Hence, non-surgical endodontic treatment for both crowns followed by esthetic correction of clinical crowns
Width/length ratios of normal clinical crowns
of the maxillary anterior dentition in man.
Altered passive eruption: an etiology of short clinical crowns
. Quintessence Int.
While the anatomical crown is the portion of the natural tooth that extends from the cemento-enamel junction (CEJ) to the occlusal/incisal edge, the clinical crown
is the portion of the crown that extends from the free gingival margin to the occlusal/incisal edge.
Variations of the gingival margin after a clinical crown
lengthening: a 6-month report
Forced eruption combined with gingival fiberotomy.A technique for clinical crown
Figure 6(a) enables us to observe that through this technology, the gingival margin is delimitated in order to make the abutment emerge throughout the soft tissue as similar as a natural clinical crown
The most common findings comprise extensive loss of tooth tissue, tooth sensitivity, excessive attrition leading to a short clinical crown
, spacing in the anterior region of the dentition, normal or light proximal contacts in the posterior region, and a general enamel caries resistance.
Several techniques have been proposed for clinical crown
lengthening such as gingivectomy, apically-positioned flap with or without resective osseous surgery and orthodontic forced eruption with or without fibrotomy.
It is not uncommon for a patient to report having lost a permanent crown, having lost a provisional crown, or having a fractured or decayed clinical crown
In addition, this implant positioning would necessarily require a very long clinical crown
, disproportionate to adjacent teeth and visible during the patient's smile.
Poor crown-to-root ratio can result from improper dental treatment as well as from traumatic or pathologic changes that increase the length of the clinical crown
. However, the most common cause of poor (increased) crown-to-root ratio is periodontitis.