Anesthesia of a nerve trunk that covers a large area of the jaw. A mandibular block injection produces numbness of the lower jaw, teeth and half the tongue.

Chemical or laser treatment of natural teeth for whitening effect.

Elongated papillae on the tongue, promoting the growth of microorganisms.

Caries (decay) detection devices used during X-rays.

Relationship of the upper and lower teeth on closure (occlusion).

Removal of a small piece of tissue for microscopic examination.

Juncture of two (three) roots in posterior teeth.

Transitional teeth behind the cuspids.

Cement placed under a dental restoration to insulate the pulp (nerve chamber).

Loss of structure due to natural wear.