Maxillary sinus /certified fixed orthodontic courses by Indian dental academy

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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.

Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078

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  • 1. Maxillary Sinus Diseases INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  • 2. Diseases of the maxillary sinus - Sinusitis - Oro antral fistula - Root displacement - Cysts involving sinus - Tumours www.indiandentalacademy.com
  • 3. Maxillary sinus diseases Surgical anatomy - Located in the body of the maxilla - Very small at Birth - Reaches maximum size in early adult life - Pyramidal in shape with base at naso antral wall - Lined by ciliated epithelium www.indiandentalacademy.com
  • 4. Maxillary sinus diseases Surgical anatomy Nerve supply – Maxillary branch of Vth nerve through postero superior alveolar Blood supply- Infra orbital artery branch of maxillary artery Lymphatic drainage- into submandibular Functions : Resonance, Warming the inspired air, reduces the weight of the skull www.indiandentalacademy.com
  • 5. Maxillary sinus diseases Applied anatomy Relationship with Oral cavity Nasal cavity Orbital cavity Infra temporal fossa www.indiandentalacademy.com
  • 6. Maxillary sinus diseases Acute: Inflammation of the mucous membrane of the maxillary sinus - Infection either nasal or dental - Severe pain, radiating to the eye, cheek and frontal region - Teeth become tender -Nasal discharge- later becomes mucopupulent - Irritation of the nasopharynx -General symptoms: chills, sweat, elevation of temparature, dizziness, nausea, difficulty in breathing www.indiandentalacademy.com
  • 7. Maxillary sinus diseases Surgical approaches Through the tooth socket Caldwell – Luc approach Denker’s www.indiandentalacademy.com
  • 8. Maxillary sinus diseases Caldwell – Luc advantages # Easy access # Thin bone # No vital structures www.indiandentalacademy.com
  • 9. Maxillary sinus diseases Caldwell- Luc:- surgical procedure Anaesthesia Incision Bony window Removal of lining, root, cyst etc Haemostasis Closure Post operative care www.indiandentalacademy.com
  • 10. Maxillary sinus diseases Oro Antral Fistula :- Causes -Extraction of maxillary posterior teeth - Root displaced in to sinus - Chronic osteomyelitis - Malignancy - Trauma www.indiandentalacademy.com
  • 11. Maxillary sinus diseases Oro Antral Fistula :- Clinical features Acute : Unilateral epistaxis Escape of fluids through nose Air escapes through opening While blowing. www.indiandentalacademy.com
  • 12. Maxillary sinus diseases Oro Antral Fistula :- Clinical features Chronic: Sinusitis Change in voice Nasty smell & taste Mucosal polyps protrude out of opening. www.indiandentalacademy.com
  • 13. Maxillary sinus diseases Oro Antral Fistula:- Management Buccal advancement Palatal rotation Palatal island flap Buccal pad of fat Palatal flap anterior based Tongue flap www.indiandentalacademy.com
  • 14. Maxillary sinus diseases Oroantral fistula closure Buccal flap - Anaesthesia- local - Excision of the fistulous tract - Incision- Divergent incisions are made from extreme edges and carried upward into mucobuccal fold - Muco periosteal flap is raised Scoring of the periosteum to lengtheng the flap Mattress sutures www.indiandentalacademy.com are placed
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  • 16. Maxillary sinus diseases Oroantral fistula closure Palatal flap - Anaesthesia- local - Excision of the margins of the opening - Incision - A palatal mucoperiosteal flap is raised with greater palatine artery - The flap is turned to close the defect A V shaped notch is made where flap turns maximum - Mattress sutures are placed - The exposed raw area is covered with a gauge strip till the epithelialisation takes place www.indiandentalacademy.com
  • 17. www.indiandentalacademy.com
  • 18. Thank you For more details please visit www.indiandentalacademy.com www.indiandentalacademy.com