but must be followed up by a dentist. A root canal is a procedure performed by dentists where the crown of the tooth is removed, revealing the infected tooth roots

Periapical tissue infections. By Dr. George Ghidrai. Pulp infections that are not properly treated will spread in the periapical tissue, causing an acute or chronic infection.. Apical periodontitis (also termed periapical periodontitis) is an acute or chronic inflammatory lesion around the apex of a tooth root, which is caused by bacterial invasion of the pulp of the tooth Periapical actinomycosis is considered to be rare (22). The case reported here is a rare clinical presentation of actinomycosis in-fection, which otherwise is mistaken for a periapical abscess. CONCLUSION Data regarding the frequency of occurrence of periapical actino - mycosis in periapical lesions is limited because most periapical The mean number of species is comparatively higher in abscesses than in canals of teeth with chronic apical periodontitis, with molecular studies revealing an average of 12-18 taxa/case in abscesses as compared to 7-12 taxa present in chronic cases (19, 26) Most anal abscesses or fistulas are diagnosed and managed based on clinical findings. Occasionally, imaging studies such as ultrasound, CT scan or MRI can help in the diagnosis and management of deeper abscesses and may be used to visualize the fistula tunnel. TREATMENT. The treatment of an abscess is surgical drainage under most circumstances Classification, diagnosis and clinical manifestations of apical periodontitis Classification, diagnosis and clinical manifestations of apical periodontitis Abbott, Paul V. 2004-07-01 00:00:00 Introduction The term 'apical periodontitis' is generally used to describe, and group together, the various periapical conditions that originate from pulp disease but there are a number of different. cysts, granulomas, and chronic abscesses. Many cases showed features of all three, and others suggested transitions from one to another. The final microscopic interpretation of the 110 specimens was recorded as follows : Mature radicular cyst-10 Early radicular cyst-21 Granuloma-68 Chronic periapical abscess-