mucocele
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Oral mucocele is a clinical term that refers to two related phenomena 1.Mucus extravasation phenomenon 2.mucus retention cyst
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Mucocele and Renula
Mucocele and ranula are lesions caused by the extravasation of mucus from salivary glands into surrounding tissues. Mucoceles are commonly caused by trauma that severs or obstructs salivary ducts, allowing mucus to pool in surrounding tissues. Ranulas specifically occur on the floor of the mouth associated with sublingual or submandibular gland ducts. Histologically, they consist of mucus-filled cavities surrounded by granulation tissue and inflammatory cells. Treatment involves complete surgical excision to prevent recurrence.
ANUG
This document discusses Necrotizing Ulcerative Gingivitis (NUG), also known as trench mouth. It defines NUG as a microbial disease of the gingiva caused by an impaired host response. Key clinical features include necrosis of gingival tissue and pain. Diagnosis is based on these clinical findings and microscopic examination. Management involves reducing the microbial load, removing necrotic tissue, treating any systemic conditions, and supportive periodontal therapy. Prognosis is generally good with treatment but recurrence is possible without ongoing maintenance of oral hygiene.
Odontogenic cysts
A cyst is an epithelium-lined sac containing fluid or semisolid material. In the formation of a cyst, the epithelial cells first proliferate and later undergo degeneration and liquefaction. The liquefied material exerts equal pressure on the walls of the cyst from within. Cysts grow by expansion and thus displace the adjacent teeth by pressure. May can produce expansion of the cortical bone. On a radiograph, the radiolucency of a cyst is usually bordered by a radiopaque periphery of dense sclerotic bone. The radiolucency may be unilocular or multilocular. Odontogenic cysts are those which arise from the epithelium associated with the development of teeth. The source of epithelium is from the enamel organ, the reduced enamel epithelium, the cell rests of Malassez or the remnants of the dental lamina.
Pulpitis
This document discusses different types of pulpitis and periapical inflammation. It defines pulpitis as inflammation of the dental pulp that can be acute or chronic. Acute pulpitis is further divided into reversible and irreversible types based on whether the inflammation is localized or involves the entire pulp. Chronic pulpitis can be closed or open (hyperplastic). Periapical inflammation ranges from granulomas and cysts to abscesses. Diagnosis involves x-rays and pulp testing to evaluate the pulp chamber and periapical region. Treatment depends on the specific condition but may include removal of irritants, root canals, drainage or extraction.
Dental Calculus
Calculus forms in layers on teeth through the mineralization of dental plaque. It consists of inorganic minerals like hydroxyapatite and organic components from bacteria and saliva. Factors like diet, age, habits, and saliva composition can affect the rate of calculus formation. Calculus is classified as supragingival or subgingival based on its location relative to the gingiva. Both types consist of calcium phosphate crystals embedded in an organic matrix but subgingival calculus has a higher mineral content. Calculus formation occurs through the precipitation and accumulation of minerals within the matrix over time.
Cysts of the Oral Cavity
CYST
-Odontogenic
(a) Periodontal/Radicular Cyst
(b) Dentigerous Cyst
(c) Lateral Periodontal Cyst
(d) Odontogenic Keratocyst
(e) Calcifying Odontogenic Cyst
-Non-Odontogenic
(a) Globulomaxillary Cyst
(b) Nasolabial Cyst
(c) Nasopalatine Cyst
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Oral Submucous Fibrosis
This document provides information on oral submucous fibrosis (OSMF), including its definition, history, pathogenesis, clinical features, and staging classifications. OSMF is a chronic disease affecting the oral cavity and sometimes pharynx, characterized by juxtaepithelial inflammatory reaction and fibrosis of the lamina propria. Chewing betel quid and areca nut releases alkaloids and tannins that cause irritation and inflammation, activating fibroblasts and increasing production and cross-linking of collagen over time, resulting in stiffness and inability to open the mouth. OSMF is considered a precancerous condition due to its association with oral cancer. Staging systems describe progression from initial symptoms to trismus and possible malignancy
clinical features of gingivitis
This document discusses the clinical features of gingivitis. It begins by defining gingivitis as inflammation of the gingiva and describes how plaque bacteria can damage gingival tissues. It then covers the different types of gingivitis based on duration and distribution. Key signs of gingivitis that are discussed include gingival bleeding, color changes, changes in consistency, size, surface texture, position and contour. Specific conditions like gingival recession are also explained in terms of definition, classification, etiology and clinical significance.
