TOPIC: Introduction, Diagnosis and Treatment Planning

🎯 KEY POINTS:

🔹Dahl of Germany introduced the mucosal inserts or button implants for maxilla in 1940.

🔹Dahl also conceived the concept of the subperiosteal implants.

🔹Goldberg and Gershkoff made subperiosteal implant with vitallium in 1948.

🔹Sollier, Chercheve and Small introduced the transosteal implant in 1953.

🔹L.I. Linkow in 1966 introduced the endosseous blade vent implant.

🔹First extraoral implant was placed for the auricular prosthesis by P.I. Branemark in 1977.

🔹Implants can be placed minimum 6 months after the radiotherapy.

🔹Radiation dose of OPG is less than the full mouth periapical radiographs.

🔹Lateral skull radiograph is used to study ridge profile of both upper and lower jaws in the midline.

🔹In CT scans, the metal markers should be avoided as these produce scattering of the image.

🔹Scan Ora is a new generation sophisticated tomograph which is used to generate high-quality sectional image.

🔹Narrow diameter implants less than 3.5 mm should be avoided in the posterior region or number of implants should be increased.