Extra oral defects,

EXTRA ORAL DEFECTS,OCCULAR & ORBITAL

DEFECTSDR. FEBEL HUDA, M.D.S,DICOI,FICOI,FAD,DLD.

ORAL MAXILLOFACIAL PROSTHODONTIST AND IMPLANTOLOGIST

DIPLOMATE FROM THE INTERNATIONAL CONGRESS OF ORAL IMPLANTOLOGYFELLOW FROM THE INTERNATIONAL CONGRESS OF ORAL IMPLANTOLOGYDIPLOMATE IN LASER DENTISTRY (UNIVERSITY OF GENOVA - ITALY)FELLOW IN AESTHETIC DENTISTRY (UNIVERSITY OF GREIFSWALD - GERMANY)

INTRODUCTION

HISTORY

5th century BC

15th century

16th century

HISTORY

Taicher, 1985Benson - 1977

OCULAR DEFECTS

Maxillofacial rehabilitation prosthetic and surgical considerations ;John Beumer; 1996

CLASSIFICATIONACCORDING TO PEYMAN, SAUNDER &

GOLDBERG• ENUCLEATION

• EVISCERATION

• EXENTERATION

ENUCLEATION

EVISCERATION

EXENTERATION

IMPRESSION TECHNIQUES

• Direct impression/external impression, • Impression with a stock ocular tray or

modified stock ocular tray,• Impression with custom ocular tray, • Impression using a stock ocular prosthesis,• Ocular prosthesis modification,• The wax scleral blank technique.

Ponnanna.A.A; Impressions Techniques for Ocular Prosthesis- A Clinical Review; International Journal Of Dental Clinics 2009:1(1): 27-31.

Direct impression/external impression

Impression with a stock ocular tray

Modified stock ocular tray

MALONEY

Impression with custom ocular tray

• MILLER

Impression using a stock ocular prosthesis

Ocular prosthesis modification

CHALIAN

SCLERA

COMPLICATIONS PTOSIS

EXTENDED SHELF

ECTROPION

CONTRACTED SOCKET

SAGGING LOWER EYELID

OCULAR IMPLANTS

• BURIED,NONINTERGRATED IMPLANTS

• BURIED, SEMI- INTERGRATED IMPLANTS

• NONBURIED, INTERGRATED HYDROXYAPATITE SPHERE IMPLANTS

HISTORY OF IMPLANTS

• MULES INTRODUCED GLASS IMPLANTS IN 1884

• RUDERMANN – NON- BURRIED INTERGRATED IMPLANTS – WAS ABANDONDED BY 1950’S

BURIED,NONINTERGRATED IMPLANTS

More than 19 mm

BURIED, SEMI- INTERGRATED IMPLANTS

NONBURIED, INTERGRATED HYDROXYAPATITE SPHERE IMPLANTS

ORBITAL DEFECTS

IMPRESSION PROCEDURE

SCULPTING

GRAYS ANATOMY, 35 EDITION, PG 1130

PROCESSING

RETENTION

CRANIOFACIAL IMPLANTS

Russell D. Nishimura; Osseointegrated implants and orbital defects: U.C.L.A. experience; J Prosthet Dent 1998;79:304-9

ORBITAL IMPLANTS

IMPRESSION FOR ORBITAL IMPLANTS

CONCLUSION

REFERENCES• Maxillofacial rehabilitation prosthetic and surgical

considerations ;John Beumer; 1996• Sunil Kumar Mishra ;Reproduction of custom made eye

prosthesis maneuver: A case report; Journal of Dentistry and Oral Hygiene Vol. 1(5), pp. 59-63, December 2009.

• Allen L, Webster HE: Modified impression method of artificial eye fitting. Am J Ophthalmol 1969; 67: 189.

• Kirti Somkuwar;Ocular prosthesis: Patient rehabilitation - A Case Report; People’s Journal of Scientific ResearchVol.2(2), July 2009.

• Ponnanna.A.A; Impressions Techniques for Ocular Prosthesis- A Clinical Review; International Journal Of Dental Clinics 2009:1(1): 27-31.

REFERENCES• Trakol Mekayarajjananonth, DDS, MS; A mold-making procedure

for multiple orbital prostheses fabrication; J Prosthet Dent 2003;90:97-100.

• Mark S. Chambers, DMD, MS; Anterior key method for indexing orbital prostheses; J Prosthet Dent 2002;87:102-5.

• Sudarat Kiat-amnuay, DDS, MS; Technique for fabricating a lightweight, urethane-lined silicone orbital prosthesis; J Prosthet Dent 2001;85:210-3.

• Russell D. Nishimura; Osseointegrated implants and orbital defects: U.C.L.A. experience; J Prosthet Dent 1998;79:304-9.

• Maureen Sullivan, DDS; Hyperostosis in an orbital defect with craniofacial implants and open-field magnets: A clinical report; J Prosthet Dent 2007;97:196-9.

Extra oral defects,

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