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Mucocele and Renula
Mucocele and ranula are lesions caused by the extravasation of mucus from salivary glands into surrounding tissues. Mucoceles are commonly caused by trauma that severs or obstructs salivary ducts, allowing mucus to pool in surrounding tissues. Ranulas specifically occur on the floor of the mouth associated with sublingual or submandibular gland ducts. Histologically, they consist of mucus-filled cavities surrounded by granulation tissue and inflammatory cells. Treatment involves complete surgical excision to prevent recurrence.
ANUG
This document discusses Necrotizing Ulcerative Gingivitis (NUG), also known as trench mouth. It defines NUG as a microbial disease of the gingiva caused by an impaired host response. Key clinical features include necrosis of gingival tissue and pain. Diagnosis is based on these clinical findings and microscopic examination. Management involves reducing the microbial load, removing necrotic tissue, treating any systemic conditions, and supportive periodontal therapy. Prognosis is generally good with treatment but recurrence is possible without ongoing maintenance of oral hygiene.
Odontogenic cysts
A cyst is an epithelium-lined sac containing fluid or semisolid material. In the formation of a cyst, the epithelial cells first proliferate and later undergo degeneration and liquefaction. The liquefied material exerts equal pressure on the walls of the cyst from within. Cysts grow by expansion and thus displace the adjacent teeth by pressure. May can produce expansion of the cortical bone. On a radiograph, the radiolucency of a cyst is usually bordered by a radiopaque periphery of dense sclerotic bone. The radiolucency may be unilocular or multilocular. Odontogenic cysts are those which arise from the epithelium associated with the development of teeth. The source of epithelium is from the enamel organ, the reduced enamel epithelium, the cell rests of Malassez or the remnants of the dental lamina.
Pulpitis
This document discusses different types of pulpitis and periapical inflammation. It defines pulpitis as inflammation of the dental pulp that can be acute or chronic. Acute pulpitis is further divided into reversible and irreversible types based on whether the inflammation is localized or involves the entire pulp. Chronic pulpitis can be closed or open (hyperplastic). Periapical inflammation ranges from granulomas and cysts to abscesses. Diagnosis involves x-rays and pulp testing to evaluate the pulp chamber and periapical region. Treatment depends on the specific condition but may include removal of irritants, root canals, drainage or extraction.
Dental Calculus
Calculus forms in layers on teeth through the mineralization of dental plaque. It consists of inorganic minerals like hydroxyapatite and organic components from bacteria and saliva. Factors like diet, age, habits, and saliva composition can affect the rate of calculus formation. Calculus is classified as supragingival or subgingival based on its location relative to the gingiva. Both types consist of calcium phosphate crystals embedded in an organic matrix but subgingival calculus has a higher mineral content. Calculus formation occurs through the precipitation and accumulation of minerals within the matrix over time.
Cysts of the Oral Cavity
CYST
-Odontogenic
(a) Periodontal/Radicular Cyst
(b) Dentigerous Cyst
(c) Lateral Periodontal Cyst
(d) Odontogenic Keratocyst
(e) Calcifying Odontogenic Cyst
-Non-Odontogenic
(a) Globulomaxillary Cyst
(b) Nasolabial Cyst
(c) Nasopalatine Cyst
ENUCLEATION
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Oral Submucous Fibrosis
This document provides information on oral submucous fibrosis (OSMF), including its definition, history, pathogenesis, clinical features, and staging classifications. OSMF is a chronic disease affecting the oral cavity and sometimes pharynx, characterized by juxtaepithelial inflammatory reaction and fibrosis of the lamina propria. Chewing betel quid and areca nut releases alkaloids and tannins that cause irritation and inflammation, activating fibroblasts and increasing production and cross-linking of collagen over time, resulting in stiffness and inability to open the mouth. OSMF is considered a precancerous condition due to its association with oral cancer. Staging systems describe progression from initial symptoms to trismus and possible malignancy
clinical features of gingivitis
This document discusses the clinical features of gingivitis. It begins by defining gingivitis as inflammation of the gingiva and describes how plaque bacteria can damage gingival tissues. It then covers the different types of gingivitis based on duration and distribution. Key signs of gingivitis that are discussed include gingival bleeding, color changes, changes in consistency, size, surface texture, position and contour. Specific conditions like gingival recession are also explained in terms of definition, classification, etiology and clinical significance.
