DENTOGINGIVAL UNITBy- Dr Rohit Rai Content • Junctional epithelium • Gingival fiber • Clinical importance of dentogingival unit. Shift of the dento gingival junction The dentogingival junction is an anatomical and functional interface between the gingiva and the tooth. PDF | This study define altered passive eruption (APE) and evaluate the morphology of the dentogingival unit. individuals subjected to.

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Published online May 1. Periodontal surgery to position canine teeth in vestibular dystrophy. Journal of Conservative Dentistry. From the current perspective, the active phase of eruption is defined by emerging motion of the tooth in the occlusal direction until the tooth reaches the occlusal plane of its xentogingival.

Paralleling device in position Click here to view. How to cite this URL: Upper lip height was measured as the distance from the dentogimgival of the nose to the lower margin of the lip, with an evaluation of the amount of gingival tissue exposed over the four upper incisors on smiling.

7. Esthetic Management of the Dentogingival Unit

Two types of unlt were carried out in second sextant: Walter Reed Army Medical Center; The dimensions of human dentogingival junction. The ‘Biologic width’ a concept in periodntics and restorative dentistry. Tooth 21 with APE was seen to expose significantly more gingival tissue on smiling mean 2.

However, these results may also be interpreted taking both hypotheses into account, i. Open in a separate window.

Fig Subgingival root fracture. Rufenacht The preservation of a healthy periodontal attachment is a prerequisite for successful restorative procedures. We conclude that the dimensions of the DGU in humans can be measured with the PPRx technique, and this technique offers a simple, concise, noninvasive, inexpensive, and reproducible method that can be used in the clinical setup to measure both the length and thickness of the DGU with accuracy.


Int J Periodontics Restorative Dent ; The literature lacks references for calibrating the magnitude of gingival overlap characterizing APE. J Clin Periodontol ; Therefore, in our series of teeth, attrition was scantly relevant to crown length. The development of the periodontium-a largely ectomesenchymally derived unit.

Accordingly, a disproportionate dimension of these tissues with respect to tooth size or eruption capacity would complicate both passage of the tooth during the active eruption phase and tissue withdrawal during the passive phase of eruption. We are unable to find a good explanation why overbite was very significantly related to the presence of APE. Clinical diagnostic criteria of altered passive eruption APE.

Morphology and dimensions of the dentogingival unit in the altered passive eruption

Biologic width measured with vernier caliper Click here to view. Esthetic Management of the Dentogingival Unit.

An innovative radiographic technique for the determination of dimensions of dentogingival unit in North Indian population. Different physiological situations do not exhibit this morphological disposition, however, and the gingival margin tends to occupy a much more incisal position — thus giving rise to short clinical crowns.

The mucogingival line was located by means of the Coppes technique pushes of the mucosa dentotingival, while the gingival width was determined using a graded periodontal probe, measuring from the mucogingival line to the gingival margin dentogingkval the medial zone and expressing the results in millimeters. At the dentogingival junction DGUthe presence of APE is associated to a thick bone crest and connective tissue attachment, with a long biological space.

7. Esthetic Management of the Dentogingival Unit | Pocket Dentistry

In this way APE of tooth 21 is defined according to percentage overlap. The APE dentoingival characterized by: Lead foil cut appropriately Click here to view.

Dentogingival unit, gingival thickness, transgingival probing, radiographs. Our own results support this idea. Transgingival probing with rubber stop Click here to view. Gutta-percha cut appropriately Click here to view. Table 2 Parallel Profile Radology data.

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It has been demonstrated that margin placement, fit of restoration, restorative material, emergence profile, and tooth contour are factors that may contribute to the disturbance of this state of health. However, even if this pathogenic hypothesis of APE were accepted, the literature fails to clarify dentoingival circumstances causing arrested dentgingival eruption and conditioning DGU morphology.

Pathogenesis of Periodontal Disease and its Treatment.

Definition of APE A first analysis was made of the correlation between the clinical diagnosis of tooth teeth 21 i.

Assessment of sulcus depth Click here to view. To the effects of the present study we decided to determine a percentage cutoff regarding the variable overlap capable of discriminating between APE and non-APE tooth status with the least error possible. University of Amsterdam; Statistically significant differences were observed between the teeth with and without APE: In humans this distance is 2.

The alveolar crest is situated at the level of the cementoenamel junction and the mucogingival junction apical to dentogingivao alveolar crest. The position of cementoenamel junction relative to the alveolar crest does not allow the normal insertion of the connective tissue attachment. Many adults exhibit short anatomic crowns with gingival tissue located occlusally or incisally.

Morphology and dimensions of the dentogingival unit in the altered passive eruption

An excessive amount of gingiva covering in the occlusal direction of the anatomic crown can be noted. In this study, two radiographs were made in fifty periodontally healthy volunteers, one in frontal projection, while the second radiograph was a PPRx obtained from a lateral position. It should be impressed and visualized whenever clinical practice reaches the gingival level.