Orthognathic Case Presentation
Nasolabial angle 670(1020±8) Upper lip protrusion 4mm(3±1) Lower lip protrusion 4mm(2±1) Mentolabial sulcus 5(.5) Vertical lip chin ratio .35(.5) Maxillary incisor exposure 0 mm(2±2) Interlabial gap 0 mm(2±2) N-ANS 58mm(50±2.4) ANS- Gn 83mm(61.3±3.3) Mp-Hp 560(24.2±5) PNS-N 35mm(50.6±2) Upper incisor-NF 55mm(24.2±5) Lower incisor-MP 72mm(40.8±1.8) Upper Ist molar-NF …
Read More »Components of Care
Histology
INTRODUCTION. DEVELOPMENT. HISTOLOGY. MAXILLARY SINUSITIS . ORO-ANTRAL FISTULA. CALDWELL — LUC OPERATION. FESS.CONCLUSION. Maxillary sinus reaches its normal adult size by the age of 18 -26 years. Hence the risk of creating oroantral fistula is less in children and young adults. Guven in 1998 indicated that oroantral fistula most …
Read More »Factors Affecting the Wound Healing
The rough handling of tissue or the use of inappropriately bulky instrumentation can lead to crushed skin edges and subsequent devitalization of tissue, leading to increase in inflammatory reaction and risk of secondary infection with increased scarring. Vitamin C Ascorbic acid is an essential cofactor for the synthesis of …
Read More »Comparison of Efficacy of Propofol and Midazolam
On arrival to the operating room blood pressure cuff, pulse-oxymeter and ECG monitor were connected to the patient. Sterile I.V. line was achieved with 20 gauge cannula. The base line data such as heart rate, blood pressure, oxygen saturation, respiratory rate were recorded when the patient lying quietly and breathing …
Read More »Fibro-osseous
CLASSIFICATION: By Waldren A. Developmental/Hereditary Cherubisim Gigantiform cementoma B. Reactive/Reapartive Traumatic Periosteotitis Garre’s Osteomyelitis Sclerosing osteomyelitis Central Giant cell Granuloma Osseus keloid Periapical Cemental Dysplasia Aneursymal bone cyst C. Neoplasm Osteoma Osteoid Osteoma Osteoblsatoma Ossifying fibroma Juvenile Ossifying fibroma D. Idopathic Fibrous Dysplasia Pagets disease Solitary bone cyst A. Fibrous …
Read More »Odontogenic Keratocyst
Osseointegration – Dental Implants
CONTENTS: INTRODUCTION. DEFINITION. HISTORICAL REVIEW. NORMAL BONE STRUCTURE AND PHYSIOLOGY. BIOLOGICAL PROCESS OF OSSEOINTEGRATION. BIOLOGICAL ATTACHMENT OF OSSEOINTEGRATION. THERIES OF OSSEOINTEGRATION. FACTORS INFLUENCING OSSEOINTEGRATION. REVIEW OF LITERATURE. FUTURE CONCEPTS OF OSSEOINTEGRATION. CONCLUSION. BIOCOMPATIBILITY BIOMECHANICS. IMPLANT DESIGN. SURFACE ROUGHNESS OF IMPLANT. SURFACE MODIFICATION OF IMPLANT. HEAT PRODUCTION DURING OSTEOTOMY. CONTAMINATION. PRIMARY …
Read More »Odontogenic Origin
Histopathology : Sections show superficial facial necrosis with blood vessels occluded by thrombi. Dense infiltration of neutrophils observed Sub cutaneous fat necrosis and vasculitis are also evident “Suggestive of necrotizing fascitis” CULTURE AND SENSITIVITY RESULTS: Microbiology: pus Type of swab Neck Culture Culture results A growth Streptococcal species Antibiotic sensitivity …
Read More »Malignant Melanoma of Lingual Gingiva with Ipsilateral Submandibular Lymph Node Metastasis
M. Pandey, E. K. Abraham, A. Mathew, I. M. Ahamed: Primary malignant melanoma of the upper aero-digestive tract. Int. J. Oral Maxillofac. Surg. 1999; 28: 45-49. N. Tanaka, M. Mimura, K. Ogi, T. Amagasa: Primary malignant melanoma of oral cavity: Assesment of outcome from the clinical records of 35 patients. …
Read More »Local Anesthesia
It should not be irritating to the tissues to which it is applied. It should not cause any permanent alteration in the nerve structure. Its systemic toxicity should be low. It must be effective regardless of whether it is injected to the tissues or applied locally to the mucous membranes. …