Odontogeniccysts OKC
This document discusses odontogenic keratocysts (OKCs), a type of jaw cyst. It covers the classification, causes, histopathology, clinical features, radiographic features, differential diagnosis, treatment principles, and surgical treatment options for OKCs. OKCs most commonly occur in the mandibular molar and ramus areas and are often radiolucent and multilocular in appearance on radiographs. Treatment options include wide surgical excision or marsupialization to prevent recurrence of these cysts which have a high rate of recurrence compared to other jaw cysts.
PULP AND PERIAPICAL LESIONS OF THE TOOTH ppt
This document provides an overview of pulp and periapical pathologies. It begins by defining the dental pulp and pulpitis. It then covers causes of pulp disease including physical, chemical, and bacterial factors. It classifies pulp disease and discusses factors affecting the pulp response. It details the pathways of bacterial invasion of the pulp and describes different types of reversible and irreversible pulpitis. It also discusses chronic hyperplastic pulpitis, gangrenous necrosis of the pulp, and diseases of the periapical tissues like acute and chronic apical periodontitis and periapical abscess.
Dentigerous cyst
This document discusses dentigerous cysts. It defines a dentigerous cyst as a cyst that forms around the crown of an unerupted tooth due to fluid accumulation between the reduced enamel epithelium and enamel surface. Dentigerous cysts most commonly occur in males in the first three decades of life in the mandibular third molar and maxillary canine regions. Clinical features include swelling and expansion of bone that may cause facial asymmetry. Treatment options include enucleation, marsupialization, or a combination of the two to remove the cyst lining while preserving adjacent structures.
Oral lesions associated with the use of tobacco
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Pericoronitis
Pericoronitis refers to inflammation around the crown of an unerupted tooth. It most commonly occurs with the mandibular third molar and can be acute, subacute, or chronic. Acute pericoronitis presents as a red, swollen, painful lesion that may cause fever and lymphadenitis. Treatment involves antibiotics and flushing the area for mild cases or flap removal for persistent symptoms to prevent recurrence. The decision to retain or extract the tooth depends on its stage of eruption, position, and likelihood of further eruption without complications.
Odontogenic Keratocyst (OKC)
Odontogenic keratocyst (OKC) is the cyst arising from the cell rests of dental lamina. It can occur anywhere in the jaw, but commonly seen in the posterior part of the mandible. Radiographically, most OKCs are unilocular when presented at the periapex and can be mistaken for radicular or lateral periodontal cyst.
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Red and White Lesions
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Cysts in orofacial region
Cysts in orofacial regions were discussed. Key points include:
1. Cysts are pathological cavities lined by epithelium and filled with fluid/semi-solid material. Common types are odontogenic cysts like dentigerous and keratocysts.
2. Dentigerous cysts form between reduced enamel epithelium and tooth crown, associated with unerupted teeth. Keratocysts have high recurrence rates due to thin fragile lining.
3. Treatment options are marsupialization to shrink large cysts, and enucleation to remove the cyst lining along with the associated tooth/teeth.
Management of oral cyst
This document discusses cysts of the oral and maxillofacial region. It defines true cysts as pathological cavities lined by epithelium and containing fluid, and pseudo cysts as cavities not lined by epithelium that may contain fluid. Cysts are classified based on their origin (odontogenic vs non-odontogenic) and location. Diagnosis involves history, clinical examination, radiographic evaluation and sometimes aspiration biopsy or surgical biopsy. Treatment options include enucleation, marsupialization, or a combination depending on the cyst size and location.
Osteomyelitis of jaw
This document discusses osteomyelitis, including its pathogenesis and management. It defines osteomyelitis as an infection of the bone marrow and describes how local and systemic predisposing factors can lead to decreased bone vitality and impaired host defense. The main types of osteomyelitis covered are suppurative, focal sclerosing, diffuse sclerosing, and proliferative perositis. For each type, the document discusses pathogenesis, clinical features, histology, radiology, and management. Key points include how acute suppurative osteomyelitis can progress to chronic form if inadequately treated, and how eliminating infection sources is important but bone changes may persist radiographically for some types.
