History and examination of patient, mouth and individual tooth.
The dentist will determine whether is necessary to place a crown on that particular tooth and you should understand what kind of treatment you will receive in the future. Patient should agree with the charged fees and should clear any doubts regarding the treatment with the dentist. Crowns are usually placed on teeth which have good prognosis and patients who have excellent oral hygiene.
An impression of your mouth is taken and after it being casted, we can observe the arrangement of your teeth, condition of the individual tooth. Having impressions taken might be an unbearable process but it is a necessary procedure so that the de
ntist can plan the crowning procedure beforehand. Photographs are usually taken to record the previous appearance of the tooth.
Sometimes your dentist will show you how your tooth will be look like with the crown. This is called diagnostic wax up, in which wax will be added and carved into desired shape/contour on the study model we have taken earlier.Shade taking is a very important procedure as it is best to have our crowns resemble the natural appearance of your teeth. Normallyshade taking is taken before any tooth preparations as eyes can be strained at the end of the day and it is taken under broad day light or artificial light. Various shade guides and devices is available to enable the dentist to find the best shade for you.
Tooth structure reduction is necessary to accommodate the crown. However different amount of reduction is required for different types of crown. After your dentist is satisfied with his/her work,a master impression will be taken so that the technician can get an idea to construct the crown.
There are various types of temporary crowns such as chair side,laboratory,preformed temporary crowns.It is up to dentist to decide which kind of temporary crown to use. Temporary crowns are meant to last for a short period until the actual crown is constructed. Temporary crown is placed to protect the prepared dentine, to maintain your appearance, to maintain occlusion, and etc.After that, your dentist will normally ask you to bite into a piece of wax or a material which is delivered using a automix gun.
After tooth preparation, a final impression is taken to record the prepared tooth surface so that the technician will be able to construct a well fitting crown.
Your dentist will advise you how to clean and maintain the crown. Good oral hygiene is required if you want your crown to last longer.
If your dentist calls you back for a review, he will normally reassess the crown , whether is well fitting or in good condition. Normally crowns last around 10-15 years and it also depends on how well you take care to prolong its life span.