Frontal area Restorative dentistry III. 5 Lenka Roubalíkova lroubal@med. muni, cz 607122064 Remember Dentofacial harmony Imaginary lines - stuctures must have harmonious in relation to them Teeth are in harmony with the face, they can attract our attention and distract it from other structures 3 Profile: Rickets E-Plane Nasolabial Angle i Balance of lip, nose and chip. Nasolabial angle: 90° - 95 °men 100° - 106° women Rickets line: 4 mm before upper 2 mm before lower lip Dentofacial harmony Imaginary lines - stuctures must have harmonious relation to them Teeth are in harmony with the face, they can attract our attention and distract it form other structures 6 Line of smile Connects incisal edges of upper frontal teeth and touches cusps of upper molars. Lower border is lower lip. Line of lower lip is parallel to line of smile. Upper central incisors should be in touch with wett part of upper lip. Line of smile lroubalikova@gmail.c Harmony of the teeth and gingiva Rember! Check always red and white aesthetics! Remember! Interdosciplinary cooperation Periodontology Orthodontics Prosthetics Always take in account Patient's requierement Possibilities and limits of direct and indirect restorations Periodontal considerations Orthodontic considerations Prosthetic considerations Direct anterior restorations Reading of the colour: natural light Cervical area: dentin shade (enamel is thin, dentin core can be easily seen) By some authors - choice of dentin shade on canines (big dentine core) Enamel shade Around the defect, contralateral tooth, age Mammelons and opalescents Enamel shade Dentin shade Desatu ration (loosing of the hue saturation) Preparation Diamonds - standard, fine, finishing with a soft rubber Removal of aprismatic enamel -mostly yes, in rare cases is not necesssary (e.g. diastema closure) Adhesive procedures Acid etching preferable Large field of enamel! Good connection. Layering of composites Incremental technique no bulk fill composites! Flowables for good adaptation in some cases. Work with dentin, enamel and special cases Last layer covered with glycerine gel Finishing and polishing ■ Various concepts ■ Finishing Extrafine diamonds (yellow) Rubber rotary instruments (prepolishing) Flexible discs (for „opening" proximal surfaces - overcome between proximal and vestibular surface, optical width. Finishing and polishing Polishing with special brushes made of natural materiál in combination with diamond pastes - 3-5|jm first, 1pm after. Polishing with special rotary instrument made of felt / x phis W/.V)i>»- Third class From the vestibular side Layering of composite materials Cleaning of tooth Preparation of cavity Acid etching Matrix - transparent strip, wooden wedge, Layering Layering, polymerization Removal of matrix Finishing Prepolishing Polishing with the brush and diamond paste 3pm Polishing with the brush and diamond oaste lum Polishing with a rotary instrument (felt) Fourth class ■ Trauma Making the shape up ■ lroubalikova@gmail.com Making the shape Position of the palatal wall Placement of the transparent strip Layering of the composite material Making the shape ■ Position of the palatal wall Silicone key Creation the oral layer - palatally Location of incisal edge Finger method Correction of the shape cooperation with the orthodontists Complex approach Hygiene and cooperation Intermaxillary relations Occlusion - Articulation Soft tissues Gingival hyperplasia lroubalikova@gmail.com 96 Gingival hyperplasia Improvement of oral hagiene I Tooth brushing (Bass technique) Gingivoplasty Microdontia lroubalikova@gmail.com Closure of spaces Diastema closure Orthodontic approach I Restorative approach Combination Frenectomy can be also performed lroubalikova@gmail.com Periodontology - Frenectomy Gingivoplasty Gingivectomy - elongation of the clinical crown Ostectomy - elongation of clinical crown Epithelium attachement Connective xk tissue attachemlni lroubalikova@gmail.com Biological width 2-3 mm Elongation of clinical crown Elongation of clinical crown Reattachement GIUSEPPE MARCHETTI CLASS IV REATTACHMENT AND RESTORATION WITH ONE SHADE 230 Views - Apr 2017 Reattachement 1. Check the fragment 2. Prepare the shallow groove around the defect in the tooth as well ae in the fragment 3. Use adhesive procedure 4. Attach using flowable and composite filling material Case report - complex approach Case report- complex Case report - complex approach Final result Ceramic restorati enka.rouDaiikovacgJtiscaii.cz