Ameloblastoma
1) Ameloblastoma is a benign, locally invasive odontogenic tumor of enamel organ-type tissue that is the second most common odontogenic tumor.
2) It typically presents as a painless swelling in the mandible and is classified based on histological and clinical features into subtypes including follicular, plexiform, unicystic, and peripheral ameloblastoma.
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Spread of oral infections
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This document discusses oroantral communications and fistulas. It defines them as abnormal connections between the oral and maxillary sinus cavities. Causes include tooth extraction, tumors, cysts, and trauma. Signs and symptoms may include unpleasant taste/odor, fluid/food reflux into the nose, and air leakage. Examination involves inspection, suctioning the socket, and radiographs. Management includes immediate closure attempts and antibiotics to prevent sinusitis. Surgical techniques like buccal and palatal flaps are used for larger defects or fistulas based on factors like location, size, and presence of infection.
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learn about salivary glands lesions in oral cavity. summary of each lesion in flash cards. mucocele can have to represenation depending on the situation. can be extravasation or retention
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This presentation will will give you the idea of a dermatological disoders with clinicopathological features.
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This document provides an overview of pulp and periapical pathologies. It begins by defining the dental pulp and pulpitis. It then covers causes of pulp disease including physical, chemical, and bacterial factors. It classifies pulp disease and discusses factors affecting the pulp response. It details the pathways of bacterial invasion of the pulp and describes different types of reversible and irreversible pulpitis. It also discusses chronic hyperplastic pulpitis, gangrenous necrosis of the pulp, and diseases of the periapical tissues like acute and chronic apical periodontitis and periapical abscess.
Dentigerous cyst
This document discusses dentigerous cysts. It defines a dentigerous cyst as a cyst that forms around the crown of an unerupted tooth due to fluid accumulation between the reduced enamel epithelium and enamel surface. Dentigerous cysts most commonly occur in males in the first three decades of life in the mandibular third molar and maxillary canine regions. Clinical features include swelling and expansion of bone that may cause facial asymmetry. Treatment options include enucleation, marsupialization, or a combination of the two to remove the cyst lining while preserving adjacent structures.
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Pericoronitis refers to inflammation around the crown of an unerupted tooth. It most commonly occurs with the mandibular third molar and can be acute, subacute, or chronic. Acute pericoronitis presents as a red, swollen, painful lesion that may cause fever and lymphadenitis. Treatment involves antibiotics and flushing the area for mild cases or flap removal for persistent symptoms to prevent recurrence. The decision to retain or extract the tooth depends on its stage of eruption, position, and likelihood of further eruption without complications.
Odontogenic Keratocyst (OKC)
Odontogenic keratocyst (OKC) is the cyst arising from the cell rests of dental lamina. It can occur anywhere in the jaw, but commonly seen in the posterior part of the mandible. Radiographically, most OKCs are unilocular when presented at the periapex and can be mistaken for radicular or lateral periodontal cyst.
Primary herpetic gingivostomatitis
This document describes primary herpes simplex infection, commonly known as cold sores. It is usually caused by HSV-1 and presents with fever, headache, malaise and painful sores in the mouth. Lesions start as vesicles that rupture, leaving shallow ulcers that heal within 10-14 days. Diagnosis is made through clinical examination, with viral culture and biopsy used for confirmation. Treatment focuses on pain relief and short term use of antivirals or steroids to reduce symptoms.
Mandibular Anesthesia : Inferior alveolar nerve block
This document provides information on the inferior alveolar nerve block (IANB) dental anesthesia technique. It summarizes that the IANB anesthetizes the inferior alveolar nerve and its branches, anesthetizing the mandibular teeth and surrounding soft tissues. The technique involves locating the coronoid notch and pterygomandibular raphe landmarks and inserting the needle at the intersection of lines based on these landmarks, advancing the needle until bone contact is made at a depth of 20-25mm. Proper administration results in numbness of the lower lip and tongue, indicating successful anesthesia of the mental and lingual nerves. Precautions include avoiding deposition without bone contact to prevent facial nerve injury.
