1. How strong should the tooth cap (artificial dental crown) be for my tooth, and which of the caps fit in that category?
2. Which would be the best/ acceptable cap for my tooth cosmetically?
3. What will be the charges for the different types of tooth caps (artificial dental crowns)?
4. How long are the caps/ crowns expected to last and are there any warranties with them?
5. How will the tooth cap (artificial dental crown) be made - using computer technology/ manually?
6. What brand/ company material will be used to fabricate my tooth cap (artificial dental crown)?
7. Which, in the dentist's clinical experience, is the best option in your case?
You can read more about the different types of dental cappings
here
. In general, most tooth caps (dental crowns) are sufficiently strong for average biting, zirconia and laser sintered metal crowns being the strongest. There are some concerns however with the hard zirconia crowns grinding away the opposing teeth over a period of time.
Ceramic crowns are the most cosmetic followed by metal - ceramic crowns, but they are also heavier on your pocket. Crowns made with CAD-CAM technology (Computer Aided Designing - Computer Aided Milling/ Machining) are superior to manually made crowns in the precision of fit as well as strength and longevity.
Good, internationally renowned brands/ companies like 3M, Ivoclar Vivadent, Dentsply and Nobel Procera warrant their products for a period of 5 - 15 years, but it is a limited warranty and you must discuss with your dentist what all is covered and not covered in the warranty.
Ultimately, it is your preferences in terms of cost and cosmetics, along with the clinical judgement of the dentist that determine the best option for your tooth capping (artificial dental crown).