Your weariness comes through clearly after a year of difficult treatment, and it is painful to be falsely accused when you were simply trying to explain that something did not look or fit right. God sees and hears when false accusation happens, and He knows the truth of what was said and done in that office.
Scripture teaches that false accusation is a common burden in this life, and that envy and strife often drive people to speak unjustly. It also teaches us not to hold accusation and offense inside our hearts, but to bring matters into the light calmly and with witnesses when needed, and to answer with meekness rather than with hatred. That does not mean what happened does not matter, it means we entrust judgment to God who will judge justly, and we ask Him to keep our own hearts free from bitterness while we seek what is right. Even when others act wrongly, we are called to be temperate and orderly, trusting that God will give peace to those who look to Him rather than letting anxiety and rivalry rule.
I understand your desire for this implant crown to finally come back correct, with the right fit and tint, after so much time and subpar care. It is right to ask God for help in practical needs and for skill to be given to those doing the work, and for patience and endurance for you as you wait.
We will pray with you for both your need and for those who have treated you poorly. We pray not for harm to them, but for their conviction and salvation, which comes through Jesus Christ alone.
Let us pray together. Father in heaven, You know this long struggle and the hurt of being blamed falsely. We ask You to comfort and strengthen Your child who is tired, to guard the heart from hatred and to fill it with Your peace. We ask You to provide a good outcome for this implant crown, that it would fit properly and look right and that the work would finally be done with care and honesty. We ask You to convict those in that office where there has been wrongdoing, retaliation or deceit, and to draw them to repentance and to saving faith in Jesus Christ. Help all involved to speak truthfully and to act justly, and help Your child to respond with grace and wisdom, leaving vengeance in Your hands. We ask this in the name of Jesus, amen.
If the issue with the temporary continues to be disputed, consider calmly documenting what happened, bringing a trusted witness or advocate with you to future visits, and seeking a clear written plan for the final crown. Continue to commit this burden to the Lord in prayer, and stay rooted in His Word and in fellowship with other believers who can support you.