Red and White Lesions
This document discusses various hereditary and reactive white lesions of the oral cavity. It describes conditions like leukoedema, white sponge nevus, and hereditary benign intraepithelial dyskeratosis. It also covers reactive lesions including linea alba, frictional keratosis, and actinic keratosis. Infectious lesions covered include oral hairy leukoplakia and different forms of oral candidiasis. Treatment typically involves removing any irritants for reactive lesions or using antifungal medications for infections. Biopsies are recommended for lesions that do not resolve after treatment.
Cysts in orofacial region
Cysts in orofacial regions were discussed. Key points include:
1. Cysts are pathological cavities lined by epithelium and filled with fluid/semi-solid material. Common types are odontogenic cysts like dentigerous and keratocysts.
2. Dentigerous cysts form between reduced enamel epithelium and tooth crown, associated with unerupted teeth. Keratocysts have high recurrence rates due to thin fragile lining.
3. Treatment options are marsupialization to shrink large cysts, and enucleation to remove the cyst lining along with the associated tooth/teeth.
Management of oral cyst
This document discusses cysts of the oral and maxillofacial region. It defines true cysts as pathological cavities lined by epithelium and containing fluid, and pseudo cysts as cavities not lined by epithelium that may contain fluid. Cysts are classified based on their origin (odontogenic vs non-odontogenic) and location. Diagnosis involves history, clinical examination, radiographic evaluation and sometimes aspiration biopsy or surgical biopsy. Treatment options include enucleation, marsupialization, or a combination depending on the cyst size and location.
Osteomyelitis of jaw
This document discusses osteomyelitis, including its pathogenesis and management. It defines osteomyelitis as an infection of the bone marrow and describes how local and systemic predisposing factors can lead to decreased bone vitality and impaired host defense. The main types of osteomyelitis covered are suppurative, focal sclerosing, diffuse sclerosing, and proliferative perositis. For each type, the document discusses pathogenesis, clinical features, histology, radiology, and management. Key points include how acute suppurative osteomyelitis can progress to chronic form if inadequately treated, and how eliminating infection sources is important but bone changes may persist radiographically for some types.
Ameloblastoma
1) Ameloblastoma is a benign, locally invasive odontogenic tumor of enamel organ-type tissue that is the second most common odontogenic tumor.
2) It typically presents as a painless swelling in the mandible and is classified based on histological and clinical features into subtypes including follicular, plexiform, unicystic, and peripheral ameloblastoma.
3) Treatment involves surgical resection such as segmental resection for large tumors due to the high recurrence risk with more conservative treatments like curettage or enucleation.
Odontoma (Doctor Faris Alabeedi MSc, MMedSc, PgDip, BDS.)
This document discusses odontomas, which are benign odontogenic tumors composed of dental tissue like enamel, dentin, and pulp. There are two main types: compound odontomas, which appear like small tooth structures, and complex odontomas, which have a disorganized appearance. Odontomas are usually asymptomatic and discovered incidentally on x-rays during dental exams. On x-rays, they appear as radiopaque masses surrounded by a radiolucent rim. Treatment involves simple surgical removal, with an excellent prognosis and no recurrence.
red and white lesions of oral cavity
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Pre-prosthetic surgery refers to the surgical procedures that can modify the oral anatomy to facilitate the retention of conventional dentures.
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Maxillary sinus diseases are presented by Dr. Vishal Modha. The maxillary sinus is the largest paranasal sinus located within the maxilla bone. It develops embryologically from the lateral nasal wall and grows postnatally. The maxillary sinus anatomy includes thin bony walls that are vulnerable to trauma and contain important structures. Mucociliary drainage flows from the maxillary sinus ostium to the nasal cavity. Common maxillary sinus diseases include acute or chronic sinusitis, which can result from dental infections, trauma, or nasal obstruction and cause symptoms like facial pain and nasal congestion. Radiographs and CT scans may reveal mucosal thickening or opacification in sinusitis. Treatment involves antibiotics,
Spread of oral infections
This document discusses the spread of oral infections. It begins by defining infection and explaining how the balance between host, organism, and environment determines whether disease occurs. It then describes various ways infections can originate and spread from dental sources, such as through root canals or periodontal tissues. Specific conditions that can result from spread are discussed like cellulitis, osteomyelitis, and ludwig's angina. The routes of spread via lymphatic, blood, or direct tissue routes are also covered. Finally, it examines the anatomy of various facial spaces and how infections may disseminate between these spaces.
