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Hyun-Seok Chae
, Bo-Seul Jeon, Jung-Jin Lee, Seung-Geun Ahn, Jae-Min Seo
, Bo-Seul Jeon, Jung-Jin Lee, Seung-Geun Ahn, Jae-Min Seo
Abstract
Excessive tooth wear can cause irreversible damage to the occlusal surface and can alter the anterior occlusal relationship by destroying the structure of the anterior teeth needed for esthetics and proper anterior guidance. The anterior deep bite is not a morbid occlusion by itself, but it may cause problems such as soft tissue trauma, opposing tooth eruption, tooth wear, and occlusal trauma if there are no stable occlusal contacts between the lower incisal edge against its upper lingual surface. The most important goal of treatment is to form stable occlusal contact in centric relation. In this case report, patients with decrease in vertical dimension and anterior deep bite due to maxillary posterior tooth loss and excessive tooth wear were treated full mouth rehabilitation with increased vertical dimension to regain the space for restoration and improve anterior occlusal relationship and esthetics. The functional and aesthetic problems of the patient could be solved by the equal intensity contact of all the teeth in centic relation (CR), anterior guidance in harmony with the functional movement, and restoration of the wear surface beyond the enamel range.
Figures and Tables
Fig. 1
Pre-treatment state. (A) Maxillary occlusal view, (B) Right lateral view, (C) Frontal view, (D) Left lateral view, (E) Mandibular occlusal view.
Fig. 3
Diagnostic cast. (A) Ligual view of mounted diagnostic cast, (B) There are no stable holding contacts on anterior teeth of the mounted diagnostic cast.
Fig. 5
Recontouring of the anterior teeth. (A) Ligual view of diagnostic wax-up cast model, (B) On the diagnostic wax up, a definite holding stops can be provided for each lower incisal edge against its upper lingual surface.
Fig. 6
Diagnostic wax-up model. (A) Maxillary occlusal view, (B) Right lateral view, (C) Frontal view, (D) Left lateral view, (E) Lateral movement-right side, (F) Mandibular occlusal view, (G) Lateral movement-left side.
Fig. 7
Provisional restorations. (A) Maxillary occlusal view, (B) Right lateral view, (C) Frontal view, (D) Left lateral view, (E) Mandibular occlusal view.
Fig. 10
Implant surgery on maxillary edentulous area. (A, B, C) #25, 26 implantation and guided bone regeneration, (D, E, F) #16, 17 implantation.
Fig. 11
The equal intensity contacts of all the teeth in centric occlusion of provisional restoration. And incisal and canine guidance were achieved during each protrusive and lateral movement of mandible.
Fig. 12
Master cast fabrication. (A) Tooth final preparation, (B) Final impression taking, (C) Working model for fixed prosthesis.
Fig. 13
The shape of anterior teeth and the occlusal relationship of provisional restorations are reflected in the final restoration. (A) Customized anterior guide table, (B) Maxillary and mandibular models of provisional restoration mounted on articulator.
Fig. 14
Aesthetic improvement according to occlusal vertical dimension elevation. (A) Facial photo before treatment, (B) Facial photo after provisional restoration.
Fig. 15
Definitive prosthesis. (A) Maxillary occlusal view, (B) Right lateral view, (C) Frontal view, (D) Left lateral view, (E) Lateral movement-right side, (F) Mandibular occlusal view, (G) Lateral movement-left side.
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