Read More »Maintenance of Condyle – Proximal Segment Position in Orthodontic Surgery
The existing relationship between the buccal tube and a point on the outer cortex of the proximal segment is established with 19 gauge stainless steel wire. One end of the wire is bent back on itself to form a “C”. This end is fully seated in the buccal tube and …
Read More »Cephalometric Analysis
Orbital Cellulitis
Maxillofacial Injuries Complications
Orbital floor Fractures
Clinical features Pain Edema Ecchymosis Proptosis Paraesthesia Emphysema Diplopia Management Diplopia & Enophthalmos Surgical & surgical only Create a new floor Bone Cartilage Metal: titanium
Read More »Zygomatic Complex Fractures
MAXILLOFACIAL INJURIES Zygomatic complex fractures Clinical Features ENOPHTHALMOS Inferior & posterior displacement Expansion of orbit EXOPHTHALMOS Medial dislocations MAXILLOFACIAL INJURIES Zygomatic complex fractures Clinical examination Palpation: Step / tenderness / mobility Supra-orbital rim F-Z suture Infra-orbital rim Paresthesia (lip, nose 14-11 + gingiva)
Read More »Zygomatic Complex Fractures
MAXILLOFACIAL INJURIES Zygomatic complex fractures Radiographic examination Occipito-mental view (PNS view, Waters position) Fronto-zygomatic suture Zygomatico-maxillary buttress Inferior orbital rim MAXILLOFACIAL INJURIES Zygomatic complex fractures Management Restoration of form & function Anatomic reduction Treatment: “Surgical intervention” Closed v/s Open Displacement & comminution Exposure of …
Read More »Fractures of the Midface 1
MIDFACE FRACTURES Le-Fort III Fracture ( High transverse/Suprazygomatic/Craniofacial disarticulation) Fronto-nasal suture Ethmoid cribriform plate Frontal process maxilla Medial wall orbit Optic foramen Inferior orbital fissure Pterygoid lamella Lateral wall of orbit Z-F suture MIDFACE FRACTURES Applied surgical anatomy Classification Clinical features Radiological features Management
Read More »Fractures of the Midface
MIDFACE FRACTURES Applied surgical anatomy Classification Clinical features Radiological features Management MIDFACE FRACTURES Applied surgical anatomy Classification Clinical features Radiological features Management
Read More »Maxillofacial Injuries Management
MAXILLOFACIAL INJURIES MANDIBULAR FRACTURES Classification: type of displacement (angle) Angle of mandible Extra oral:Gonion Intraoral: Junction of alveolar bone and ramus Fracture of angle mandible Greater fragment :teeth bearing segment Lesser fragment: ramus MAXILLOFACIAL INJURIES MANDIBULAR FRACTURES Condylar Fractures Clinical features Pain & Tenderness Painful limitation …
Read More »Maxillofacial Injuries Management
MAXILLOFACIAL INJURIES MANDIBULAR FRACTURES Classification: type of displacement Angle of mandible Extraoral:Gonion Intraoral: Junction of alveolar bone and ramus Fracture of angle mandible Greater fragment :teeth bearing segment Lesser fragment: ramus MAXILLOFACIAL INJURIES MANDIBULAR FRACTURES Management Edentulous mandibles Treatment Methods Open reduction & fixation Intraosseous wiring …
Read More »Recent Advances in Imaging Techniques
We are sick of the roentgen ray … you can see other people’s bones with the naked eye, and also see through eight inches of solid wood. On the revolting indecency of this there is no need to dwell. But what we seriously put before the attention of the Government… …
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