Oroantral Communication and Fistula
This document discusses oroantral communications and fistulas. It defines them as abnormal connections between the oral and maxillary sinus cavities. Causes include tooth extraction, tumors, cysts, and trauma. Signs and symptoms may include unpleasant taste/odor, fluid/food reflux into the nose, and air leakage. Examination involves inspection, suctioning the socket, and radiographs. Management includes immediate closure attempts and antibiotics to prevent sinusitis. Surgical techniques like buccal and palatal flaps are used for larger defects or fistulas based on factors like location, size, and presence of infection.
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This document describes a case study of a 4-year-old girl who presented with a recurrent mucocele (fluid-filled cyst) on her lower lip that was caused by incorrect use of a pacifier. Examination revealed a 10x10mm fluid-filled nodule on the lower lip and a cross-bite related to improper pacifier use. The mucocele was surgically excised and histological examination confirmed it was a mucus retention cyst. Improper pacifier use can lead to oral pathologies like mucoceles by causing repeated trauma in one area of the mouth.
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mucocele
- 3. MUCOCELE
- 5. What is it? Oral mucocele is a clinical term that refers to two related phenomena: 1.Mucus extravasation phenomenon 2.Mucus retention cyst
- 6. The former is a swelling of connective tissue consisting of a collection of fluid called mucin. This occurs because of a ruptured salivary gland duct usually caused by local trauma (damage), in the case of mucus extravasation phenomenon, and an obstructed or ruptured salivary duct (parotid duct) in the case of a mucus retention cyst. The mucocele has a bluish translucent color, and is more commonly found in children and young adults.
- 7. Although the term cyst is often used to refer to these lesions, mucoceles are not strictly speaking true cysts because there is no epithelial lining.Rather, it would be more accurate to classify mucoceles as polyps
- 8. Signs and symptoms The size of oral mucoceles vary from 1 mm to several centimeters and they usually are slightly transparent with a blue tinge. On palpation, mucoceles may appear fluctuant but can also be firm. Their duration lasts from days to years, and may have recurrent swelling with occasional rupturing of its contents.
- 9. Locations The most common location to find a mucocele is the inner surface of the lower lip. It can also be found on the inner side of the cheek (known as the buccal mucosa), on the anterior ventral tongue, and the floor of the mouth. When found on the floor of the mouth, the mucocele is referred to as a ranula. They are rarely found on the upper lip. As their name suggests they are basically mucus lined cysts and they can also occur in the Paranasal sinuses most commonly the frontal sinuses, the frontoethmoidal region and also in the maxillary sinus.
- 10. Sphenoid sinus involvement is extremely rare. When the lumen of the vermiform appendix gets blocked due to any factor, again a mucocele can form. A ranula is an oral mucocele found on the frenulum on the tongue.
- 11. Variations A variant of a mucocele is found on the palate, retromolar pad , and posterior buccal mucosa. Known as a "superficial mucocele", this type presents as single or multiple vesicles and bursts into an ulcer. Despite healing after a few days, superficial mucoceles recur often in the same location. Other causes of bumps inside lips are, aphthous ulcer, Lipoma, benign tumors of salivary glands, submucous abscess and haemangiomas.
- 12. Diagnosis Microscopically, mucoceles appears as granulation tissue surrounding mucin. Since inflammation occurs concurrently, neutrophils and foamy histiocytes usually are present.
- 13. Treatment Some mucoceles spontaneously resolve on their own after a short time. Others are chronic and require surgical removal. Recurrence may occur, and thus the adjacent salivary gland is excised as a preventive measure.
- 14. Several types of procedures are available for the surgical removal of mucoceles. These include laser and minimally-invasive techniques which means recovery times are reduced drastically.
- 16. A non-surgical option that may be effective for a small or newly identified mucocele is to rinse the mouth thoroughly with salt water (one tablespoon of salt per cup) four to six times a day for a few days. This may draw out the fluid trapped underneath the skin without further damaging the surrounding tissue. If the mucocele persists, individuals should see a doctor to discuss further treatment.
- 17. Smaller cysts may be removed by laser treatment, larger cysts will have to be removed surgically in an operating room