Does a dental implant and crown need to have the same manufacturer when installed at the dentists office?

Nicotine tablet is better than smoking .but it is also not advisable because it reduce blood flow at healing site. best option is quit it 4 weeks before implant surgery.

My suggestion would be to get a second opinion and to have a dental CT scan done. This would show the exact position of the implant and you wou my suggestion would be to get a second opinion and to have a dental CT scan done. This would show the exact position of the implant would know if it is...

With braces treatment , it is possible to move wisdom tooth  into 2nd molar position. main factor matter for that is time. such conditions requires more time. and orthodontist will charge more for his extra efforts.  

Implants in general have a very low complication rate, success is over 90%.In your situation it is hard to tell what could have occurred during the surgery that resultedin an implant infection.  I would suggest having a second opinion by a surgeon or a general dentist with a higher degree...

No need to worry, today there r many options available to align implant crown by customized abutments. just tell yr dentist , he will give u new crown with proper alignment and shade.

Opg is not clearly visible, so upload high resolution file or , local/site xray. normally sinus lift is required in teeth extrected long back. or bone loss due to poor gum condition.